| /* |
| * Copyright 2013 Advanced Micro Devices, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| */ |
| |
| #include <linux/firmware.h> |
| #include <linux/pci.h> |
| #include <linux/seq_file.h> |
| |
| #include "atom.h" |
| #include "ci_dpm.h" |
| #include "cik.h" |
| #include "cikd.h" |
| #include "r600_dpm.h" |
| #include "radeon.h" |
| #include "radeon_asic.h" |
| #include "radeon_ucode.h" |
| #include "si_dpm.h" |
| |
| #define MC_CG_ARB_FREQ_F0 0x0a |
| #define MC_CG_ARB_FREQ_F1 0x0b |
| #define MC_CG_ARB_FREQ_F2 0x0c |
| #define MC_CG_ARB_FREQ_F3 0x0d |
| |
| #define SMC_RAM_END 0x40000 |
| |
| #define VOLTAGE_SCALE 4 |
| #define VOLTAGE_VID_OFFSET_SCALE1 625 |
| #define VOLTAGE_VID_OFFSET_SCALE2 100 |
| |
| static const struct ci_pt_defaults defaults_hawaii_xt = |
| { |
| 1, 0xF, 0xFD, 0x19, 5, 0x14, 0, 0xB0000, |
| { 0x2E, 0x00, 0x00, 0x88, 0x00, 0x00, 0x72, 0x60, 0x51, 0xA7, 0x79, 0x6B, 0x90, 0xBD, 0x79 }, |
| { 0x217, 0x217, 0x217, 0x242, 0x242, 0x242, 0x269, 0x269, 0x269, 0x2A1, 0x2A1, 0x2A1, 0x2C9, 0x2C9, 0x2C9 } |
| }; |
| |
| static const struct ci_pt_defaults defaults_hawaii_pro = |
| { |
| 1, 0xF, 0xFD, 0x19, 5, 0x14, 0, 0x65062, |
| { 0x2E, 0x00, 0x00, 0x88, 0x00, 0x00, 0x72, 0x60, 0x51, 0xA7, 0x79, 0x6B, 0x90, 0xBD, 0x79 }, |
| { 0x217, 0x217, 0x217, 0x242, 0x242, 0x242, 0x269, 0x269, 0x269, 0x2A1, 0x2A1, 0x2A1, 0x2C9, 0x2C9, 0x2C9 } |
| }; |
| |
| static const struct ci_pt_defaults defaults_bonaire_xt = |
| { |
| 1, 0xF, 0xFD, 0x19, 5, 45, 0, 0xB0000, |
| { 0x79, 0x253, 0x25D, 0xAE, 0x72, 0x80, 0x83, 0x86, 0x6F, 0xC8, 0xC9, 0xC9, 0x2F, 0x4D, 0x61 }, |
| { 0x17C, 0x172, 0x180, 0x1BC, 0x1B3, 0x1BD, 0x206, 0x200, 0x203, 0x25D, 0x25A, 0x255, 0x2C3, 0x2C5, 0x2B4 } |
| }; |
| |
| static const struct ci_pt_defaults defaults_saturn_xt = |
| { |
| 1, 0xF, 0xFD, 0x19, 5, 55, 0, 0x70000, |
| { 0x8C, 0x247, 0x249, 0xA6, 0x80, 0x81, 0x8B, 0x89, 0x86, 0xC9, 0xCA, 0xC9, 0x4D, 0x4D, 0x4D }, |
| { 0x187, 0x187, 0x187, 0x1C7, 0x1C7, 0x1C7, 0x210, 0x210, 0x210, 0x266, 0x266, 0x266, 0x2C9, 0x2C9, 0x2C9 } |
| }; |
| |
| static const struct ci_pt_config_reg didt_config_ci[] = |
| { |
| { 0x10, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x10, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x10, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x10, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x11, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x11, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x11, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x11, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x12, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x12, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x12, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x12, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x2, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x2, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x2, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x1, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x1, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x0, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x30, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x30, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x30, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x30, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x31, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x31, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x31, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x31, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x32, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x32, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x32, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x32, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x22, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x22, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x22, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x21, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x21, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x20, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x50, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x50, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x50, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x50, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x51, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x51, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x51, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x51, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x52, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x52, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x52, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x52, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x42, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x42, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x42, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x41, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x41, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x40, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x70, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x70, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x70, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x70, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x71, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x71, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x71, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x71, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x72, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x72, 0x0000ff00, 8, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x72, 0x00ff0000, 16, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x72, 0xff000000, 24, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x62, 0x00003fff, 0, 0x4, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x62, 0x03ff0000, 16, 0x80, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x62, 0x78000000, 27, 0x3, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x61, 0x0000ffff, 0, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x61, 0xffff0000, 16, 0x3FFF, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0x60, 0x00000001, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND }, |
| { 0xFFFFFFFF } |
| }; |
| |
| extern u8 rv770_get_memory_module_index(struct radeon_device *rdev); |
| extern int ni_copy_and_switch_arb_sets(struct radeon_device *rdev, |
| u32 arb_freq_src, u32 arb_freq_dest); |
| static int ci_get_std_voltage_value_sidd(struct radeon_device *rdev, |
| struct atom_voltage_table_entry *voltage_table, |
| u16 *std_voltage_hi_sidd, u16 *std_voltage_lo_sidd); |
| static int ci_set_power_limit(struct radeon_device *rdev, u32 n); |
| static int ci_set_overdrive_target_tdp(struct radeon_device *rdev, |
| u32 target_tdp); |
| static int ci_update_uvd_dpm(struct radeon_device *rdev, bool gate); |
| |
| static PPSMC_Result ci_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg); |
| static PPSMC_Result ci_send_msg_to_smc_with_parameter(struct radeon_device *rdev, |
| PPSMC_Msg msg, u32 parameter); |
| |
| static void ci_thermal_start_smc_fan_control(struct radeon_device *rdev); |
| static void ci_fan_ctrl_set_default_mode(struct radeon_device *rdev); |
| |
| static struct ci_power_info *ci_get_pi(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = rdev->pm.dpm.priv; |
| |
| return pi; |
| } |
| |
| static struct ci_ps *ci_get_ps(struct radeon_ps *rps) |
| { |
| struct ci_ps *ps = rps->ps_priv; |
| |
| return ps; |
| } |
| |
| static void ci_initialize_powertune_defaults(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| switch (rdev->pdev->device) { |
| case 0x6649: |
| case 0x6650: |
| case 0x6651: |
| case 0x6658: |
| case 0x665C: |
| case 0x665D: |
| default: |
| pi->powertune_defaults = &defaults_bonaire_xt; |
| break; |
| case 0x6640: |
| case 0x6641: |
| case 0x6646: |
| case 0x6647: |
| pi->powertune_defaults = &defaults_saturn_xt; |
| break; |
| case 0x67B8: |
| case 0x67B0: |
| pi->powertune_defaults = &defaults_hawaii_xt; |
| break; |
| case 0x67BA: |
| case 0x67B1: |
| pi->powertune_defaults = &defaults_hawaii_pro; |
| break; |
| case 0x67A0: |
| case 0x67A1: |
| case 0x67A2: |
| case 0x67A8: |
| case 0x67A9: |
| case 0x67AA: |
| case 0x67B9: |
| case 0x67BE: |
| pi->powertune_defaults = &defaults_bonaire_xt; |
| break; |
| } |
| |
| pi->dte_tj_offset = 0; |
| |
| pi->caps_power_containment = true; |
| pi->caps_cac = false; |
| pi->caps_sq_ramping = false; |
| pi->caps_db_ramping = false; |
| pi->caps_td_ramping = false; |
| pi->caps_tcp_ramping = false; |
| |
| if (pi->caps_power_containment) { |
| pi->caps_cac = true; |
| if (rdev->family == CHIP_HAWAII) |
| pi->enable_bapm_feature = false; |
| else |
| pi->enable_bapm_feature = true; |
| pi->enable_tdc_limit_feature = true; |
| pi->enable_pkg_pwr_tracking_feature = true; |
| } |
| } |
| |
| static u8 ci_convert_to_vid(u16 vddc) |
| { |
| return (6200 - (vddc * VOLTAGE_SCALE)) / 25; |
| } |
| |
| static int ci_populate_bapm_vddc_vid_sidd(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u8 *hi_vid = pi->smc_powertune_table.BapmVddCVidHiSidd; |
| u8 *lo_vid = pi->smc_powertune_table.BapmVddCVidLoSidd; |
| u8 *hi2_vid = pi->smc_powertune_table.BapmVddCVidHiSidd2; |
| u32 i; |
| |
| if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries == NULL) |
| return -EINVAL; |
| if (rdev->pm.dpm.dyn_state.cac_leakage_table.count > 8) |
| return -EINVAL; |
| if (rdev->pm.dpm.dyn_state.cac_leakage_table.count != |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count) |
| return -EINVAL; |
| |
| for (i = 0; i < rdev->pm.dpm.dyn_state.cac_leakage_table.count; i++) { |
| if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) { |
| lo_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1); |
| hi_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2); |
| hi2_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3); |
| } else { |
| lo_vid[i] = ci_convert_to_vid(rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc); |
| hi_vid[i] = ci_convert_to_vid((u16)rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage); |
| } |
| } |
| return 0; |
| } |
| |
| static int ci_populate_vddc_vid(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u8 *vid = pi->smc_powertune_table.VddCVid; |
| u32 i; |
| |
| if (pi->vddc_voltage_table.count > 8) |
| return -EINVAL; |
| |
| for (i = 0; i < pi->vddc_voltage_table.count; i++) |
| vid[i] = ci_convert_to_vid(pi->vddc_voltage_table.entries[i].value); |
| |
| return 0; |
| } |
| |
| static int ci_populate_svi_load_line(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults; |
| |
| pi->smc_powertune_table.SviLoadLineEn = pt_defaults->svi_load_line_en; |
| pi->smc_powertune_table.SviLoadLineVddC = pt_defaults->svi_load_line_vddc; |
| pi->smc_powertune_table.SviLoadLineTrimVddC = 3; |
| pi->smc_powertune_table.SviLoadLineOffsetVddC = 0; |
| |
| return 0; |
| } |
| |
| static int ci_populate_tdc_limit(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults; |
| u16 tdc_limit; |
| |
| tdc_limit = rdev->pm.dpm.dyn_state.cac_tdp_table->tdc * 256; |
| pi->smc_powertune_table.TDC_VDDC_PkgLimit = cpu_to_be16(tdc_limit); |
| pi->smc_powertune_table.TDC_VDDC_ThrottleReleaseLimitPerc = |
| pt_defaults->tdc_vddc_throttle_release_limit_perc; |
| pi->smc_powertune_table.TDC_MAWt = pt_defaults->tdc_mawt; |
| |
| return 0; |
| } |
| |
| static int ci_populate_dw8(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults; |
| int ret; |
| |
| ret = ci_read_smc_sram_dword(rdev, |
| SMU7_FIRMWARE_HEADER_LOCATION + |
| offsetof(SMU7_Firmware_Header, PmFuseTable) + |
| offsetof(SMU7_Discrete_PmFuses, TdcWaterfallCtl), |
| (u32 *)&pi->smc_powertune_table.TdcWaterfallCtl, |
| pi->sram_end); |
| if (ret) |
| return -EINVAL; |
| else |
| pi->smc_powertune_table.TdcWaterfallCtl = pt_defaults->tdc_waterfall_ctl; |
| |
| return 0; |
| } |
| |
| static int ci_populate_fuzzy_fan(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if ((rdev->pm.dpm.fan.fan_output_sensitivity & (1 << 15)) || |
| (rdev->pm.dpm.fan.fan_output_sensitivity == 0)) |
| rdev->pm.dpm.fan.fan_output_sensitivity = |
| rdev->pm.dpm.fan.default_fan_output_sensitivity; |
| |
| pi->smc_powertune_table.FuzzyFan_PwmSetDelta = |
| cpu_to_be16(rdev->pm.dpm.fan.fan_output_sensitivity); |
| |
| return 0; |
| } |
| |
| static int ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u8 *hi_vid = pi->smc_powertune_table.BapmVddCVidHiSidd; |
| u8 *lo_vid = pi->smc_powertune_table.BapmVddCVidLoSidd; |
| int i, min, max; |
| |
| min = max = hi_vid[0]; |
| for (i = 0; i < 8; i++) { |
| if (0 != hi_vid[i]) { |
| if (min > hi_vid[i]) |
| min = hi_vid[i]; |
| if (max < hi_vid[i]) |
| max = hi_vid[i]; |
| } |
| |
| if (0 != lo_vid[i]) { |
| if (min > lo_vid[i]) |
| min = lo_vid[i]; |
| if (max < lo_vid[i]) |
| max = lo_vid[i]; |
| } |
| } |
| |
| if ((min == 0) || (max == 0)) |
| return -EINVAL; |
| pi->smc_powertune_table.GnbLPMLMaxVid = (u8)max; |
| pi->smc_powertune_table.GnbLPMLMinVid = (u8)min; |
| |
| return 0; |
| } |
| |
| static int ci_populate_bapm_vddc_base_leakage_sidd(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u16 hi_sidd = pi->smc_powertune_table.BapmVddCBaseLeakageHiSidd; |
| u16 lo_sidd = pi->smc_powertune_table.BapmVddCBaseLeakageLoSidd; |
| struct radeon_cac_tdp_table *cac_tdp_table = |
| rdev->pm.dpm.dyn_state.cac_tdp_table; |
| |
| hi_sidd = cac_tdp_table->high_cac_leakage / 100 * 256; |
| lo_sidd = cac_tdp_table->low_cac_leakage / 100 * 256; |
| |
| pi->smc_powertune_table.BapmVddCBaseLeakageHiSidd = cpu_to_be16(hi_sidd); |
| pi->smc_powertune_table.BapmVddCBaseLeakageLoSidd = cpu_to_be16(lo_sidd); |
| |
| return 0; |
| } |
| |
| static int ci_populate_bapm_parameters_in_dpm_table(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| const struct ci_pt_defaults *pt_defaults = pi->powertune_defaults; |
| SMU7_Discrete_DpmTable *dpm_table = &pi->smc_state_table; |
| struct radeon_cac_tdp_table *cac_tdp_table = |
| rdev->pm.dpm.dyn_state.cac_tdp_table; |
| struct radeon_ppm_table *ppm = rdev->pm.dpm.dyn_state.ppm_table; |
| int i, j, k; |
| const u16 *def1; |
| const u16 *def2; |
| |
| dpm_table->DefaultTdp = cac_tdp_table->tdp * 256; |
| dpm_table->TargetTdp = cac_tdp_table->configurable_tdp * 256; |
| |
| dpm_table->DTETjOffset = (u8)pi->dte_tj_offset; |
| dpm_table->GpuTjMax = |
| (u8)(pi->thermal_temp_setting.temperature_high / 1000); |
| dpm_table->GpuTjHyst = 8; |
| |
| dpm_table->DTEAmbientTempBase = pt_defaults->dte_ambient_temp_base; |
| |
| if (ppm) { |
| dpm_table->PPM_PkgPwrLimit = cpu_to_be16((u16)ppm->dgpu_tdp * 256 / 1000); |
| dpm_table->PPM_TemperatureLimit = cpu_to_be16((u16)ppm->tj_max * 256); |
| } else { |
| dpm_table->PPM_PkgPwrLimit = cpu_to_be16(0); |
| dpm_table->PPM_TemperatureLimit = cpu_to_be16(0); |
| } |
| |
| dpm_table->BAPM_TEMP_GRADIENT = cpu_to_be32(pt_defaults->bapm_temp_gradient); |
| def1 = pt_defaults->bapmti_r; |
| def2 = pt_defaults->bapmti_rc; |
| |
| for (i = 0; i < SMU7_DTE_ITERATIONS; i++) { |
| for (j = 0; j < SMU7_DTE_SOURCES; j++) { |
| for (k = 0; k < SMU7_DTE_SINKS; k++) { |
| dpm_table->BAPMTI_R[i][j][k] = cpu_to_be16(*def1); |
| dpm_table->BAPMTI_RC[i][j][k] = cpu_to_be16(*def2); |
| def1++; |
| def2++; |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int ci_populate_pm_base(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 pm_fuse_table_offset; |
| int ret; |
| |
| if (pi->caps_power_containment) { |
| ret = ci_read_smc_sram_dword(rdev, |
| SMU7_FIRMWARE_HEADER_LOCATION + |
| offsetof(SMU7_Firmware_Header, PmFuseTable), |
| &pm_fuse_table_offset, pi->sram_end); |
| if (ret) |
| return ret; |
| ret = ci_populate_bapm_vddc_vid_sidd(rdev); |
| if (ret) |
| return ret; |
| ret = ci_populate_vddc_vid(rdev); |
| if (ret) |
| return ret; |
| ret = ci_populate_svi_load_line(rdev); |
| if (ret) |
| return ret; |
| ret = ci_populate_tdc_limit(rdev); |
| if (ret) |
| return ret; |
| ret = ci_populate_dw8(rdev); |
| if (ret) |
| return ret; |
| ret = ci_populate_fuzzy_fan(rdev); |
| if (ret) |
| return ret; |
| ret = ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(rdev); |
| if (ret) |
| return ret; |
| ret = ci_populate_bapm_vddc_base_leakage_sidd(rdev); |
| if (ret) |
| return ret; |
| ret = ci_copy_bytes_to_smc(rdev, pm_fuse_table_offset, |
| (u8 *)&pi->smc_powertune_table, |
| sizeof(SMU7_Discrete_PmFuses), pi->sram_end); |
| if (ret) |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static void ci_do_enable_didt(struct radeon_device *rdev, const bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 data; |
| |
| if (pi->caps_sq_ramping) { |
| data = RREG32_DIDT(DIDT_SQ_CTRL0); |
| if (enable) |
| data |= DIDT_CTRL_EN; |
| else |
| data &= ~DIDT_CTRL_EN; |
| WREG32_DIDT(DIDT_SQ_CTRL0, data); |
| } |
| |
| if (pi->caps_db_ramping) { |
| data = RREG32_DIDT(DIDT_DB_CTRL0); |
| if (enable) |
| data |= DIDT_CTRL_EN; |
| else |
| data &= ~DIDT_CTRL_EN; |
| WREG32_DIDT(DIDT_DB_CTRL0, data); |
| } |
| |
| if (pi->caps_td_ramping) { |
| data = RREG32_DIDT(DIDT_TD_CTRL0); |
| if (enable) |
| data |= DIDT_CTRL_EN; |
| else |
| data &= ~DIDT_CTRL_EN; |
| WREG32_DIDT(DIDT_TD_CTRL0, data); |
| } |
| |
| if (pi->caps_tcp_ramping) { |
| data = RREG32_DIDT(DIDT_TCP_CTRL0); |
| if (enable) |
| data |= DIDT_CTRL_EN; |
| else |
| data &= ~DIDT_CTRL_EN; |
| WREG32_DIDT(DIDT_TCP_CTRL0, data); |
| } |
| } |
| |
| static int ci_program_pt_config_registers(struct radeon_device *rdev, |
| const struct ci_pt_config_reg *cac_config_regs) |
| { |
| const struct ci_pt_config_reg *config_regs = cac_config_regs; |
| u32 data; |
| u32 cache = 0; |
| |
| if (config_regs == NULL) |
| return -EINVAL; |
| |
| while (config_regs->offset != 0xFFFFFFFF) { |
| if (config_regs->type == CISLANDS_CONFIGREG_CACHE) { |
| cache |= ((config_regs->value << config_regs->shift) & config_regs->mask); |
| } else { |
| switch (config_regs->type) { |
| case CISLANDS_CONFIGREG_SMC_IND: |
| data = RREG32_SMC(config_regs->offset); |
| break; |
| case CISLANDS_CONFIGREG_DIDT_IND: |
| data = RREG32_DIDT(config_regs->offset); |
| break; |
| default: |
| data = RREG32(config_regs->offset << 2); |
| break; |
| } |
| |
| data &= ~config_regs->mask; |
| data |= ((config_regs->value << config_regs->shift) & config_regs->mask); |
| data |= cache; |
| |
| switch (config_regs->type) { |
| case CISLANDS_CONFIGREG_SMC_IND: |
| WREG32_SMC(config_regs->offset, data); |
| break; |
| case CISLANDS_CONFIGREG_DIDT_IND: |
| WREG32_DIDT(config_regs->offset, data); |
| break; |
| default: |
| WREG32(config_regs->offset << 2, data); |
| break; |
| } |
| cache = 0; |
| } |
| config_regs++; |
| } |
| return 0; |
| } |
| |
| static int ci_enable_didt(struct radeon_device *rdev, bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| int ret; |
| |
| if (pi->caps_sq_ramping || pi->caps_db_ramping || |
| pi->caps_td_ramping || pi->caps_tcp_ramping) { |
| cik_enter_rlc_safe_mode(rdev); |
| |
| if (enable) { |
| ret = ci_program_pt_config_registers(rdev, didt_config_ci); |
| if (ret) { |
| cik_exit_rlc_safe_mode(rdev); |
| return ret; |
| } |
| } |
| |
| ci_do_enable_didt(rdev, enable); |
| |
| cik_exit_rlc_safe_mode(rdev); |
| } |
| |
| return 0; |
| } |
| |
| static int ci_enable_power_containment(struct radeon_device *rdev, bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| PPSMC_Result smc_result; |
| int ret = 0; |
| |
| if (enable) { |
| pi->power_containment_features = 0; |
| if (pi->caps_power_containment) { |
| if (pi->enable_bapm_feature) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_EnableDTE); |
| if (smc_result != PPSMC_Result_OK) |
| ret = -EINVAL; |
| else |
| pi->power_containment_features |= POWERCONTAINMENT_FEATURE_BAPM; |
| } |
| |
| if (pi->enable_tdc_limit_feature) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_TDCLimitEnable); |
| if (smc_result != PPSMC_Result_OK) |
| ret = -EINVAL; |
| else |
| pi->power_containment_features |= POWERCONTAINMENT_FEATURE_TDCLimit; |
| } |
| |
| if (pi->enable_pkg_pwr_tracking_feature) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_PkgPwrLimitEnable); |
| if (smc_result != PPSMC_Result_OK) { |
| ret = -EINVAL; |
| } else { |
| struct radeon_cac_tdp_table *cac_tdp_table = |
| rdev->pm.dpm.dyn_state.cac_tdp_table; |
| u32 default_pwr_limit = |
| (u32)(cac_tdp_table->maximum_power_delivery_limit * 256); |
| |
| pi->power_containment_features |= POWERCONTAINMENT_FEATURE_PkgPwrLimit; |
| |
| ci_set_power_limit(rdev, default_pwr_limit); |
| } |
| } |
| } |
| } else { |
| if (pi->caps_power_containment && pi->power_containment_features) { |
| if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_TDCLimit) |
| ci_send_msg_to_smc(rdev, PPSMC_MSG_TDCLimitDisable); |
| |
| if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_BAPM) |
| ci_send_msg_to_smc(rdev, PPSMC_MSG_DisableDTE); |
| |
| if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_PkgPwrLimit) |
| ci_send_msg_to_smc(rdev, PPSMC_MSG_PkgPwrLimitDisable); |
| pi->power_containment_features = 0; |
| } |
| } |
| |
| return ret; |
| } |
| |
| static int ci_enable_smc_cac(struct radeon_device *rdev, bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| PPSMC_Result smc_result; |
| int ret = 0; |
| |
| if (pi->caps_cac) { |
| if (enable) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_EnableCac); |
| if (smc_result != PPSMC_Result_OK) { |
| ret = -EINVAL; |
| pi->cac_enabled = false; |
| } else { |
| pi->cac_enabled = true; |
| } |
| } else if (pi->cac_enabled) { |
| ci_send_msg_to_smc(rdev, PPSMC_MSG_DisableCac); |
| pi->cac_enabled = false; |
| } |
| } |
| |
| return ret; |
| } |
| |
| static int ci_enable_thermal_based_sclk_dpm(struct radeon_device *rdev, |
| bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| PPSMC_Result smc_result = PPSMC_Result_OK; |
| |
| if (pi->thermal_sclk_dpm_enabled) { |
| if (enable) |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_ENABLE_THERMAL_DPM); |
| else |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_DISABLE_THERMAL_DPM); |
| } |
| |
| if (smc_result == PPSMC_Result_OK) |
| return 0; |
| else |
| return -EINVAL; |
| } |
| |
| static int ci_power_control_set_level(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct radeon_cac_tdp_table *cac_tdp_table = |
| rdev->pm.dpm.dyn_state.cac_tdp_table; |
| s32 adjust_percent; |
| s32 target_tdp; |
| int ret = 0; |
| bool adjust_polarity = false; /* ??? */ |
| |
| if (pi->caps_power_containment) { |
| adjust_percent = adjust_polarity ? |
| rdev->pm.dpm.tdp_adjustment : (-1 * rdev->pm.dpm.tdp_adjustment); |
| target_tdp = ((100 + adjust_percent) * |
| (s32)cac_tdp_table->configurable_tdp) / 100; |
| |
| ret = ci_set_overdrive_target_tdp(rdev, (u32)target_tdp); |
| } |
| |
| return ret; |
| } |
| |
| void ci_dpm_powergate_uvd(struct radeon_device *rdev, bool gate) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if (pi->uvd_power_gated == gate) |
| return; |
| |
| pi->uvd_power_gated = gate; |
| |
| ci_update_uvd_dpm(rdev, gate); |
| } |
| |
| bool ci_dpm_vblank_too_short(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 vblank_time = r600_dpm_get_vblank_time(rdev); |
| u32 switch_limit = pi->mem_gddr5 ? 450 : 300; |
| |
| /* disable mclk switching if the refresh is >120Hz, even if the |
| * blanking period would allow it |
| */ |
| if (r600_dpm_get_vrefresh(rdev) > 120) |
| return true; |
| |
| if (vblank_time < switch_limit) |
| return true; |
| else |
| return false; |
| |
| } |
| |
| static void ci_apply_state_adjust_rules(struct radeon_device *rdev, |
| struct radeon_ps *rps) |
| { |
| struct ci_ps *ps = ci_get_ps(rps); |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct radeon_clock_and_voltage_limits *max_limits; |
| bool disable_mclk_switching; |
| u32 sclk, mclk; |
| int i; |
| |
| if (rps->vce_active) { |
| rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk; |
| rps->ecclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].ecclk; |
| } else { |
| rps->evclk = 0; |
| rps->ecclk = 0; |
| } |
| |
| if ((rdev->pm.dpm.new_active_crtc_count > 1) || |
| ci_dpm_vblank_too_short(rdev)) |
| disable_mclk_switching = true; |
| else |
| disable_mclk_switching = false; |
| |
| if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) |
| pi->battery_state = true; |
| else |
| pi->battery_state = false; |
| |
| if (rdev->pm.dpm.ac_power) |
| max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac; |
| else |
| max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc; |
| |
| if (rdev->pm.dpm.ac_power == false) { |
| for (i = 0; i < ps->performance_level_count; i++) { |
| if (ps->performance_levels[i].mclk > max_limits->mclk) |
| ps->performance_levels[i].mclk = max_limits->mclk; |
| if (ps->performance_levels[i].sclk > max_limits->sclk) |
| ps->performance_levels[i].sclk = max_limits->sclk; |
| } |
| } |
| |
| /* XXX validate the min clocks required for display */ |
| |
| if (disable_mclk_switching) { |
| mclk = ps->performance_levels[ps->performance_level_count - 1].mclk; |
| sclk = ps->performance_levels[0].sclk; |
| } else { |
| mclk = ps->performance_levels[0].mclk; |
| sclk = ps->performance_levels[0].sclk; |
| } |
| |
| if (rps->vce_active) { |
| if (sclk < rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk) |
| sclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].sclk; |
| if (mclk < rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].mclk) |
| mclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].mclk; |
| } |
| |
| ps->performance_levels[0].sclk = sclk; |
| ps->performance_levels[0].mclk = mclk; |
| |
| if (ps->performance_levels[1].sclk < ps->performance_levels[0].sclk) |
| ps->performance_levels[1].sclk = ps->performance_levels[0].sclk; |
| |
| if (disable_mclk_switching) { |
| if (ps->performance_levels[0].mclk < ps->performance_levels[1].mclk) |
| ps->performance_levels[0].mclk = ps->performance_levels[1].mclk; |
| } else { |
| if (ps->performance_levels[1].mclk < ps->performance_levels[0].mclk) |
| ps->performance_levels[1].mclk = ps->performance_levels[0].mclk; |
| } |
| } |
| |
| static int ci_thermal_set_temperature_range(struct radeon_device *rdev, |
| int min_temp, int max_temp) |
| { |
| int low_temp = 0 * 1000; |
| int high_temp = 255 * 1000; |
| u32 tmp; |
| |
| if (low_temp < min_temp) |
| low_temp = min_temp; |
| if (high_temp > max_temp) |
| high_temp = max_temp; |
| if (high_temp < low_temp) { |
| DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp); |
| return -EINVAL; |
| } |
| |
| tmp = RREG32_SMC(CG_THERMAL_INT); |
| tmp &= ~(CI_DIG_THERM_INTH_MASK | CI_DIG_THERM_INTL_MASK); |
| tmp |= CI_DIG_THERM_INTH(high_temp / 1000) | |
| CI_DIG_THERM_INTL(low_temp / 1000); |
| WREG32_SMC(CG_THERMAL_INT, tmp); |
| |
| #if 0 |
| /* XXX: need to figure out how to handle this properly */ |
| tmp = RREG32_SMC(CG_THERMAL_CTRL); |
| tmp &= DIG_THERM_DPM_MASK; |
| tmp |= DIG_THERM_DPM(high_temp / 1000); |
| WREG32_SMC(CG_THERMAL_CTRL, tmp); |
| #endif |
| |
| rdev->pm.dpm.thermal.min_temp = low_temp; |
| rdev->pm.dpm.thermal.max_temp = high_temp; |
| |
| return 0; |
| } |
| |
| static int ci_thermal_enable_alert(struct radeon_device *rdev, |
| bool enable) |
| { |
| u32 thermal_int = RREG32_SMC(CG_THERMAL_INT); |
| PPSMC_Result result; |
| |
| if (enable) { |
| thermal_int &= ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); |
| WREG32_SMC(CG_THERMAL_INT, thermal_int); |
| rdev->irq.dpm_thermal = false; |
| result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Thermal_Cntl_Enable); |
| if (result != PPSMC_Result_OK) { |
| DRM_DEBUG_KMS("Could not enable thermal interrupts.\n"); |
| return -EINVAL; |
| } |
| } else { |
| thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW; |
| WREG32_SMC(CG_THERMAL_INT, thermal_int); |
| rdev->irq.dpm_thermal = true; |
| result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Thermal_Cntl_Disable); |
| if (result != PPSMC_Result_OK) { |
| DRM_DEBUG_KMS("Could not disable thermal interrupts.\n"); |
| return -EINVAL; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static void ci_fan_ctrl_set_static_mode(struct radeon_device *rdev, u32 mode) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 tmp; |
| |
| if (pi->fan_ctrl_is_in_default_mode) { |
| tmp = (RREG32_SMC(CG_FDO_CTRL2) & FDO_PWM_MODE_MASK) >> FDO_PWM_MODE_SHIFT; |
| pi->fan_ctrl_default_mode = tmp; |
| tmp = (RREG32_SMC(CG_FDO_CTRL2) & TMIN_MASK) >> TMIN_SHIFT; |
| pi->t_min = tmp; |
| pi->fan_ctrl_is_in_default_mode = false; |
| } |
| |
| tmp = RREG32_SMC(CG_FDO_CTRL2) & ~TMIN_MASK; |
| tmp |= TMIN(0); |
| WREG32_SMC(CG_FDO_CTRL2, tmp); |
| |
| tmp = RREG32_SMC(CG_FDO_CTRL2) & ~FDO_PWM_MODE_MASK; |
| tmp |= FDO_PWM_MODE(mode); |
| WREG32_SMC(CG_FDO_CTRL2, tmp); |
| } |
| |
| static int ci_thermal_setup_fan_table(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| SMU7_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE }; |
| u32 duty100; |
| u32 t_diff1, t_diff2, pwm_diff1, pwm_diff2; |
| u16 fdo_min, slope1, slope2; |
| u32 reference_clock, tmp; |
| int ret; |
| u64 tmp64; |
| |
| if (!pi->fan_table_start) { |
| rdev->pm.dpm.fan.ucode_fan_control = false; |
| return 0; |
| } |
| |
| duty100 = (RREG32_SMC(CG_FDO_CTRL1) & FMAX_DUTY100_MASK) >> FMAX_DUTY100_SHIFT; |
| |
| if (duty100 == 0) { |
| rdev->pm.dpm.fan.ucode_fan_control = false; |
| return 0; |
| } |
| |
| tmp64 = (u64)rdev->pm.dpm.fan.pwm_min * duty100; |
| do_div(tmp64, 10000); |
| fdo_min = (u16)tmp64; |
| |
| t_diff1 = rdev->pm.dpm.fan.t_med - rdev->pm.dpm.fan.t_min; |
| t_diff2 = rdev->pm.dpm.fan.t_high - rdev->pm.dpm.fan.t_med; |
| |
| pwm_diff1 = rdev->pm.dpm.fan.pwm_med - rdev->pm.dpm.fan.pwm_min; |
| pwm_diff2 = rdev->pm.dpm.fan.pwm_high - rdev->pm.dpm.fan.pwm_med; |
| |
| slope1 = (u16)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100); |
| slope2 = (u16)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100); |
| |
| fan_table.TempMin = cpu_to_be16((50 + rdev->pm.dpm.fan.t_min) / 100); |
| fan_table.TempMed = cpu_to_be16((50 + rdev->pm.dpm.fan.t_med) / 100); |
| fan_table.TempMax = cpu_to_be16((50 + rdev->pm.dpm.fan.t_max) / 100); |
| |
| fan_table.Slope1 = cpu_to_be16(slope1); |
| fan_table.Slope2 = cpu_to_be16(slope2); |
| |
| fan_table.FdoMin = cpu_to_be16(fdo_min); |
| |
| fan_table.HystDown = cpu_to_be16(rdev->pm.dpm.fan.t_hyst); |
| |
| fan_table.HystUp = cpu_to_be16(1); |
| |
| fan_table.HystSlope = cpu_to_be16(1); |
| |
| fan_table.TempRespLim = cpu_to_be16(5); |
| |
| reference_clock = radeon_get_xclk(rdev); |
| |
| fan_table.RefreshPeriod = cpu_to_be32((rdev->pm.dpm.fan.cycle_delay * |
| reference_clock) / 1600); |
| |
| fan_table.FdoMax = cpu_to_be16((u16)duty100); |
| |
| tmp = (RREG32_SMC(CG_MULT_THERMAL_CTRL) & TEMP_SEL_MASK) >> TEMP_SEL_SHIFT; |
| fan_table.TempSrc = (uint8_t)tmp; |
| |
| ret = ci_copy_bytes_to_smc(rdev, |
| pi->fan_table_start, |
| (u8 *)(&fan_table), |
| sizeof(fan_table), |
| pi->sram_end); |
| |
| if (ret) { |
| DRM_ERROR("Failed to load fan table to the SMC."); |
| rdev->pm.dpm.fan.ucode_fan_control = false; |
| } |
| |
| return 0; |
| } |
| |
| static int ci_fan_ctrl_start_smc_fan_control(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| PPSMC_Result ret; |
| |
| if (pi->caps_od_fuzzy_fan_control_support) { |
| ret = ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_StartFanControl, |
| FAN_CONTROL_FUZZY); |
| if (ret != PPSMC_Result_OK) |
| return -EINVAL; |
| ret = ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_MSG_SetFanPwmMax, |
| rdev->pm.dpm.fan.default_max_fan_pwm); |
| if (ret != PPSMC_Result_OK) |
| return -EINVAL; |
| } else { |
| ret = ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_StartFanControl, |
| FAN_CONTROL_TABLE); |
| if (ret != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| pi->fan_is_controlled_by_smc = true; |
| return 0; |
| } |
| |
| static int ci_fan_ctrl_stop_smc_fan_control(struct radeon_device *rdev) |
| { |
| PPSMC_Result ret; |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| ret = ci_send_msg_to_smc(rdev, PPSMC_StopFanControl); |
| if (ret == PPSMC_Result_OK) { |
| pi->fan_is_controlled_by_smc = false; |
| return 0; |
| } else |
| return -EINVAL; |
| } |
| |
| int ci_fan_ctrl_get_fan_speed_percent(struct radeon_device *rdev, |
| u32 *speed) |
| { |
| u32 duty, duty100; |
| u64 tmp64; |
| |
| if (rdev->pm.no_fan) |
| return -ENOENT; |
| |
| duty100 = (RREG32_SMC(CG_FDO_CTRL1) & FMAX_DUTY100_MASK) >> FMAX_DUTY100_SHIFT; |
| duty = (RREG32_SMC(CG_THERMAL_STATUS) & FDO_PWM_DUTY_MASK) >> FDO_PWM_DUTY_SHIFT; |
| |
| if (duty100 == 0) |
| return -EINVAL; |
| |
| tmp64 = (u64)duty * 100; |
| do_div(tmp64, duty100); |
| *speed = (u32)tmp64; |
| |
| if (*speed > 100) |
| *speed = 100; |
| |
| return 0; |
| } |
| |
| int ci_fan_ctrl_set_fan_speed_percent(struct radeon_device *rdev, |
| u32 speed) |
| { |
| u32 tmp; |
| u32 duty, duty100; |
| u64 tmp64; |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if (rdev->pm.no_fan) |
| return -ENOENT; |
| |
| if (pi->fan_is_controlled_by_smc) |
| return -EINVAL; |
| |
| if (speed > 100) |
| return -EINVAL; |
| |
| duty100 = (RREG32_SMC(CG_FDO_CTRL1) & FMAX_DUTY100_MASK) >> FMAX_DUTY100_SHIFT; |
| |
| if (duty100 == 0) |
| return -EINVAL; |
| |
| tmp64 = (u64)speed * duty100; |
| do_div(tmp64, 100); |
| duty = (u32)tmp64; |
| |
| tmp = RREG32_SMC(CG_FDO_CTRL0) & ~FDO_STATIC_DUTY_MASK; |
| tmp |= FDO_STATIC_DUTY(duty); |
| WREG32_SMC(CG_FDO_CTRL0, tmp); |
| |
| return 0; |
| } |
| |
| void ci_fan_ctrl_set_mode(struct radeon_device *rdev, u32 mode) |
| { |
| if (mode) { |
| /* stop auto-manage */ |
| if (rdev->pm.dpm.fan.ucode_fan_control) |
| ci_fan_ctrl_stop_smc_fan_control(rdev); |
| ci_fan_ctrl_set_static_mode(rdev, mode); |
| } else { |
| /* restart auto-manage */ |
| if (rdev->pm.dpm.fan.ucode_fan_control) |
| ci_thermal_start_smc_fan_control(rdev); |
| else |
| ci_fan_ctrl_set_default_mode(rdev); |
| } |
| } |
| |
| u32 ci_fan_ctrl_get_mode(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 tmp; |
| |
| if (pi->fan_is_controlled_by_smc) |
| return 0; |
| |
| tmp = RREG32_SMC(CG_FDO_CTRL2) & FDO_PWM_MODE_MASK; |
| return (tmp >> FDO_PWM_MODE_SHIFT); |
| } |
| |
| #if 0 |
| static int ci_fan_ctrl_get_fan_speed_rpm(struct radeon_device *rdev, |
| u32 *speed) |
| { |
| u32 tach_period; |
| u32 xclk = radeon_get_xclk(rdev); |
| |
| if (rdev->pm.no_fan) |
| return -ENOENT; |
| |
| if (rdev->pm.fan_pulses_per_revolution == 0) |
| return -ENOENT; |
| |
| tach_period = (RREG32_SMC(CG_TACH_STATUS) & TACH_PERIOD_MASK) >> TACH_PERIOD_SHIFT; |
| if (tach_period == 0) |
| return -ENOENT; |
| |
| *speed = 60 * xclk * 10000 / tach_period; |
| |
| return 0; |
| } |
| |
| static int ci_fan_ctrl_set_fan_speed_rpm(struct radeon_device *rdev, |
| u32 speed) |
| { |
| u32 tach_period, tmp; |
| u32 xclk = radeon_get_xclk(rdev); |
| |
| if (rdev->pm.no_fan) |
| return -ENOENT; |
| |
| if (rdev->pm.fan_pulses_per_revolution == 0) |
| return -ENOENT; |
| |
| if ((speed < rdev->pm.fan_min_rpm) || |
| (speed > rdev->pm.fan_max_rpm)) |
| return -EINVAL; |
| |
| if (rdev->pm.dpm.fan.ucode_fan_control) |
| ci_fan_ctrl_stop_smc_fan_control(rdev); |
| |
| tach_period = 60 * xclk * 10000 / (8 * speed); |
| tmp = RREG32_SMC(CG_TACH_CTRL) & ~TARGET_PERIOD_MASK; |
| tmp |= TARGET_PERIOD(tach_period); |
| WREG32_SMC(CG_TACH_CTRL, tmp); |
| |
| ci_fan_ctrl_set_static_mode(rdev, FDO_PWM_MODE_STATIC_RPM); |
| |
| return 0; |
| } |
| #endif |
| |
| static void ci_fan_ctrl_set_default_mode(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 tmp; |
| |
| if (!pi->fan_ctrl_is_in_default_mode) { |
| tmp = RREG32_SMC(CG_FDO_CTRL2) & ~FDO_PWM_MODE_MASK; |
| tmp |= FDO_PWM_MODE(pi->fan_ctrl_default_mode); |
| WREG32_SMC(CG_FDO_CTRL2, tmp); |
| |
| tmp = RREG32_SMC(CG_FDO_CTRL2) & ~TMIN_MASK; |
| tmp |= TMIN(pi->t_min); |
| WREG32_SMC(CG_FDO_CTRL2, tmp); |
| pi->fan_ctrl_is_in_default_mode = true; |
| } |
| } |
| |
| static void ci_thermal_start_smc_fan_control(struct radeon_device *rdev) |
| { |
| if (rdev->pm.dpm.fan.ucode_fan_control) { |
| ci_fan_ctrl_start_smc_fan_control(rdev); |
| ci_fan_ctrl_set_static_mode(rdev, FDO_PWM_MODE_STATIC); |
| } |
| } |
| |
| static void ci_thermal_initialize(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| |
| if (rdev->pm.fan_pulses_per_revolution) { |
| tmp = RREG32_SMC(CG_TACH_CTRL) & ~EDGE_PER_REV_MASK; |
| tmp |= EDGE_PER_REV(rdev->pm.fan_pulses_per_revolution -1); |
| WREG32_SMC(CG_TACH_CTRL, tmp); |
| } |
| |
| tmp = RREG32_SMC(CG_FDO_CTRL2) & ~TACH_PWM_RESP_RATE_MASK; |
| tmp |= TACH_PWM_RESP_RATE(0x28); |
| WREG32_SMC(CG_FDO_CTRL2, tmp); |
| } |
| |
| static int ci_thermal_start_thermal_controller(struct radeon_device *rdev) |
| { |
| int ret; |
| |
| ci_thermal_initialize(rdev); |
| ret = ci_thermal_set_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX); |
| if (ret) |
| return ret; |
| ret = ci_thermal_enable_alert(rdev, true); |
| if (ret) |
| return ret; |
| if (rdev->pm.dpm.fan.ucode_fan_control) { |
| ret = ci_thermal_setup_fan_table(rdev); |
| if (ret) |
| return ret; |
| ci_thermal_start_smc_fan_control(rdev); |
| } |
| |
| return 0; |
| } |
| |
| static void ci_thermal_stop_thermal_controller(struct radeon_device *rdev) |
| { |
| if (!rdev->pm.no_fan) |
| ci_fan_ctrl_set_default_mode(rdev); |
| } |
| |
| #if 0 |
| static int ci_read_smc_soft_register(struct radeon_device *rdev, |
| u16 reg_offset, u32 *value) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| return ci_read_smc_sram_dword(rdev, |
| pi->soft_regs_start + reg_offset, |
| value, pi->sram_end); |
| } |
| #endif |
| |
| static int ci_write_smc_soft_register(struct radeon_device *rdev, |
| u16 reg_offset, u32 value) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| return ci_write_smc_sram_dword(rdev, |
| pi->soft_regs_start + reg_offset, |
| value, pi->sram_end); |
| } |
| |
| static void ci_init_fps_limits(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| SMU7_Discrete_DpmTable *table = &pi->smc_state_table; |
| |
| if (pi->caps_fps) { |
| u16 tmp; |
| |
| tmp = 45; |
| table->FpsHighT = cpu_to_be16(tmp); |
| |
| tmp = 30; |
| table->FpsLowT = cpu_to_be16(tmp); |
| } |
| } |
| |
| static int ci_update_sclk_t(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| int ret = 0; |
| u32 low_sclk_interrupt_t = 0; |
| |
| if (pi->caps_sclk_throttle_low_notification) { |
| low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t); |
| |
| ret = ci_copy_bytes_to_smc(rdev, |
| pi->dpm_table_start + |
| offsetof(SMU7_Discrete_DpmTable, LowSclkInterruptT), |
| (u8 *)&low_sclk_interrupt_t, |
| sizeof(u32), pi->sram_end); |
| |
| } |
| |
| return ret; |
| } |
| |
| static void ci_get_leakage_voltages(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u16 leakage_id, virtual_voltage_id; |
| u16 vddc, vddci; |
| int i; |
| |
| pi->vddc_leakage.count = 0; |
| pi->vddci_leakage.count = 0; |
| |
| if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) { |
| for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) { |
| virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i; |
| if (radeon_atom_get_voltage_evv(rdev, virtual_voltage_id, &vddc) != 0) |
| continue; |
| if (vddc != 0 && vddc != virtual_voltage_id) { |
| pi->vddc_leakage.actual_voltage[pi->vddc_leakage.count] = vddc; |
| pi->vddc_leakage.leakage_id[pi->vddc_leakage.count] = virtual_voltage_id; |
| pi->vddc_leakage.count++; |
| } |
| } |
| } else if (radeon_atom_get_leakage_id_from_vbios(rdev, &leakage_id) == 0) { |
| for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) { |
| virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i; |
| if (radeon_atom_get_leakage_vddc_based_on_leakage_params(rdev, &vddc, &vddci, |
| virtual_voltage_id, |
| leakage_id) == 0) { |
| if (vddc != 0 && vddc != virtual_voltage_id) { |
| pi->vddc_leakage.actual_voltage[pi->vddc_leakage.count] = vddc; |
| pi->vddc_leakage.leakage_id[pi->vddc_leakage.count] = virtual_voltage_id; |
| pi->vddc_leakage.count++; |
| } |
| if (vddci != 0 && vddci != virtual_voltage_id) { |
| pi->vddci_leakage.actual_voltage[pi->vddci_leakage.count] = vddci; |
| pi->vddci_leakage.leakage_id[pi->vddci_leakage.count] = virtual_voltage_id; |
| pi->vddci_leakage.count++; |
| } |
| } |
| } |
| } |
| } |
| |
| static void ci_set_dpm_event_sources(struct radeon_device *rdev, u32 sources) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| bool want_thermal_protection; |
| u32 tmp; |
| |
| switch (sources) { |
| case 0: |
| default: |
| want_thermal_protection = false; |
| break; |
| case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL): |
| want_thermal_protection = true; |
| break; |
| case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL): |
| want_thermal_protection = true; |
| break; |
| case ((1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL) | |
| (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL)): |
| want_thermal_protection = true; |
| break; |
| } |
| |
| if (want_thermal_protection) { |
| tmp = RREG32_SMC(GENERAL_PWRMGT); |
| if (pi->thermal_protection) |
| tmp &= ~THERMAL_PROTECTION_DIS; |
| else |
| tmp |= THERMAL_PROTECTION_DIS; |
| WREG32_SMC(GENERAL_PWRMGT, tmp); |
| } else { |
| tmp = RREG32_SMC(GENERAL_PWRMGT); |
| tmp |= THERMAL_PROTECTION_DIS; |
| WREG32_SMC(GENERAL_PWRMGT, tmp); |
| } |
| } |
| |
| static void ci_enable_auto_throttle_source(struct radeon_device *rdev, |
| enum radeon_dpm_auto_throttle_src source, |
| bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if (enable) { |
| if (!(pi->active_auto_throttle_sources & (1 << source))) { |
| pi->active_auto_throttle_sources |= 1 << source; |
| ci_set_dpm_event_sources(rdev, pi->active_auto_throttle_sources); |
| } |
| } else { |
| if (pi->active_auto_throttle_sources & (1 << source)) { |
| pi->active_auto_throttle_sources &= ~(1 << source); |
| ci_set_dpm_event_sources(rdev, pi->active_auto_throttle_sources); |
| } |
| } |
| } |
| |
| static void ci_enable_vr_hot_gpio_interrupt(struct radeon_device *rdev) |
| { |
| if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT) |
| ci_send_msg_to_smc(rdev, PPSMC_MSG_EnableVRHotGPIOInterrupt); |
| } |
| |
| static int ci_unfreeze_sclk_mclk_dpm(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| PPSMC_Result smc_result; |
| |
| if (!pi->need_update_smu7_dpm_table) |
| return 0; |
| |
| if ((!pi->sclk_dpm_key_disabled) && |
| (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_UPDATE_SCLK))) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_SCLKDPM_UnfreezeLevel); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| if ((!pi->mclk_dpm_key_disabled) && |
| (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_MCLKDPM_UnfreezeLevel); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| pi->need_update_smu7_dpm_table = 0; |
| return 0; |
| } |
| |
| static int ci_enable_sclk_mclk_dpm(struct radeon_device *rdev, bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| PPSMC_Result smc_result; |
| |
| if (enable) { |
| if (!pi->sclk_dpm_key_disabled) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_DPM_Enable); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| if (!pi->mclk_dpm_key_disabled) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_MCLKDPM_Enable); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| |
| WREG32_P(MC_SEQ_CNTL_3, CAC_EN, ~CAC_EN); |
| |
| WREG32_SMC(LCAC_MC0_CNTL, 0x05); |
| WREG32_SMC(LCAC_MC1_CNTL, 0x05); |
| WREG32_SMC(LCAC_CPL_CNTL, 0x100005); |
| |
| udelay(10); |
| |
| WREG32_SMC(LCAC_MC0_CNTL, 0x400005); |
| WREG32_SMC(LCAC_MC1_CNTL, 0x400005); |
| WREG32_SMC(LCAC_CPL_CNTL, 0x500005); |
| } |
| } else { |
| if (!pi->sclk_dpm_key_disabled) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_DPM_Disable); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| if (!pi->mclk_dpm_key_disabled) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_MCLKDPM_Disable); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int ci_start_dpm(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| PPSMC_Result smc_result; |
| int ret; |
| u32 tmp; |
| |
| tmp = RREG32_SMC(GENERAL_PWRMGT); |
| tmp |= GLOBAL_PWRMGT_EN; |
| WREG32_SMC(GENERAL_PWRMGT, tmp); |
| |
| tmp = RREG32_SMC(SCLK_PWRMGT_CNTL); |
| tmp |= DYNAMIC_PM_EN; |
| WREG32_SMC(SCLK_PWRMGT_CNTL, tmp); |
| |
| ci_write_smc_soft_register(rdev, offsetof(SMU7_SoftRegisters, VoltageChangeTimeout), 0x1000); |
| |
| WREG32_P(BIF_LNCNT_RESET, 0, ~RESET_LNCNT_EN); |
| |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Voltage_Cntl_Enable); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| |
| ret = ci_enable_sclk_mclk_dpm(rdev, true); |
| if (ret) |
| return ret; |
| |
| if (!pi->pcie_dpm_key_disabled) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_PCIeDPM_Enable); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int ci_freeze_sclk_mclk_dpm(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| PPSMC_Result smc_result; |
| |
| if (!pi->need_update_smu7_dpm_table) |
| return 0; |
| |
| if ((!pi->sclk_dpm_key_disabled) && |
| (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_UPDATE_SCLK))) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_SCLKDPM_FreezeLevel); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| if ((!pi->mclk_dpm_key_disabled) && |
| (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_MCLKDPM_FreezeLevel); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int ci_stop_dpm(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| PPSMC_Result smc_result; |
| int ret; |
| u32 tmp; |
| |
| tmp = RREG32_SMC(GENERAL_PWRMGT); |
| tmp &= ~GLOBAL_PWRMGT_EN; |
| WREG32_SMC(GENERAL_PWRMGT, tmp); |
| |
| tmp = RREG32_SMC(SCLK_PWRMGT_CNTL); |
| tmp &= ~DYNAMIC_PM_EN; |
| WREG32_SMC(SCLK_PWRMGT_CNTL, tmp); |
| |
| if (!pi->pcie_dpm_key_disabled) { |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_PCIeDPM_Disable); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| ret = ci_enable_sclk_mclk_dpm(rdev, false); |
| if (ret) |
| return ret; |
| |
| smc_result = ci_send_msg_to_smc(rdev, PPSMC_MSG_Voltage_Cntl_Disable); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| static void ci_enable_sclk_control(struct radeon_device *rdev, bool enable) |
| { |
| u32 tmp = RREG32_SMC(SCLK_PWRMGT_CNTL); |
| |
| if (enable) |
| tmp &= ~SCLK_PWRMGT_OFF; |
| else |
| tmp |= SCLK_PWRMGT_OFF; |
| WREG32_SMC(SCLK_PWRMGT_CNTL, tmp); |
| } |
| |
| #if 0 |
| static int ci_notify_hw_of_power_source(struct radeon_device *rdev, |
| bool ac_power) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct radeon_cac_tdp_table *cac_tdp_table = |
| rdev->pm.dpm.dyn_state.cac_tdp_table; |
| u32 power_limit; |
| |
| if (ac_power) |
| power_limit = (u32)(cac_tdp_table->maximum_power_delivery_limit * 256); |
| else |
| power_limit = (u32)(cac_tdp_table->battery_power_limit * 256); |
| |
| ci_set_power_limit(rdev, power_limit); |
| |
| if (pi->caps_automatic_dc_transition) { |
| if (ac_power) |
| ci_send_msg_to_smc(rdev, PPSMC_MSG_RunningOnAC); |
| else |
| ci_send_msg_to_smc(rdev, PPSMC_MSG_Remove_DC_Clamp); |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| static PPSMC_Result ci_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg) |
| { |
| u32 tmp; |
| int i; |
| |
| if (!ci_is_smc_running(rdev)) |
| return PPSMC_Result_Failed; |
| |
| WREG32(SMC_MESSAGE_0, msg); |
| |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| tmp = RREG32(SMC_RESP_0); |
| if (tmp != 0) |
| break; |
| udelay(1); |
| } |
| tmp = RREG32(SMC_RESP_0); |
| |
| return (PPSMC_Result)tmp; |
| } |
| |
| static PPSMC_Result ci_send_msg_to_smc_with_parameter(struct radeon_device *rdev, |
| PPSMC_Msg msg, u32 parameter) |
| { |
| WREG32(SMC_MSG_ARG_0, parameter); |
| return ci_send_msg_to_smc(rdev, msg); |
| } |
| |
| static PPSMC_Result ci_send_msg_to_smc_return_parameter(struct radeon_device *rdev, |
| PPSMC_Msg msg, u32 *parameter) |
| { |
| PPSMC_Result smc_result; |
| |
| smc_result = ci_send_msg_to_smc(rdev, msg); |
| |
| if ((smc_result == PPSMC_Result_OK) && parameter) |
| *parameter = RREG32(SMC_MSG_ARG_0); |
| |
| return smc_result; |
| } |
| |
| static int ci_dpm_force_state_sclk(struct radeon_device *rdev, u32 n) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if (!pi->sclk_dpm_key_disabled) { |
| PPSMC_Result smc_result = |
| ci_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SCLKDPM_SetEnabledMask, 1 << n); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int ci_dpm_force_state_mclk(struct radeon_device *rdev, u32 n) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if (!pi->mclk_dpm_key_disabled) { |
| PPSMC_Result smc_result = |
| ci_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_MCLKDPM_SetEnabledMask, 1 << n); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int ci_dpm_force_state_pcie(struct radeon_device *rdev, u32 n) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if (!pi->pcie_dpm_key_disabled) { |
| PPSMC_Result smc_result = |
| ci_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_PCIeDPM_ForceLevel, n); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int ci_set_power_limit(struct radeon_device *rdev, u32 n) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if (pi->power_containment_features & POWERCONTAINMENT_FEATURE_PkgPwrLimit) { |
| PPSMC_Result smc_result = |
| ci_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_PkgPwrSetLimit, n); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int ci_set_overdrive_target_tdp(struct radeon_device *rdev, |
| u32 target_tdp) |
| { |
| PPSMC_Result smc_result = |
| ci_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_OverDriveSetTargetTdp, target_tdp); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| return 0; |
| } |
| |
| #if 0 |
| static int ci_set_boot_state(struct radeon_device *rdev) |
| { |
| return ci_enable_sclk_mclk_dpm(rdev, false); |
| } |
| #endif |
| |
| static u32 ci_get_average_sclk_freq(struct radeon_device *rdev) |
| { |
| u32 sclk_freq; |
| PPSMC_Result smc_result = |
| ci_send_msg_to_smc_return_parameter(rdev, |
| PPSMC_MSG_API_GetSclkFrequency, |
| &sclk_freq); |
| if (smc_result != PPSMC_Result_OK) |
| sclk_freq = 0; |
| |
| return sclk_freq; |
| } |
| |
| static u32 ci_get_average_mclk_freq(struct radeon_device *rdev) |
| { |
| u32 mclk_freq; |
| PPSMC_Result smc_result = |
| ci_send_msg_to_smc_return_parameter(rdev, |
| PPSMC_MSG_API_GetMclkFrequency, |
| &mclk_freq); |
| if (smc_result != PPSMC_Result_OK) |
| mclk_freq = 0; |
| |
| return mclk_freq; |
| } |
| |
| static void ci_dpm_start_smc(struct radeon_device *rdev) |
| { |
| int i; |
| |
| ci_program_jump_on_start(rdev); |
| ci_start_smc_clock(rdev); |
| ci_start_smc(rdev); |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| if (RREG32_SMC(FIRMWARE_FLAGS) & INTERRUPTS_ENABLED) |
| break; |
| } |
| } |
| |
| static void ci_dpm_stop_smc(struct radeon_device *rdev) |
| { |
| ci_reset_smc(rdev); |
| ci_stop_smc_clock(rdev); |
| } |
| |
| static int ci_process_firmware_header(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 tmp; |
| int ret; |
| |
| ret = ci_read_smc_sram_dword(rdev, |
| SMU7_FIRMWARE_HEADER_LOCATION + |
| offsetof(SMU7_Firmware_Header, DpmTable), |
| &tmp, pi->sram_end); |
| if (ret) |
| return ret; |
| |
| pi->dpm_table_start = tmp; |
| |
| ret = ci_read_smc_sram_dword(rdev, |
| SMU7_FIRMWARE_HEADER_LOCATION + |
| offsetof(SMU7_Firmware_Header, SoftRegisters), |
| &tmp, pi->sram_end); |
| if (ret) |
| return ret; |
| |
| pi->soft_regs_start = tmp; |
| |
| ret = ci_read_smc_sram_dword(rdev, |
| SMU7_FIRMWARE_HEADER_LOCATION + |
| offsetof(SMU7_Firmware_Header, mcRegisterTable), |
| &tmp, pi->sram_end); |
| if (ret) |
| return ret; |
| |
| pi->mc_reg_table_start = tmp; |
| |
| ret = ci_read_smc_sram_dword(rdev, |
| SMU7_FIRMWARE_HEADER_LOCATION + |
| offsetof(SMU7_Firmware_Header, FanTable), |
| &tmp, pi->sram_end); |
| if (ret) |
| return ret; |
| |
| pi->fan_table_start = tmp; |
| |
| ret = ci_read_smc_sram_dword(rdev, |
| SMU7_FIRMWARE_HEADER_LOCATION + |
| offsetof(SMU7_Firmware_Header, mcArbDramTimingTable), |
| &tmp, pi->sram_end); |
| if (ret) |
| return ret; |
| |
| pi->arb_table_start = tmp; |
| |
| return 0; |
| } |
| |
| static void ci_read_clock_registers(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| pi->clock_registers.cg_spll_func_cntl = |
| RREG32_SMC(CG_SPLL_FUNC_CNTL); |
| pi->clock_registers.cg_spll_func_cntl_2 = |
| RREG32_SMC(CG_SPLL_FUNC_CNTL_2); |
| pi->clock_registers.cg_spll_func_cntl_3 = |
| RREG32_SMC(CG_SPLL_FUNC_CNTL_3); |
| pi->clock_registers.cg_spll_func_cntl_4 = |
| RREG32_SMC(CG_SPLL_FUNC_CNTL_4); |
| pi->clock_registers.cg_spll_spread_spectrum = |
| RREG32_SMC(CG_SPLL_SPREAD_SPECTRUM); |
| pi->clock_registers.cg_spll_spread_spectrum_2 = |
| RREG32_SMC(CG_SPLL_SPREAD_SPECTRUM_2); |
| pi->clock_registers.dll_cntl = RREG32(DLL_CNTL); |
| pi->clock_registers.mclk_pwrmgt_cntl = RREG32(MCLK_PWRMGT_CNTL); |
| pi->clock_registers.mpll_ad_func_cntl = RREG32(MPLL_AD_FUNC_CNTL); |
| pi->clock_registers.mpll_dq_func_cntl = RREG32(MPLL_DQ_FUNC_CNTL); |
| pi->clock_registers.mpll_func_cntl = RREG32(MPLL_FUNC_CNTL); |
| pi->clock_registers.mpll_func_cntl_1 = RREG32(MPLL_FUNC_CNTL_1); |
| pi->clock_registers.mpll_func_cntl_2 = RREG32(MPLL_FUNC_CNTL_2); |
| pi->clock_registers.mpll_ss1 = RREG32(MPLL_SS1); |
| pi->clock_registers.mpll_ss2 = RREG32(MPLL_SS2); |
| } |
| |
| static void ci_init_sclk_t(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| pi->low_sclk_interrupt_t = 0; |
| } |
| |
| static void ci_enable_thermal_protection(struct radeon_device *rdev, |
| bool enable) |
| { |
| u32 tmp = RREG32_SMC(GENERAL_PWRMGT); |
| |
| if (enable) |
| tmp &= ~THERMAL_PROTECTION_DIS; |
| else |
| tmp |= THERMAL_PROTECTION_DIS; |
| WREG32_SMC(GENERAL_PWRMGT, tmp); |
| } |
| |
| static void ci_enable_acpi_power_management(struct radeon_device *rdev) |
| { |
| u32 tmp = RREG32_SMC(GENERAL_PWRMGT); |
| |
| tmp |= STATIC_PM_EN; |
| |
| WREG32_SMC(GENERAL_PWRMGT, tmp); |
| } |
| |
| #if 0 |
| static int ci_enter_ulp_state(struct radeon_device *rdev) |
| { |
| |
| WREG32(SMC_MESSAGE_0, PPSMC_MSG_SwitchToMinimumPower); |
| |
| udelay(25000); |
| |
| return 0; |
| } |
| |
| static int ci_exit_ulp_state(struct radeon_device *rdev) |
| { |
| int i; |
| |
| WREG32(SMC_MESSAGE_0, PPSMC_MSG_ResumeFromMinimumPower); |
| |
| udelay(7000); |
| |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| if (RREG32(SMC_RESP_0) == 1) |
| break; |
| udelay(1000); |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| static int ci_notify_smc_display_change(struct radeon_device *rdev, |
| bool has_display) |
| { |
| PPSMC_Msg msg = has_display ? PPSMC_MSG_HasDisplay : PPSMC_MSG_NoDisplay; |
| |
| return (ci_send_msg_to_smc(rdev, msg) == PPSMC_Result_OK) ? 0 : -EINVAL; |
| } |
| |
| static int ci_enable_ds_master_switch(struct radeon_device *rdev, |
| bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if (enable) { |
| if (pi->caps_sclk_ds) { |
| if (ci_send_msg_to_smc(rdev, PPSMC_MSG_MASTER_DeepSleep_ON) != PPSMC_Result_OK) |
| return -EINVAL; |
| } else { |
| if (ci_send_msg_to_smc(rdev, PPSMC_MSG_MASTER_DeepSleep_OFF) != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| } else { |
| if (pi->caps_sclk_ds) { |
| if (ci_send_msg_to_smc(rdev, PPSMC_MSG_MASTER_DeepSleep_OFF) != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static void ci_program_display_gap(struct radeon_device *rdev) |
| { |
| u32 tmp = RREG32_SMC(CG_DISPLAY_GAP_CNTL); |
| u32 pre_vbi_time_in_us; |
| u32 frame_time_in_us; |
| u32 ref_clock = rdev->clock.spll.reference_freq; |
| u32 refresh_rate = r600_dpm_get_vrefresh(rdev); |
| u32 vblank_time = r600_dpm_get_vblank_time(rdev); |
| |
| tmp &= ~DISP_GAP_MASK; |
| if (rdev->pm.dpm.new_active_crtc_count > 0) |
| tmp |= DISP_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM); |
| else |
| tmp |= DISP_GAP(R600_PM_DISPLAY_GAP_IGNORE); |
| WREG32_SMC(CG_DISPLAY_GAP_CNTL, tmp); |
| |
| if (refresh_rate == 0) |
| refresh_rate = 60; |
| if (vblank_time == 0xffffffff) |
| vblank_time = 500; |
| frame_time_in_us = 1000000 / refresh_rate; |
| pre_vbi_time_in_us = |
| frame_time_in_us - 200 - vblank_time; |
| tmp = pre_vbi_time_in_us * (ref_clock / 100); |
| |
| WREG32_SMC(CG_DISPLAY_GAP_CNTL2, tmp); |
| ci_write_smc_soft_register(rdev, offsetof(SMU7_SoftRegisters, PreVBlankGap), 0x64); |
| ci_write_smc_soft_register(rdev, offsetof(SMU7_SoftRegisters, VBlankTimeout), (frame_time_in_us - pre_vbi_time_in_us)); |
| |
| |
| ci_notify_smc_display_change(rdev, (rdev->pm.dpm.new_active_crtc_count == 1)); |
| |
| } |
| |
| static void ci_enable_spread_spectrum(struct radeon_device *rdev, bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 tmp; |
| |
| if (enable) { |
| if (pi->caps_sclk_ss_support) { |
| tmp = RREG32_SMC(GENERAL_PWRMGT); |
| tmp |= DYN_SPREAD_SPECTRUM_EN; |
| WREG32_SMC(GENERAL_PWRMGT, tmp); |
| } |
| } else { |
| tmp = RREG32_SMC(CG_SPLL_SPREAD_SPECTRUM); |
| tmp &= ~SSEN; |
| WREG32_SMC(CG_SPLL_SPREAD_SPECTRUM, tmp); |
| |
| tmp = RREG32_SMC(GENERAL_PWRMGT); |
| tmp &= ~DYN_SPREAD_SPECTRUM_EN; |
| WREG32_SMC(GENERAL_PWRMGT, tmp); |
| } |
| } |
| |
| static void ci_program_sstp(struct radeon_device *rdev) |
| { |
| WREG32_SMC(CG_SSP, (SSTU(R600_SSTU_DFLT) | SST(R600_SST_DFLT))); |
| } |
| |
| static void ci_enable_display_gap(struct radeon_device *rdev) |
| { |
| u32 tmp = RREG32_SMC(CG_DISPLAY_GAP_CNTL); |
| |
| tmp &= ~(DISP_GAP_MASK | DISP_GAP_MCHG_MASK); |
| tmp |= (DISP_GAP(R600_PM_DISPLAY_GAP_IGNORE) | |
| DISP_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK)); |
| |
| WREG32_SMC(CG_DISPLAY_GAP_CNTL, tmp); |
| } |
| |
| static void ci_program_vc(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| |
| tmp = RREG32_SMC(SCLK_PWRMGT_CNTL); |
| tmp &= ~(RESET_SCLK_CNT | RESET_BUSY_CNT); |
| WREG32_SMC(SCLK_PWRMGT_CNTL, tmp); |
| |
| WREG32_SMC(CG_FTV_0, CISLANDS_VRC_DFLT0); |
| WREG32_SMC(CG_FTV_1, CISLANDS_VRC_DFLT1); |
| WREG32_SMC(CG_FTV_2, CISLANDS_VRC_DFLT2); |
| WREG32_SMC(CG_FTV_3, CISLANDS_VRC_DFLT3); |
| WREG32_SMC(CG_FTV_4, CISLANDS_VRC_DFLT4); |
| WREG32_SMC(CG_FTV_5, CISLANDS_VRC_DFLT5); |
| WREG32_SMC(CG_FTV_6, CISLANDS_VRC_DFLT6); |
| WREG32_SMC(CG_FTV_7, CISLANDS_VRC_DFLT7); |
| } |
| |
| static void ci_clear_vc(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| |
| tmp = RREG32_SMC(SCLK_PWRMGT_CNTL); |
| tmp |= (RESET_SCLK_CNT | RESET_BUSY_CNT); |
| WREG32_SMC(SCLK_PWRMGT_CNTL, tmp); |
| |
| WREG32_SMC(CG_FTV_0, 0); |
| WREG32_SMC(CG_FTV_1, 0); |
| WREG32_SMC(CG_FTV_2, 0); |
| WREG32_SMC(CG_FTV_3, 0); |
| WREG32_SMC(CG_FTV_4, 0); |
| WREG32_SMC(CG_FTV_5, 0); |
| WREG32_SMC(CG_FTV_6, 0); |
| WREG32_SMC(CG_FTV_7, 0); |
| } |
| |
| static int ci_upload_firmware(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| int i, ret; |
| |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| if (RREG32_SMC(RCU_UC_EVENTS) & BOOT_SEQ_DONE) |
| break; |
| } |
| WREG32_SMC(SMC_SYSCON_MISC_CNTL, 1); |
| |
| ci_stop_smc_clock(rdev); |
| ci_reset_smc(rdev); |
| |
| ret = ci_load_smc_ucode(rdev, pi->sram_end); |
| |
| return ret; |
| |
| } |
| |
| static int ci_get_svi2_voltage_table(struct radeon_device *rdev, |
| struct radeon_clock_voltage_dependency_table *voltage_dependency_table, |
| struct atom_voltage_table *voltage_table) |
| { |
| u32 i; |
| |
| if (voltage_dependency_table == NULL) |
| return -EINVAL; |
| |
| voltage_table->mask_low = 0; |
| voltage_table->phase_delay = 0; |
| |
| voltage_table->count = voltage_dependency_table->count; |
| for (i = 0; i < voltage_table->count; i++) { |
| voltage_table->entries[i].value = voltage_dependency_table->entries[i].v; |
| voltage_table->entries[i].smio_low = 0; |
| } |
| |
| return 0; |
| } |
| |
| static int ci_construct_voltage_tables(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| int ret; |
| |
| if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) { |
| ret = radeon_atom_get_voltage_table(rdev, VOLTAGE_TYPE_VDDC, |
| VOLTAGE_OBJ_GPIO_LUT, |
| &pi->vddc_voltage_table); |
| if (ret) |
| return ret; |
| } else if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2) { |
| ret = ci_get_svi2_voltage_table(rdev, |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, |
| &pi->vddc_voltage_table); |
| if (ret) |
| return ret; |
| } |
| |
| if (pi->vddc_voltage_table.count > SMU7_MAX_LEVELS_VDDC) |
| si_trim_voltage_table_to_fit_state_table(rdev, SMU7_MAX_LEVELS_VDDC, |
| &pi->vddc_voltage_table); |
| |
| if (pi->vddci_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) { |
| ret = radeon_atom_get_voltage_table(rdev, VOLTAGE_TYPE_VDDCI, |
| VOLTAGE_OBJ_GPIO_LUT, |
| &pi->vddci_voltage_table); |
| if (ret) |
| return ret; |
| } else if (pi->vddci_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2) { |
| ret = ci_get_svi2_voltage_table(rdev, |
| &rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk, |
| &pi->vddci_voltage_table); |
| if (ret) |
| return ret; |
| } |
| |
| if (pi->vddci_voltage_table.count > SMU7_MAX_LEVELS_VDDCI) |
| si_trim_voltage_table_to_fit_state_table(rdev, SMU7_MAX_LEVELS_VDDCI, |
| &pi->vddci_voltage_table); |
| |
| if (pi->mvdd_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) { |
| ret = radeon_atom_get_voltage_table(rdev, VOLTAGE_TYPE_MVDDC, |
| VOLTAGE_OBJ_GPIO_LUT, |
| &pi->mvdd_voltage_table); |
| if (ret) |
| return ret; |
| } else if (pi->mvdd_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2) { |
| ret = ci_get_svi2_voltage_table(rdev, |
| &rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk, |
| &pi->mvdd_voltage_table); |
| if (ret) |
| return ret; |
| } |
| |
| if (pi->mvdd_voltage_table.count > SMU7_MAX_LEVELS_MVDD) |
| si_trim_voltage_table_to_fit_state_table(rdev, SMU7_MAX_LEVELS_MVDD, |
| &pi->mvdd_voltage_table); |
| |
| return 0; |
| } |
| |
| static void ci_populate_smc_voltage_table(struct radeon_device *rdev, |
| struct atom_voltage_table_entry *voltage_table, |
| SMU7_Discrete_VoltageLevel *smc_voltage_table) |
| { |
| int ret; |
| |
| ret = ci_get_std_voltage_value_sidd(rdev, voltage_table, |
| &smc_voltage_table->StdVoltageHiSidd, |
| &smc_voltage_table->StdVoltageLoSidd); |
| |
| if (ret) { |
| smc_voltage_table->StdVoltageHiSidd = voltage_table->value * VOLTAGE_SCALE; |
| smc_voltage_table->StdVoltageLoSidd = voltage_table->value * VOLTAGE_SCALE; |
| } |
| |
| smc_voltage_table->Voltage = cpu_to_be16(voltage_table->value * VOLTAGE_SCALE); |
| smc_voltage_table->StdVoltageHiSidd = |
| cpu_to_be16(smc_voltage_table->StdVoltageHiSidd); |
| smc_voltage_table->StdVoltageLoSidd = |
| cpu_to_be16(smc_voltage_table->StdVoltageLoSidd); |
| } |
| |
| static int ci_populate_smc_vddc_table(struct radeon_device *rdev, |
| SMU7_Discrete_DpmTable *table) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| unsigned int count; |
| |
| table->VddcLevelCount = pi->vddc_voltage_table.count; |
| for (count = 0; count < table->VddcLevelCount; count++) { |
| ci_populate_smc_voltage_table(rdev, |
| &pi->vddc_voltage_table.entries[count], |
| &table->VddcLevel[count]); |
| |
| if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) |
| table->VddcLevel[count].Smio |= |
| pi->vddc_voltage_table.entries[count].smio_low; |
| else |
| table->VddcLevel[count].Smio = 0; |
| } |
| table->VddcLevelCount = cpu_to_be32(table->VddcLevelCount); |
| |
| return 0; |
| } |
| |
| static int ci_populate_smc_vddci_table(struct radeon_device *rdev, |
| SMU7_Discrete_DpmTable *table) |
| { |
| unsigned int count; |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| table->VddciLevelCount = pi->vddci_voltage_table.count; |
| for (count = 0; count < table->VddciLevelCount; count++) { |
| ci_populate_smc_voltage_table(rdev, |
| &pi->vddci_voltage_table.entries[count], |
| &table->VddciLevel[count]); |
| |
| if (pi->vddci_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) |
| table->VddciLevel[count].Smio |= |
| pi->vddci_voltage_table.entries[count].smio_low; |
| else |
| table->VddciLevel[count].Smio = 0; |
| } |
| table->VddciLevelCount = cpu_to_be32(table->VddciLevelCount); |
| |
| return 0; |
| } |
| |
| static int ci_populate_smc_mvdd_table(struct radeon_device *rdev, |
| SMU7_Discrete_DpmTable *table) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| unsigned int count; |
| |
| table->MvddLevelCount = pi->mvdd_voltage_table.count; |
| for (count = 0; count < table->MvddLevelCount; count++) { |
| ci_populate_smc_voltage_table(rdev, |
| &pi->mvdd_voltage_table.entries[count], |
| &table->MvddLevel[count]); |
| |
| if (pi->mvdd_control == CISLANDS_VOLTAGE_CONTROL_BY_GPIO) |
| table->MvddLevel[count].Smio |= |
| pi->mvdd_voltage_table.entries[count].smio_low; |
| else |
| table->MvddLevel[count].Smio = 0; |
| } |
| table->MvddLevelCount = cpu_to_be32(table->MvddLevelCount); |
| |
| return 0; |
| } |
| |
| static int ci_populate_smc_voltage_tables(struct radeon_device *rdev, |
| SMU7_Discrete_DpmTable *table) |
| { |
| int ret; |
| |
| ret = ci_populate_smc_vddc_table(rdev, table); |
| if (ret) |
| return ret; |
| |
| ret = ci_populate_smc_vddci_table(rdev, table); |
| if (ret) |
| return ret; |
| |
| ret = ci_populate_smc_mvdd_table(rdev, table); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int ci_populate_mvdd_value(struct radeon_device *rdev, u32 mclk, |
| SMU7_Discrete_VoltageLevel *voltage) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 i = 0; |
| |
| if (pi->mvdd_control != CISLANDS_VOLTAGE_CONTROL_NONE) { |
| for (i = 0; i < rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.count; i++) { |
| if (mclk <= rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.entries[i].clk) { |
| voltage->Voltage = pi->mvdd_voltage_table.entries[i].value; |
| break; |
| } |
| } |
| |
| if (i >= rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.count) |
| return -EINVAL; |
| } |
| |
| return -EINVAL; |
| } |
| |
| static int ci_get_std_voltage_value_sidd(struct radeon_device *rdev, |
| struct atom_voltage_table_entry *voltage_table, |
| u16 *std_voltage_hi_sidd, u16 *std_voltage_lo_sidd) |
| { |
| u16 v_index, idx; |
| bool voltage_found = false; |
| *std_voltage_hi_sidd = voltage_table->value * VOLTAGE_SCALE; |
| *std_voltage_lo_sidd = voltage_table->value * VOLTAGE_SCALE; |
| |
| if (rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries == NULL) |
| return -EINVAL; |
| |
| if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries) { |
| for (v_index = 0; (u32)v_index < rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count; v_index++) { |
| if (voltage_table->value == |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[v_index].v) { |
| voltage_found = true; |
| if ((u32)v_index < rdev->pm.dpm.dyn_state.cac_leakage_table.count) |
| idx = v_index; |
| else |
| idx = rdev->pm.dpm.dyn_state.cac_leakage_table.count - 1; |
| *std_voltage_lo_sidd = |
| rdev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].vddc * VOLTAGE_SCALE; |
| *std_voltage_hi_sidd = |
| rdev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].leakage * VOLTAGE_SCALE; |
| break; |
| } |
| } |
| |
| if (!voltage_found) { |
| for (v_index = 0; (u32)v_index < rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count; v_index++) { |
| if (voltage_table->value <= |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[v_index].v) { |
| voltage_found = true; |
| if ((u32)v_index < rdev->pm.dpm.dyn_state.cac_leakage_table.count) |
| idx = v_index; |
| else |
| idx = rdev->pm.dpm.dyn_state.cac_leakage_table.count - 1; |
| *std_voltage_lo_sidd = |
| rdev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].vddc * VOLTAGE_SCALE; |
| *std_voltage_hi_sidd = |
| rdev->pm.dpm.dyn_state.cac_leakage_table.entries[idx].leakage * VOLTAGE_SCALE; |
| break; |
| } |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| static void ci_populate_phase_value_based_on_sclk(struct radeon_device *rdev, |
| const struct radeon_phase_shedding_limits_table *limits, |
| u32 sclk, |
| u32 *phase_shedding) |
| { |
| unsigned int i; |
| |
| *phase_shedding = 1; |
| |
| for (i = 0; i < limits->count; i++) { |
| if (sclk < limits->entries[i].sclk) { |
| *phase_shedding = i; |
| break; |
| } |
| } |
| } |
| |
| static void ci_populate_phase_value_based_on_mclk(struct radeon_device *rdev, |
| const struct radeon_phase_shedding_limits_table *limits, |
| u32 mclk, |
| u32 *phase_shedding) |
| { |
| unsigned int i; |
| |
| *phase_shedding = 1; |
| |
| for (i = 0; i < limits->count; i++) { |
| if (mclk < limits->entries[i].mclk) { |
| *phase_shedding = i; |
| break; |
| } |
| } |
| } |
| |
| static int ci_init_arb_table_index(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 tmp; |
| int ret; |
| |
| ret = ci_read_smc_sram_dword(rdev, pi->arb_table_start, |
| &tmp, pi->sram_end); |
| if (ret) |
| return ret; |
| |
| tmp &= 0x00FFFFFF; |
| tmp |= MC_CG_ARB_FREQ_F1 << 24; |
| |
| return ci_write_smc_sram_dword(rdev, pi->arb_table_start, |
| tmp, pi->sram_end); |
| } |
| |
| static int ci_get_dependency_volt_by_clk(struct radeon_device *rdev, |
| struct radeon_clock_voltage_dependency_table *allowed_clock_voltage_table, |
| u32 clock, u32 *voltage) |
| { |
| u32 i = 0; |
| |
| if (allowed_clock_voltage_table->count == 0) |
| return -EINVAL; |
| |
| for (i = 0; i < allowed_clock_voltage_table->count; i++) { |
| if (allowed_clock_voltage_table->entries[i].clk >= clock) { |
| *voltage = allowed_clock_voltage_table->entries[i].v; |
| return 0; |
| } |
| } |
| |
| *voltage = allowed_clock_voltage_table->entries[i-1].v; |
| |
| return 0; |
| } |
| |
| static u8 ci_get_sleep_divider_id_from_clock(struct radeon_device *rdev, |
| u32 sclk, u32 min_sclk_in_sr) |
| { |
| u32 i; |
| u32 tmp; |
| u32 min = (min_sclk_in_sr > CISLAND_MINIMUM_ENGINE_CLOCK) ? |
| min_sclk_in_sr : CISLAND_MINIMUM_ENGINE_CLOCK; |
| |
| if (sclk < min) |
| return 0; |
| |
| for (i = CISLAND_MAX_DEEPSLEEP_DIVIDER_ID; ; i--) { |
| tmp = sclk / (1 << i); |
| if (tmp >= min || i == 0) |
| break; |
| } |
| |
| return (u8)i; |
| } |
| |
| static int ci_initial_switch_from_arb_f0_to_f1(struct radeon_device *rdev) |
| { |
| return ni_copy_and_switch_arb_sets(rdev, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1); |
| } |
| |
| static int ci_reset_to_default(struct radeon_device *rdev) |
| { |
| return (ci_send_msg_to_smc(rdev, PPSMC_MSG_ResetToDefaults) == PPSMC_Result_OK) ? |
| 0 : -EINVAL; |
| } |
| |
| static int ci_force_switch_to_arb_f0(struct radeon_device *rdev) |
| { |
| u32 tmp; |
| |
| tmp = (RREG32_SMC(SMC_SCRATCH9) & 0x0000ff00) >> 8; |
| |
| if (tmp == MC_CG_ARB_FREQ_F0) |
| return 0; |
| |
| return ni_copy_and_switch_arb_sets(rdev, tmp, MC_CG_ARB_FREQ_F0); |
| } |
| |
| static void ci_register_patching_mc_arb(struct radeon_device *rdev, |
| const u32 engine_clock, |
| const u32 memory_clock, |
| u32 *dram_timimg2) |
| { |
| bool patch; |
| u32 tmp, tmp2; |
| |
| tmp = RREG32(MC_SEQ_MISC0); |
| patch = ((tmp & 0x0000f00) == 0x300) ? true : false; |
| |
| if (patch && |
| ((rdev->pdev->device == 0x67B0) || |
| (rdev->pdev->device == 0x67B1))) { |
| if ((memory_clock > 100000) && (memory_clock <= 125000)) { |
| tmp2 = (((0x31 * engine_clock) / 125000) - 1) & 0xff; |
| *dram_timimg2 &= ~0x00ff0000; |
| *dram_timimg2 |= tmp2 << 16; |
| } else if ((memory_clock > 125000) && (memory_clock <= 137500)) { |
| tmp2 = (((0x36 * engine_clock) / 137500) - 1) & 0xff; |
| *dram_timimg2 &= ~0x00ff0000; |
| *dram_timimg2 |= tmp2 << 16; |
| } |
| } |
| } |
| |
| |
| static int ci_populate_memory_timing_parameters(struct radeon_device *rdev, |
| u32 sclk, |
| u32 mclk, |
| SMU7_Discrete_MCArbDramTimingTableEntry *arb_regs) |
| { |
| u32 dram_timing; |
| u32 dram_timing2; |
| u32 burst_time; |
| |
| radeon_atom_set_engine_dram_timings(rdev, sclk, mclk); |
| |
| dram_timing = RREG32(MC_ARB_DRAM_TIMING); |
| dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2); |
| burst_time = RREG32(MC_ARB_BURST_TIME) & STATE0_MASK; |
| |
| ci_register_patching_mc_arb(rdev, sclk, mclk, &dram_timing2); |
| |
| arb_regs->McArbDramTiming = cpu_to_be32(dram_timing); |
| arb_regs->McArbDramTiming2 = cpu_to_be32(dram_timing2); |
| arb_regs->McArbBurstTime = (u8)burst_time; |
| |
| return 0; |
| } |
| |
| static int ci_do_program_memory_timing_parameters(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| SMU7_Discrete_MCArbDramTimingTable arb_regs; |
| u32 i, j; |
| int ret = 0; |
| |
| memset(&arb_regs, 0, sizeof(SMU7_Discrete_MCArbDramTimingTable)); |
| |
| for (i = 0; i < pi->dpm_table.sclk_table.count; i++) { |
| for (j = 0; j < pi->dpm_table.mclk_table.count; j++) { |
| ret = ci_populate_memory_timing_parameters(rdev, |
| pi->dpm_table.sclk_table.dpm_levels[i].value, |
| pi->dpm_table.mclk_table.dpm_levels[j].value, |
| &arb_regs.entries[i][j]); |
| if (ret) |
| break; |
| } |
| } |
| |
| if (ret == 0) |
| ret = ci_copy_bytes_to_smc(rdev, |
| pi->arb_table_start, |
| (u8 *)&arb_regs, |
| sizeof(SMU7_Discrete_MCArbDramTimingTable), |
| pi->sram_end); |
| |
| return ret; |
| } |
| |
| static int ci_program_memory_timing_parameters(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if (pi->need_update_smu7_dpm_table == 0) |
| return 0; |
| |
| return ci_do_program_memory_timing_parameters(rdev); |
| } |
| |
| static void ci_populate_smc_initial_state(struct radeon_device *rdev, |
| struct radeon_ps *radeon_boot_state) |
| { |
| struct ci_ps *boot_state = ci_get_ps(radeon_boot_state); |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 level = 0; |
| |
| for (level = 0; level < rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count; level++) { |
| if (rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[level].clk >= |
| boot_state->performance_levels[0].sclk) { |
| pi->smc_state_table.GraphicsBootLevel = level; |
| break; |
| } |
| } |
| |
| for (level = 0; level < rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.count; level++) { |
| if (rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries[level].clk >= |
| boot_state->performance_levels[0].mclk) { |
| pi->smc_state_table.MemoryBootLevel = level; |
| break; |
| } |
| } |
| } |
| |
| static u32 ci_get_dpm_level_enable_mask_value(struct ci_single_dpm_table *dpm_table) |
| { |
| u32 i; |
| u32 mask_value = 0; |
| |
| for (i = dpm_table->count; i > 0; i--) { |
| mask_value = mask_value << 1; |
| if (dpm_table->dpm_levels[i-1].enabled) |
| mask_value |= 0x1; |
| else |
| mask_value &= 0xFFFFFFFE; |
| } |
| |
| return mask_value; |
| } |
| |
| static void ci_populate_smc_link_level(struct radeon_device *rdev, |
| SMU7_Discrete_DpmTable *table) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_dpm_table *dpm_table = &pi->dpm_table; |
| u32 i; |
| |
| for (i = 0; i < dpm_table->pcie_speed_table.count; i++) { |
| table->LinkLevel[i].PcieGenSpeed = |
| (u8)dpm_table->pcie_speed_table.dpm_levels[i].value; |
| table->LinkLevel[i].PcieLaneCount = |
| r600_encode_pci_lane_width(dpm_table->pcie_speed_table.dpm_levels[i].param1); |
| table->LinkLevel[i].EnabledForActivity = 1; |
| table->LinkLevel[i].DownT = cpu_to_be32(5); |
| table->LinkLevel[i].UpT = cpu_to_be32(30); |
| } |
| |
| pi->smc_state_table.LinkLevelCount = (u8)dpm_table->pcie_speed_table.count; |
| pi->dpm_level_enable_mask.pcie_dpm_enable_mask = |
| ci_get_dpm_level_enable_mask_value(&dpm_table->pcie_speed_table); |
| } |
| |
| static int ci_populate_smc_uvd_level(struct radeon_device *rdev, |
| SMU7_Discrete_DpmTable *table) |
| { |
| u32 count; |
| struct atom_clock_dividers dividers; |
| int ret = -EINVAL; |
| |
| table->UvdLevelCount = |
| rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count; |
| |
| for (count = 0; count < table->UvdLevelCount; count++) { |
| table->UvdLevel[count].VclkFrequency = |
| rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[count].vclk; |
| table->UvdLevel[count].DclkFrequency = |
| rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[count].dclk; |
| table->UvdLevel[count].MinVddc = |
| rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[count].v * VOLTAGE_SCALE; |
| table->UvdLevel[count].MinVddcPhases = 1; |
| |
| ret = radeon_atom_get_clock_dividers(rdev, |
| COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, |
| table->UvdLevel[count].VclkFrequency, false, ÷rs); |
| if (ret) |
| return ret; |
| |
| table->UvdLevel[count].VclkDivider = (u8)dividers.post_divider; |
| |
| ret = radeon_atom_get_clock_dividers(rdev, |
| COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, |
| table->UvdLevel[count].DclkFrequency, false, ÷rs); |
| if (ret) |
| return ret; |
| |
| table->UvdLevel[count].DclkDivider = (u8)dividers.post_divider; |
| |
| table->UvdLevel[count].VclkFrequency = cpu_to_be32(table->UvdLevel[count].VclkFrequency); |
| table->UvdLevel[count].DclkFrequency = cpu_to_be32(table->UvdLevel[count].DclkFrequency); |
| table->UvdLevel[count].MinVddc = cpu_to_be16(table->UvdLevel[count].MinVddc); |
| } |
| |
| return ret; |
| } |
| |
| static int ci_populate_smc_vce_level(struct radeon_device *rdev, |
| SMU7_Discrete_DpmTable *table) |
| { |
| u32 count; |
| struct atom_clock_dividers dividers; |
| int ret = -EINVAL; |
| |
| table->VceLevelCount = |
| rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count; |
| |
| for (count = 0; count < table->VceLevelCount; count++) { |
| table->VceLevel[count].Frequency = |
| rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[count].evclk; |
| table->VceLevel[count].MinVoltage = |
| (u16)rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[count].v * VOLTAGE_SCALE; |
| table->VceLevel[count].MinPhases = 1; |
| |
| ret = radeon_atom_get_clock_dividers(rdev, |
| COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, |
| table->VceLevel[count].Frequency, false, ÷rs); |
| if (ret) |
| return ret; |
| |
| table->VceLevel[count].Divider = (u8)dividers.post_divider; |
| |
| table->VceLevel[count].Frequency = cpu_to_be32(table->VceLevel[count].Frequency); |
| table->VceLevel[count].MinVoltage = cpu_to_be16(table->VceLevel[count].MinVoltage); |
| } |
| |
| return ret; |
| |
| } |
| |
| static int ci_populate_smc_acp_level(struct radeon_device *rdev, |
| SMU7_Discrete_DpmTable *table) |
| { |
| u32 count; |
| struct atom_clock_dividers dividers; |
| int ret = -EINVAL; |
| |
| table->AcpLevelCount = (u8) |
| (rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count); |
| |
| for (count = 0; count < table->AcpLevelCount; count++) { |
| table->AcpLevel[count].Frequency = |
| rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[count].clk; |
| table->AcpLevel[count].MinVoltage = |
| rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[count].v; |
| table->AcpLevel[count].MinPhases = 1; |
| |
| ret = radeon_atom_get_clock_dividers(rdev, |
| COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, |
| table->AcpLevel[count].Frequency, false, ÷rs); |
| if (ret) |
| return ret; |
| |
| table->AcpLevel[count].Divider = (u8)dividers.post_divider; |
| |
| table->AcpLevel[count].Frequency = cpu_to_be32(table->AcpLevel[count].Frequency); |
| table->AcpLevel[count].MinVoltage = cpu_to_be16(table->AcpLevel[count].MinVoltage); |
| } |
| |
| return ret; |
| } |
| |
| static int ci_populate_smc_samu_level(struct radeon_device *rdev, |
| SMU7_Discrete_DpmTable *table) |
| { |
| u32 count; |
| struct atom_clock_dividers dividers; |
| int ret = -EINVAL; |
| |
| table->SamuLevelCount = |
| rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count; |
| |
| for (count = 0; count < table->SamuLevelCount; count++) { |
| table->SamuLevel[count].Frequency = |
| rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[count].clk; |
| table->SamuLevel[count].MinVoltage = |
| rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[count].v * VOLTAGE_SCALE; |
| table->SamuLevel[count].MinPhases = 1; |
| |
| ret = radeon_atom_get_clock_dividers(rdev, |
| COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, |
| table->SamuLevel[count].Frequency, false, ÷rs); |
| if (ret) |
| return ret; |
| |
| table->SamuLevel[count].Divider = (u8)dividers.post_divider; |
| |
| table->SamuLevel[count].Frequency = cpu_to_be32(table->SamuLevel[count].Frequency); |
| table->SamuLevel[count].MinVoltage = cpu_to_be16(table->SamuLevel[count].MinVoltage); |
| } |
| |
| return ret; |
| } |
| |
| static int ci_calculate_mclk_params(struct radeon_device *rdev, |
| u32 memory_clock, |
| SMU7_Discrete_MemoryLevel *mclk, |
| bool strobe_mode, |
| bool dll_state_on) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 dll_cntl = pi->clock_registers.dll_cntl; |
| u32 mclk_pwrmgt_cntl = pi->clock_registers.mclk_pwrmgt_cntl; |
| u32 mpll_ad_func_cntl = pi->clock_registers.mpll_ad_func_cntl; |
| u32 mpll_dq_func_cntl = pi->clock_registers.mpll_dq_func_cntl; |
| u32 mpll_func_cntl = pi->clock_registers.mpll_func_cntl; |
| u32 mpll_func_cntl_1 = pi->clock_registers.mpll_func_cntl_1; |
| u32 mpll_func_cntl_2 = pi->clock_registers.mpll_func_cntl_2; |
| u32 mpll_ss1 = pi->clock_registers.mpll_ss1; |
| u32 mpll_ss2 = pi->clock_registers.mpll_ss2; |
| struct atom_mpll_param mpll_param; |
| int ret; |
| |
| ret = radeon_atom_get_memory_pll_dividers(rdev, memory_clock, strobe_mode, &mpll_param); |
| if (ret) |
| return ret; |
| |
| mpll_func_cntl &= ~BWCTRL_MASK; |
| mpll_func_cntl |= BWCTRL(mpll_param.bwcntl); |
| |
| mpll_func_cntl_1 &= ~(CLKF_MASK | CLKFRAC_MASK | VCO_MODE_MASK); |
| mpll_func_cntl_1 |= CLKF(mpll_param.clkf) | |
| CLKFRAC(mpll_param.clkfrac) | VCO_MODE(mpll_param.vco_mode); |
| |
| mpll_ad_func_cntl &= ~YCLK_POST_DIV_MASK; |
| mpll_ad_func_cntl |= YCLK_POST_DIV(mpll_param.post_div); |
| |
| if (pi->mem_gddr5) { |
| mpll_dq_func_cntl &= ~(YCLK_SEL_MASK | YCLK_POST_DIV_MASK); |
| mpll_dq_func_cntl |= YCLK_SEL(mpll_param.yclk_sel) | |
| YCLK_POST_DIV(mpll_param.post_div); |
| } |
| |
| if (pi->caps_mclk_ss_support) { |
| struct radeon_atom_ss ss; |
| u32 freq_nom; |
| u32 tmp; |
| u32 reference_clock = rdev->clock.mpll.reference_freq; |
| |
| if (mpll_param.qdr == 1) |
| freq_nom = memory_clock * 4 * (1 << mpll_param.post_div); |
| else |
| freq_nom = memory_clock * 2 * (1 << mpll_param.post_div); |
| |
| tmp = (freq_nom / reference_clock); |
| tmp = tmp * tmp; |
| if (radeon_atombios_get_asic_ss_info(rdev, &ss, |
| ASIC_INTERNAL_MEMORY_SS, freq_nom)) { |
| u32 clks = reference_clock * 5 / ss.rate; |
| u32 clkv = (u32)((((131 * ss.percentage * ss.rate) / 100) * tmp) / freq_nom); |
| |
| mpll_ss1 &= ~CLKV_MASK; |
| mpll_ss1 |= CLKV(clkv); |
| |
| mpll_ss2 &= ~CLKS_MASK; |
| mpll_ss2 |= CLKS(clks); |
| } |
| } |
| |
| mclk_pwrmgt_cntl &= ~DLL_SPEED_MASK; |
| mclk_pwrmgt_cntl |= DLL_SPEED(mpll_param.dll_speed); |
| |
| if (dll_state_on) |
| mclk_pwrmgt_cntl |= MRDCK0_PDNB | MRDCK1_PDNB; |
| else |
| mclk_pwrmgt_cntl &= ~(MRDCK0_PDNB | MRDCK1_PDNB); |
| |
| mclk->MclkFrequency = memory_clock; |
| mclk->MpllFuncCntl = mpll_func_cntl; |
| mclk->MpllFuncCntl_1 = mpll_func_cntl_1; |
| mclk->MpllFuncCntl_2 = mpll_func_cntl_2; |
| mclk->MpllAdFuncCntl = mpll_ad_func_cntl; |
| mclk->MpllDqFuncCntl = mpll_dq_func_cntl; |
| mclk->MclkPwrmgtCntl = mclk_pwrmgt_cntl; |
| mclk->DllCntl = dll_cntl; |
| mclk->MpllSs1 = mpll_ss1; |
| mclk->MpllSs2 = mpll_ss2; |
| |
| return 0; |
| } |
| |
| static int ci_populate_single_memory_level(struct radeon_device *rdev, |
| u32 memory_clock, |
| SMU7_Discrete_MemoryLevel *memory_level) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| int ret; |
| bool dll_state_on; |
| |
| if (rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries) { |
| ret = ci_get_dependency_volt_by_clk(rdev, |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, |
| memory_clock, &memory_level->MinVddc); |
| if (ret) |
| return ret; |
| } |
| |
| if (rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries) { |
| ret = ci_get_dependency_volt_by_clk(rdev, |
| &rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk, |
| memory_clock, &memory_level->MinVddci); |
| if (ret) |
| return ret; |
| } |
| |
| if (rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.entries) { |
| ret = ci_get_dependency_volt_by_clk(rdev, |
| &rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk, |
| memory_clock, &memory_level->MinMvdd); |
| if (ret) |
| return ret; |
| } |
| |
| memory_level->MinVddcPhases = 1; |
| |
| if (pi->vddc_phase_shed_control) |
| ci_populate_phase_value_based_on_mclk(rdev, |
| &rdev->pm.dpm.dyn_state.phase_shedding_limits_table, |
| memory_clock, |
| &memory_level->MinVddcPhases); |
| |
| memory_level->EnabledForThrottle = 1; |
| memory_level->UpH = 0; |
| memory_level->DownH = 100; |
| memory_level->VoltageDownH = 0; |
| memory_level->ActivityLevel = (u16)pi->mclk_activity_target; |
| |
| memory_level->StutterEnable = false; |
| memory_level->StrobeEnable = false; |
| memory_level->EdcReadEnable = false; |
| memory_level->EdcWriteEnable = false; |
| memory_level->RttEnable = false; |
| |
| memory_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; |
| |
| if (pi->mclk_stutter_mode_threshold && |
| (memory_clock <= pi->mclk_stutter_mode_threshold) && |
| (pi->uvd_enabled == false) && |
| (RREG32(DPG_PIPE_STUTTER_CONTROL) & STUTTER_ENABLE) && |
| (rdev->pm.dpm.new_active_crtc_count <= 2)) |
| memory_level->StutterEnable = true; |
| |
| if (pi->mclk_strobe_mode_threshold && |
| (memory_clock <= pi->mclk_strobe_mode_threshold)) |
| memory_level->StrobeEnable = 1; |
| |
| if (pi->mem_gddr5) { |
| memory_level->StrobeRatio = |
| si_get_mclk_frequency_ratio(memory_clock, memory_level->StrobeEnable); |
| if (pi->mclk_edc_enable_threshold && |
| (memory_clock > pi->mclk_edc_enable_threshold)) |
| memory_level->EdcReadEnable = true; |
| |
| if (pi->mclk_edc_wr_enable_threshold && |
| (memory_clock > pi->mclk_edc_wr_enable_threshold)) |
| memory_level->EdcWriteEnable = true; |
| |
| if (memory_level->StrobeEnable) { |
| if (si_get_mclk_frequency_ratio(memory_clock, true) >= |
| ((RREG32(MC_SEQ_MISC7) >> 16) & 0xf)) |
| dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false; |
| else |
| dll_state_on = ((RREG32(MC_SEQ_MISC6) >> 1) & 0x1) ? true : false; |
| } else { |
| dll_state_on = pi->dll_default_on; |
| } |
| } else { |
| memory_level->StrobeRatio = si_get_ddr3_mclk_frequency_ratio(memory_clock); |
| dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false; |
| } |
| |
| ret = ci_calculate_mclk_params(rdev, memory_clock, memory_level, memory_level->StrobeEnable, dll_state_on); |
| if (ret) |
| return ret; |
| |
| memory_level->MinVddc = cpu_to_be32(memory_level->MinVddc * VOLTAGE_SCALE); |
| memory_level->MinVddcPhases = cpu_to_be32(memory_level->MinVddcPhases); |
| memory_level->MinVddci = cpu_to_be32(memory_level->MinVddci * VOLTAGE_SCALE); |
| memory_level->MinMvdd = cpu_to_be32(memory_level->MinMvdd * VOLTAGE_SCALE); |
| |
| memory_level->MclkFrequency = cpu_to_be32(memory_level->MclkFrequency); |
| memory_level->ActivityLevel = cpu_to_be16(memory_level->ActivityLevel); |
| memory_level->MpllFuncCntl = cpu_to_be32(memory_level->MpllFuncCntl); |
| memory_level->MpllFuncCntl_1 = cpu_to_be32(memory_level->MpllFuncCntl_1); |
| memory_level->MpllFuncCntl_2 = cpu_to_be32(memory_level->MpllFuncCntl_2); |
| memory_level->MpllAdFuncCntl = cpu_to_be32(memory_level->MpllAdFuncCntl); |
| memory_level->MpllDqFuncCntl = cpu_to_be32(memory_level->MpllDqFuncCntl); |
| memory_level->MclkPwrmgtCntl = cpu_to_be32(memory_level->MclkPwrmgtCntl); |
| memory_level->DllCntl = cpu_to_be32(memory_level->DllCntl); |
| memory_level->MpllSs1 = cpu_to_be32(memory_level->MpllSs1); |
| memory_level->MpllSs2 = cpu_to_be32(memory_level->MpllSs2); |
| |
| return 0; |
| } |
| |
| static int ci_populate_smc_acpi_level(struct radeon_device *rdev, |
| SMU7_Discrete_DpmTable *table) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct atom_clock_dividers dividers; |
| SMU7_Discrete_VoltageLevel voltage_level; |
| u32 spll_func_cntl = pi->clock_registers.cg_spll_func_cntl; |
| u32 spll_func_cntl_2 = pi->clock_registers.cg_spll_func_cntl_2; |
| u32 dll_cntl = pi->clock_registers.dll_cntl; |
| u32 mclk_pwrmgt_cntl = pi->clock_registers.mclk_pwrmgt_cntl; |
| int ret; |
| |
| table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC; |
| |
| if (pi->acpi_vddc) |
| table->ACPILevel.MinVddc = cpu_to_be32(pi->acpi_vddc * VOLTAGE_SCALE); |
| else |
| table->ACPILevel.MinVddc = cpu_to_be32(pi->min_vddc_in_pp_table * VOLTAGE_SCALE); |
| |
| table->ACPILevel.MinVddcPhases = pi->vddc_phase_shed_control ? 0 : 1; |
| |
| table->ACPILevel.SclkFrequency = rdev->clock.spll.reference_freq; |
| |
| ret = radeon_atom_get_clock_dividers(rdev, |
| COMPUTE_GPUCLK_INPUT_FLAG_SCLK, |
| table->ACPILevel.SclkFrequency, false, ÷rs); |
| if (ret) |
| return ret; |
| |
| table->ACPILevel.SclkDid = (u8)dividers.post_divider; |
| table->ACPILevel.DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; |
| table->ACPILevel.DeepSleepDivId = 0; |
| |
| spll_func_cntl &= ~SPLL_PWRON; |
| spll_func_cntl |= SPLL_RESET; |
| |
| spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK; |
| spll_func_cntl_2 |= SCLK_MUX_SEL(4); |
| |
| table->ACPILevel.CgSpllFuncCntl = spll_func_cntl; |
| table->ACPILevel.CgSpllFuncCntl2 = spll_func_cntl_2; |
| table->ACPILevel.CgSpllFuncCntl3 = pi->clock_registers.cg_spll_func_cntl_3; |
| table->ACPILevel.CgSpllFuncCntl4 = pi->clock_registers.cg_spll_func_cntl_4; |
| table->ACPILevel.SpllSpreadSpectrum = pi->clock_registers.cg_spll_spread_spectrum; |
| table->ACPILevel.SpllSpreadSpectrum2 = pi->clock_registers.cg_spll_spread_spectrum_2; |
| table->ACPILevel.CcPwrDynRm = 0; |
| table->ACPILevel.CcPwrDynRm1 = 0; |
| |
| table->ACPILevel.Flags = cpu_to_be32(table->ACPILevel.Flags); |
| table->ACPILevel.MinVddcPhases = cpu_to_be32(table->ACPILevel.MinVddcPhases); |
| table->ACPILevel.SclkFrequency = cpu_to_be32(table->ACPILevel.SclkFrequency); |
| table->ACPILevel.CgSpllFuncCntl = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl); |
| table->ACPILevel.CgSpllFuncCntl2 = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl2); |
| table->ACPILevel.CgSpllFuncCntl3 = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl3); |
| table->ACPILevel.CgSpllFuncCntl4 = cpu_to_be32(table->ACPILevel.CgSpllFuncCntl4); |
| table->ACPILevel.SpllSpreadSpectrum = cpu_to_be32(table->ACPILevel.SpllSpreadSpectrum); |
| table->ACPILevel.SpllSpreadSpectrum2 = cpu_to_be32(table->ACPILevel.SpllSpreadSpectrum2); |
| table->ACPILevel.CcPwrDynRm = cpu_to_be32(table->ACPILevel.CcPwrDynRm); |
| table->ACPILevel.CcPwrDynRm1 = cpu_to_be32(table->ACPILevel.CcPwrDynRm1); |
| |
| table->MemoryACPILevel.MinVddc = table->ACPILevel.MinVddc; |
| table->MemoryACPILevel.MinVddcPhases = table->ACPILevel.MinVddcPhases; |
| |
| if (pi->vddci_control != CISLANDS_VOLTAGE_CONTROL_NONE) { |
| if (pi->acpi_vddci) |
| table->MemoryACPILevel.MinVddci = |
| cpu_to_be32(pi->acpi_vddci * VOLTAGE_SCALE); |
| else |
| table->MemoryACPILevel.MinVddci = |
| cpu_to_be32(pi->min_vddci_in_pp_table * VOLTAGE_SCALE); |
| } |
| |
| if (ci_populate_mvdd_value(rdev, 0, &voltage_level)) |
| table->MemoryACPILevel.MinMvdd = 0; |
| else |
| table->MemoryACPILevel.MinMvdd = |
| cpu_to_be32(voltage_level.Voltage * VOLTAGE_SCALE); |
| |
| mclk_pwrmgt_cntl |= MRDCK0_RESET | MRDCK1_RESET; |
| mclk_pwrmgt_cntl &= ~(MRDCK0_PDNB | MRDCK1_PDNB); |
| |
| dll_cntl &= ~(MRDCK0_BYPASS | MRDCK1_BYPASS); |
| |
| table->MemoryACPILevel.DllCntl = cpu_to_be32(dll_cntl); |
| table->MemoryACPILevel.MclkPwrmgtCntl = cpu_to_be32(mclk_pwrmgt_cntl); |
| table->MemoryACPILevel.MpllAdFuncCntl = |
| cpu_to_be32(pi->clock_registers.mpll_ad_func_cntl); |
| table->MemoryACPILevel.MpllDqFuncCntl = |
| cpu_to_be32(pi->clock_registers.mpll_dq_func_cntl); |
| table->MemoryACPILevel.MpllFuncCntl = |
| cpu_to_be32(pi->clock_registers.mpll_func_cntl); |
| table->MemoryACPILevel.MpllFuncCntl_1 = |
| cpu_to_be32(pi->clock_registers.mpll_func_cntl_1); |
| table->MemoryACPILevel.MpllFuncCntl_2 = |
| cpu_to_be32(pi->clock_registers.mpll_func_cntl_2); |
| table->MemoryACPILevel.MpllSs1 = cpu_to_be32(pi->clock_registers.mpll_ss1); |
| table->MemoryACPILevel.MpllSs2 = cpu_to_be32(pi->clock_registers.mpll_ss2); |
| |
| table->MemoryACPILevel.EnabledForThrottle = 0; |
| table->MemoryACPILevel.EnabledForActivity = 0; |
| table->MemoryACPILevel.UpH = 0; |
| table->MemoryACPILevel.DownH = 100; |
| table->MemoryACPILevel.VoltageDownH = 0; |
| table->MemoryACPILevel.ActivityLevel = |
| cpu_to_be16((u16)pi->mclk_activity_target); |
| |
| table->MemoryACPILevel.StutterEnable = false; |
| table->MemoryACPILevel.StrobeEnable = false; |
| table->MemoryACPILevel.EdcReadEnable = false; |
| table->MemoryACPILevel.EdcWriteEnable = false; |
| table->MemoryACPILevel.RttEnable = false; |
| |
| return 0; |
| } |
| |
| |
| static int ci_enable_ulv(struct radeon_device *rdev, bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_ulv_parm *ulv = &pi->ulv; |
| |
| if (ulv->supported) { |
| if (enable) |
| return (ci_send_msg_to_smc(rdev, PPSMC_MSG_EnableULV) == PPSMC_Result_OK) ? |
| 0 : -EINVAL; |
| else |
| return (ci_send_msg_to_smc(rdev, PPSMC_MSG_DisableULV) == PPSMC_Result_OK) ? |
| 0 : -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int ci_populate_ulv_level(struct radeon_device *rdev, |
| SMU7_Discrete_Ulv *state) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u16 ulv_voltage = rdev->pm.dpm.backbias_response_time; |
| |
| state->CcPwrDynRm = 0; |
| state->CcPwrDynRm1 = 0; |
| |
| if (ulv_voltage == 0) { |
| pi->ulv.supported = false; |
| return 0; |
| } |
| |
| if (pi->voltage_control != CISLANDS_VOLTAGE_CONTROL_BY_SVID2) { |
| if (ulv_voltage > rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v) |
| state->VddcOffset = 0; |
| else |
| state->VddcOffset = |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v - ulv_voltage; |
| } else { |
| if (ulv_voltage > rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v) |
| state->VddcOffsetVid = 0; |
| else |
| state->VddcOffsetVid = (u8) |
| ((rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[0].v - ulv_voltage) * |
| VOLTAGE_VID_OFFSET_SCALE2 / VOLTAGE_VID_OFFSET_SCALE1); |
| } |
| state->VddcPhase = pi->vddc_phase_shed_control ? 0 : 1; |
| |
| state->CcPwrDynRm = cpu_to_be32(state->CcPwrDynRm); |
| state->CcPwrDynRm1 = cpu_to_be32(state->CcPwrDynRm1); |
| state->VddcOffset = cpu_to_be16(state->VddcOffset); |
| |
| return 0; |
| } |
| |
| static int ci_calculate_sclk_params(struct radeon_device *rdev, |
| u32 engine_clock, |
| SMU7_Discrete_GraphicsLevel *sclk) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct atom_clock_dividers dividers; |
| u32 spll_func_cntl_3 = pi->clock_registers.cg_spll_func_cntl_3; |
| u32 spll_func_cntl_4 = pi->clock_registers.cg_spll_func_cntl_4; |
| u32 cg_spll_spread_spectrum = pi->clock_registers.cg_spll_spread_spectrum; |
| u32 cg_spll_spread_spectrum_2 = pi->clock_registers.cg_spll_spread_spectrum_2; |
| u32 reference_clock = rdev->clock.spll.reference_freq; |
| u32 reference_divider; |
| u32 fbdiv; |
| int ret; |
| |
| ret = radeon_atom_get_clock_dividers(rdev, |
| COMPUTE_GPUCLK_INPUT_FLAG_SCLK, |
| engine_clock, false, ÷rs); |
| if (ret) |
| return ret; |
| |
| reference_divider = 1 + dividers.ref_div; |
| fbdiv = dividers.fb_div & 0x3FFFFFF; |
| |
| spll_func_cntl_3 &= ~SPLL_FB_DIV_MASK; |
| spll_func_cntl_3 |= SPLL_FB_DIV(fbdiv); |
| spll_func_cntl_3 |= SPLL_DITHEN; |
| |
| if (pi->caps_sclk_ss_support) { |
| struct radeon_atom_ss ss; |
| u32 vco_freq = engine_clock * dividers.post_div; |
| |
| if (radeon_atombios_get_asic_ss_info(rdev, &ss, |
| ASIC_INTERNAL_ENGINE_SS, vco_freq)) { |
| u32 clk_s = reference_clock * 5 / (reference_divider * ss.rate); |
| u32 clk_v = 4 * ss.percentage * fbdiv / (clk_s * 10000); |
| |
| cg_spll_spread_spectrum &= ~CLK_S_MASK; |
| cg_spll_spread_spectrum |= CLK_S(clk_s); |
| cg_spll_spread_spectrum |= SSEN; |
| |
| cg_spll_spread_spectrum_2 &= ~CLK_V_MASK; |
| cg_spll_spread_spectrum_2 |= CLK_V(clk_v); |
| } |
| } |
| |
| sclk->SclkFrequency = engine_clock; |
| sclk->CgSpllFuncCntl3 = spll_func_cntl_3; |
| sclk->CgSpllFuncCntl4 = spll_func_cntl_4; |
| sclk->SpllSpreadSpectrum = cg_spll_spread_spectrum; |
| sclk->SpllSpreadSpectrum2 = cg_spll_spread_spectrum_2; |
| sclk->SclkDid = (u8)dividers.post_divider; |
| |
| return 0; |
| } |
| |
| static int ci_populate_single_graphic_level(struct radeon_device *rdev, |
| u32 engine_clock, |
| u16 sclk_activity_level_t, |
| SMU7_Discrete_GraphicsLevel *graphic_level) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| int ret; |
| |
| ret = ci_calculate_sclk_params(rdev, engine_clock, graphic_level); |
| if (ret) |
| return ret; |
| |
| ret = ci_get_dependency_volt_by_clk(rdev, |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk, |
| engine_clock, &graphic_level->MinVddc); |
| if (ret) |
| return ret; |
| |
| graphic_level->SclkFrequency = engine_clock; |
| |
| graphic_level->Flags = 0; |
| graphic_level->MinVddcPhases = 1; |
| |
| if (pi->vddc_phase_shed_control) |
| ci_populate_phase_value_based_on_sclk(rdev, |
| &rdev->pm.dpm.dyn_state.phase_shedding_limits_table, |
| engine_clock, |
| &graphic_level->MinVddcPhases); |
| |
| graphic_level->ActivityLevel = sclk_activity_level_t; |
| |
| graphic_level->CcPwrDynRm = 0; |
| graphic_level->CcPwrDynRm1 = 0; |
| graphic_level->EnabledForThrottle = 1; |
| graphic_level->UpH = 0; |
| graphic_level->DownH = 0; |
| graphic_level->VoltageDownH = 0; |
| graphic_level->PowerThrottle = 0; |
| |
| if (pi->caps_sclk_ds) |
| graphic_level->DeepSleepDivId = ci_get_sleep_divider_id_from_clock(rdev, |
| engine_clock, |
| CISLAND_MINIMUM_ENGINE_CLOCK); |
| |
| graphic_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW; |
| |
| graphic_level->Flags = cpu_to_be32(graphic_level->Flags); |
| graphic_level->MinVddc = cpu_to_be32(graphic_level->MinVddc * VOLTAGE_SCALE); |
| graphic_level->MinVddcPhases = cpu_to_be32(graphic_level->MinVddcPhases); |
| graphic_level->SclkFrequency = cpu_to_be32(graphic_level->SclkFrequency); |
| graphic_level->ActivityLevel = cpu_to_be16(graphic_level->ActivityLevel); |
| graphic_level->CgSpllFuncCntl3 = cpu_to_be32(graphic_level->CgSpllFuncCntl3); |
| graphic_level->CgSpllFuncCntl4 = cpu_to_be32(graphic_level->CgSpllFuncCntl4); |
| graphic_level->SpllSpreadSpectrum = cpu_to_be32(graphic_level->SpllSpreadSpectrum); |
| graphic_level->SpllSpreadSpectrum2 = cpu_to_be32(graphic_level->SpllSpreadSpectrum2); |
| graphic_level->CcPwrDynRm = cpu_to_be32(graphic_level->CcPwrDynRm); |
| graphic_level->CcPwrDynRm1 = cpu_to_be32(graphic_level->CcPwrDynRm1); |
| |
| return 0; |
| } |
| |
| static int ci_populate_all_graphic_levels(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_dpm_table *dpm_table = &pi->dpm_table; |
| u32 level_array_address = pi->dpm_table_start + |
| offsetof(SMU7_Discrete_DpmTable, GraphicsLevel); |
| u32 level_array_size = sizeof(SMU7_Discrete_GraphicsLevel) * |
| SMU7_MAX_LEVELS_GRAPHICS; |
| SMU7_Discrete_GraphicsLevel *levels = pi->smc_state_table.GraphicsLevel; |
| u32 i, ret; |
| |
| memset(levels, 0, level_array_size); |
| |
| for (i = 0; i < dpm_table->sclk_table.count; i++) { |
| ret = ci_populate_single_graphic_level(rdev, |
| dpm_table->sclk_table.dpm_levels[i].value, |
| (u16)pi->activity_target[i], |
| &pi->smc_state_table.GraphicsLevel[i]); |
| if (ret) |
| return ret; |
| if (i > 1) |
| pi->smc_state_table.GraphicsLevel[i].DeepSleepDivId = 0; |
| if (i == (dpm_table->sclk_table.count - 1)) |
| pi->smc_state_table.GraphicsLevel[i].DisplayWatermark = |
| PPSMC_DISPLAY_WATERMARK_HIGH; |
| } |
| pi->smc_state_table.GraphicsLevel[0].EnabledForActivity = 1; |
| |
| pi->smc_state_table.GraphicsDpmLevelCount = (u8)dpm_table->sclk_table.count; |
| pi->dpm_level_enable_mask.sclk_dpm_enable_mask = |
| ci_get_dpm_level_enable_mask_value(&dpm_table->sclk_table); |
| |
| ret = ci_copy_bytes_to_smc(rdev, level_array_address, |
| (u8 *)levels, level_array_size, |
| pi->sram_end); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int ci_populate_ulv_state(struct radeon_device *rdev, |
| SMU7_Discrete_Ulv *ulv_level) |
| { |
| return ci_populate_ulv_level(rdev, ulv_level); |
| } |
| |
| static int ci_populate_all_memory_levels(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_dpm_table *dpm_table = &pi->dpm_table; |
| u32 level_array_address = pi->dpm_table_start + |
| offsetof(SMU7_Discrete_DpmTable, MemoryLevel); |
| u32 level_array_size = sizeof(SMU7_Discrete_MemoryLevel) * |
| SMU7_MAX_LEVELS_MEMORY; |
| SMU7_Discrete_MemoryLevel *levels = pi->smc_state_table.MemoryLevel; |
| u32 i, ret; |
| |
| memset(levels, 0, level_array_size); |
| |
| for (i = 0; i < dpm_table->mclk_table.count; i++) { |
| if (dpm_table->mclk_table.dpm_levels[i].value == 0) |
| return -EINVAL; |
| ret = ci_populate_single_memory_level(rdev, |
| dpm_table->mclk_table.dpm_levels[i].value, |
| &pi->smc_state_table.MemoryLevel[i]); |
| if (ret) |
| return ret; |
| } |
| |
| pi->smc_state_table.MemoryLevel[0].EnabledForActivity = 1; |
| |
| if ((dpm_table->mclk_table.count >= 2) && |
| ((rdev->pdev->device == 0x67B0) || (rdev->pdev->device == 0x67B1))) { |
| pi->smc_state_table.MemoryLevel[1].MinVddc = |
| pi->smc_state_table.MemoryLevel[0].MinVddc; |
| pi->smc_state_table.MemoryLevel[1].MinVddcPhases = |
| pi->smc_state_table.MemoryLevel[0].MinVddcPhases; |
| } |
| |
| pi->smc_state_table.MemoryLevel[0].ActivityLevel = cpu_to_be16(0x1F); |
| |
| pi->smc_state_table.MemoryDpmLevelCount = (u8)dpm_table->mclk_table.count; |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask = |
| ci_get_dpm_level_enable_mask_value(&dpm_table->mclk_table); |
| |
| pi->smc_state_table.MemoryLevel[dpm_table->mclk_table.count - 1].DisplayWatermark = |
| PPSMC_DISPLAY_WATERMARK_HIGH; |
| |
| ret = ci_copy_bytes_to_smc(rdev, level_array_address, |
| (u8 *)levels, level_array_size, |
| pi->sram_end); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| static void ci_reset_single_dpm_table(struct radeon_device *rdev, |
| struct ci_single_dpm_table* dpm_table, |
| u32 count) |
| { |
| u32 i; |
| |
| dpm_table->count = count; |
| for (i = 0; i < MAX_REGULAR_DPM_NUMBER; i++) |
| dpm_table->dpm_levels[i].enabled = false; |
| } |
| |
| static void ci_setup_pcie_table_entry(struct ci_single_dpm_table* dpm_table, |
| u32 index, u32 pcie_gen, u32 pcie_lanes) |
| { |
| dpm_table->dpm_levels[index].value = pcie_gen; |
| dpm_table->dpm_levels[index].param1 = pcie_lanes; |
| dpm_table->dpm_levels[index].enabled = true; |
| } |
| |
| static int ci_setup_default_pcie_tables(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if (!pi->use_pcie_performance_levels && !pi->use_pcie_powersaving_levels) |
| return -EINVAL; |
| |
| if (pi->use_pcie_performance_levels && !pi->use_pcie_powersaving_levels) { |
| pi->pcie_gen_powersaving = pi->pcie_gen_performance; |
| pi->pcie_lane_powersaving = pi->pcie_lane_performance; |
| } else if (!pi->use_pcie_performance_levels && pi->use_pcie_powersaving_levels) { |
| pi->pcie_gen_performance = pi->pcie_gen_powersaving; |
| pi->pcie_lane_performance = pi->pcie_lane_powersaving; |
| } |
| |
| ci_reset_single_dpm_table(rdev, |
| &pi->dpm_table.pcie_speed_table, |
| SMU7_MAX_LEVELS_LINK); |
| |
| if (rdev->family == CHIP_BONAIRE) |
| ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 0, |
| pi->pcie_gen_powersaving.min, |
| pi->pcie_lane_powersaving.max); |
| else |
| ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 0, |
| pi->pcie_gen_powersaving.min, |
| pi->pcie_lane_powersaving.min); |
| ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 1, |
| pi->pcie_gen_performance.min, |
| pi->pcie_lane_performance.min); |
| ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 2, |
| pi->pcie_gen_powersaving.min, |
| pi->pcie_lane_powersaving.max); |
| ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 3, |
| pi->pcie_gen_performance.min, |
| pi->pcie_lane_performance.max); |
| ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 4, |
| pi->pcie_gen_powersaving.max, |
| pi->pcie_lane_powersaving.max); |
| ci_setup_pcie_table_entry(&pi->dpm_table.pcie_speed_table, 5, |
| pi->pcie_gen_performance.max, |
| pi->pcie_lane_performance.max); |
| |
| pi->dpm_table.pcie_speed_table.count = 6; |
| |
| return 0; |
| } |
| |
| static int ci_setup_default_dpm_tables(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct radeon_clock_voltage_dependency_table *allowed_sclk_vddc_table = |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk; |
| struct radeon_clock_voltage_dependency_table *allowed_mclk_table = |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk; |
| struct radeon_cac_leakage_table *std_voltage_table = |
| &rdev->pm.dpm.dyn_state.cac_leakage_table; |
| u32 i; |
| |
| if (allowed_sclk_vddc_table == NULL) |
| return -EINVAL; |
| if (allowed_sclk_vddc_table->count < 1) |
| return -EINVAL; |
| if (allowed_mclk_table == NULL) |
| return -EINVAL; |
| if (allowed_mclk_table->count < 1) |
| return -EINVAL; |
| |
| memset(&pi->dpm_table, 0, sizeof(struct ci_dpm_table)); |
| |
| ci_reset_single_dpm_table(rdev, |
| &pi->dpm_table.sclk_table, |
| SMU7_MAX_LEVELS_GRAPHICS); |
| ci_reset_single_dpm_table(rdev, |
| &pi->dpm_table.mclk_table, |
| SMU7_MAX_LEVELS_MEMORY); |
| ci_reset_single_dpm_table(rdev, |
| &pi->dpm_table.vddc_table, |
| SMU7_MAX_LEVELS_VDDC); |
| ci_reset_single_dpm_table(rdev, |
| &pi->dpm_table.vddci_table, |
| SMU7_MAX_LEVELS_VDDCI); |
| ci_reset_single_dpm_table(rdev, |
| &pi->dpm_table.mvdd_table, |
| SMU7_MAX_LEVELS_MVDD); |
| |
| pi->dpm_table.sclk_table.count = 0; |
| for (i = 0; i < allowed_sclk_vddc_table->count; i++) { |
| if ((i == 0) || |
| (pi->dpm_table.sclk_table.dpm_levels[pi->dpm_table.sclk_table.count-1].value != |
| allowed_sclk_vddc_table->entries[i].clk)) { |
| pi->dpm_table.sclk_table.dpm_levels[pi->dpm_table.sclk_table.count].value = |
| allowed_sclk_vddc_table->entries[i].clk; |
| pi->dpm_table.sclk_table.dpm_levels[pi->dpm_table.sclk_table.count].enabled = |
| (i == 0) ? true : false; |
| pi->dpm_table.sclk_table.count++; |
| } |
| } |
| |
| pi->dpm_table.mclk_table.count = 0; |
| for (i = 0; i < allowed_mclk_table->count; i++) { |
| if ((i == 0) || |
| (pi->dpm_table.mclk_table.dpm_levels[pi->dpm_table.mclk_table.count-1].value != |
| allowed_mclk_table->entries[i].clk)) { |
| pi->dpm_table.mclk_table.dpm_levels[pi->dpm_table.mclk_table.count].value = |
| allowed_mclk_table->entries[i].clk; |
| pi->dpm_table.mclk_table.dpm_levels[pi->dpm_table.mclk_table.count].enabled = |
| (i == 0) ? true : false; |
| pi->dpm_table.mclk_table.count++; |
| } |
| } |
| |
| for (i = 0; i < allowed_sclk_vddc_table->count; i++) { |
| pi->dpm_table.vddc_table.dpm_levels[i].value = |
| allowed_sclk_vddc_table->entries[i].v; |
| pi->dpm_table.vddc_table.dpm_levels[i].param1 = |
| std_voltage_table->entries[i].leakage; |
| pi->dpm_table.vddc_table.dpm_levels[i].enabled = true; |
| } |
| pi->dpm_table.vddc_table.count = allowed_sclk_vddc_table->count; |
| |
| allowed_mclk_table = &rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk; |
| if (allowed_mclk_table) { |
| for (i = 0; i < allowed_mclk_table->count; i++) { |
| pi->dpm_table.vddci_table.dpm_levels[i].value = |
| allowed_mclk_table->entries[i].v; |
| pi->dpm_table.vddci_table.dpm_levels[i].enabled = true; |
| } |
| pi->dpm_table.vddci_table.count = allowed_mclk_table->count; |
| } |
| |
| allowed_mclk_table = &rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk; |
| if (allowed_mclk_table) { |
| for (i = 0; i < allowed_mclk_table->count; i++) { |
| pi->dpm_table.mvdd_table.dpm_levels[i].value = |
| allowed_mclk_table->entries[i].v; |
| pi->dpm_table.mvdd_table.dpm_levels[i].enabled = true; |
| } |
| pi->dpm_table.mvdd_table.count = allowed_mclk_table->count; |
| } |
| |
| ci_setup_default_pcie_tables(rdev); |
| |
| return 0; |
| } |
| |
| static int ci_find_boot_level(struct ci_single_dpm_table *table, |
| u32 value, u32 *boot_level) |
| { |
| u32 i; |
| int ret = -EINVAL; |
| |
| for(i = 0; i < table->count; i++) { |
| if (value == table->dpm_levels[i].value) { |
| *boot_level = i; |
| ret = 0; |
| } |
| } |
| |
| return ret; |
| } |
| |
| static int ci_init_smc_table(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_ulv_parm *ulv = &pi->ulv; |
| struct radeon_ps *radeon_boot_state = rdev->pm.dpm.boot_ps; |
| SMU7_Discrete_DpmTable *table = &pi->smc_state_table; |
| int ret; |
| |
| ret = ci_setup_default_dpm_tables(rdev); |
| if (ret) |
| return ret; |
| |
| if (pi->voltage_control != CISLANDS_VOLTAGE_CONTROL_NONE) |
| ci_populate_smc_voltage_tables(rdev, table); |
| |
| ci_init_fps_limits(rdev); |
| |
| if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC) |
| table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC; |
| |
| if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC) |
| table->SystemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC; |
| |
| if (pi->mem_gddr5) |
| table->SystemFlags |= PPSMC_SYSTEMFLAG_GDDR5; |
| |
| if (ulv->supported) { |
| ret = ci_populate_ulv_state(rdev, &pi->smc_state_table.Ulv); |
| if (ret) |
| return ret; |
| WREG32_SMC(CG_ULV_PARAMETER, ulv->cg_ulv_parameter); |
| } |
| |
| ret = ci_populate_all_graphic_levels(rdev); |
| if (ret) |
| return ret; |
| |
| ret = ci_populate_all_memory_levels(rdev); |
| if (ret) |
| return ret; |
| |
| ci_populate_smc_link_level(rdev, table); |
| |
| ret = ci_populate_smc_acpi_level(rdev, table); |
| if (ret) |
| return ret; |
| |
| ret = ci_populate_smc_vce_level(rdev, table); |
| if (ret) |
| return ret; |
| |
| ret = ci_populate_smc_acp_level(rdev, table); |
| if (ret) |
| return ret; |
| |
| ret = ci_populate_smc_samu_level(rdev, table); |
| if (ret) |
| return ret; |
| |
| ret = ci_do_program_memory_timing_parameters(rdev); |
| if (ret) |
| return ret; |
| |
| ret = ci_populate_smc_uvd_level(rdev, table); |
| if (ret) |
| return ret; |
| |
| table->UvdBootLevel = 0; |
| table->VceBootLevel = 0; |
| table->AcpBootLevel = 0; |
| table->SamuBootLevel = 0; |
| table->GraphicsBootLevel = 0; |
| table->MemoryBootLevel = 0; |
| |
| ret = ci_find_boot_level(&pi->dpm_table.sclk_table, |
| pi->vbios_boot_state.sclk_bootup_value, |
| (u32 *)&pi->smc_state_table.GraphicsBootLevel); |
| |
| ret = ci_find_boot_level(&pi->dpm_table.mclk_table, |
| pi->vbios_boot_state.mclk_bootup_value, |
| (u32 *)&pi->smc_state_table.MemoryBootLevel); |
| |
| table->BootVddc = pi->vbios_boot_state.vddc_bootup_value; |
| table->BootVddci = pi->vbios_boot_state.vddci_bootup_value; |
| table->BootMVdd = pi->vbios_boot_state.mvdd_bootup_value; |
| |
| ci_populate_smc_initial_state(rdev, radeon_boot_state); |
| |
| ret = ci_populate_bapm_parameters_in_dpm_table(rdev); |
| if (ret) |
| return ret; |
| |
| table->UVDInterval = 1; |
| table->VCEInterval = 1; |
| table->ACPInterval = 1; |
| table->SAMUInterval = 1; |
| table->GraphicsVoltageChangeEnable = 1; |
| table->GraphicsThermThrottleEnable = 1; |
| table->GraphicsInterval = 1; |
| table->VoltageInterval = 1; |
| table->ThermalInterval = 1; |
| table->TemperatureLimitHigh = (u16)((pi->thermal_temp_setting.temperature_high * |
| CISLANDS_Q88_FORMAT_CONVERSION_UNIT) / 1000); |
| table->TemperatureLimitLow = (u16)((pi->thermal_temp_setting.temperature_low * |
| CISLANDS_Q88_FORMAT_CONVERSION_UNIT) / 1000); |
| table->MemoryVoltageChangeEnable = 1; |
| table->MemoryInterval = 1; |
| table->VoltageResponseTime = 0; |
| table->VddcVddciDelta = 4000; |
| table->PhaseResponseTime = 0; |
| table->MemoryThermThrottleEnable = 1; |
| table->PCIeBootLinkLevel = pi->dpm_table.pcie_speed_table.count - 1; |
| table->PCIeGenInterval = 1; |
| if (pi->voltage_control == CISLANDS_VOLTAGE_CONTROL_BY_SVID2) |
| table->SVI2Enable = 1; |
| else |
| table->SVI2Enable = 0; |
| |
| table->ThermGpio = 17; |
| table->SclkStepSize = 0x4000; |
| |
| table->SystemFlags = cpu_to_be32(table->SystemFlags); |
| table->SmioMaskVddcVid = cpu_to_be32(table->SmioMaskVddcVid); |
| table->SmioMaskVddcPhase = cpu_to_be32(table->SmioMaskVddcPhase); |
| table->SmioMaskVddciVid = cpu_to_be32(table->SmioMaskVddciVid); |
| table->SmioMaskMvddVid = cpu_to_be32(table->SmioMaskMvddVid); |
| table->SclkStepSize = cpu_to_be32(table->SclkStepSize); |
| table->TemperatureLimitHigh = cpu_to_be16(table->TemperatureLimitHigh); |
| table->TemperatureLimitLow = cpu_to_be16(table->TemperatureLimitLow); |
| table->VddcVddciDelta = cpu_to_be16(table->VddcVddciDelta); |
| table->VoltageResponseTime = cpu_to_be16(table->VoltageResponseTime); |
| table->PhaseResponseTime = cpu_to_be16(table->PhaseResponseTime); |
| table->BootVddc = cpu_to_be16(table->BootVddc * VOLTAGE_SCALE); |
| table->BootVddci = cpu_to_be16(table->BootVddci * VOLTAGE_SCALE); |
| table->BootMVdd = cpu_to_be16(table->BootMVdd * VOLTAGE_SCALE); |
| |
| ret = ci_copy_bytes_to_smc(rdev, |
| pi->dpm_table_start + |
| offsetof(SMU7_Discrete_DpmTable, SystemFlags), |
| (u8 *)&table->SystemFlags, |
| sizeof(SMU7_Discrete_DpmTable) - 3 * sizeof(SMU7_PIDController), |
| pi->sram_end); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| static void ci_trim_single_dpm_states(struct radeon_device *rdev, |
| struct ci_single_dpm_table *dpm_table, |
| u32 low_limit, u32 high_limit) |
| { |
| u32 i; |
| |
| for (i = 0; i < dpm_table->count; i++) { |
| if ((dpm_table->dpm_levels[i].value < low_limit) || |
| (dpm_table->dpm_levels[i].value > high_limit)) |
| dpm_table->dpm_levels[i].enabled = false; |
| else |
| dpm_table->dpm_levels[i].enabled = true; |
| } |
| } |
| |
| static void ci_trim_pcie_dpm_states(struct radeon_device *rdev, |
| u32 speed_low, u32 lanes_low, |
| u32 speed_high, u32 lanes_high) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_single_dpm_table *pcie_table = &pi->dpm_table.pcie_speed_table; |
| u32 i, j; |
| |
| for (i = 0; i < pcie_table->count; i++) { |
| if ((pcie_table->dpm_levels[i].value < speed_low) || |
| (pcie_table->dpm_levels[i].param1 < lanes_low) || |
| (pcie_table->dpm_levels[i].value > speed_high) || |
| (pcie_table->dpm_levels[i].param1 > lanes_high)) |
| pcie_table->dpm_levels[i].enabled = false; |
| else |
| pcie_table->dpm_levels[i].enabled = true; |
| } |
| |
| for (i = 0; i < pcie_table->count; i++) { |
| if (pcie_table->dpm_levels[i].enabled) { |
| for (j = i + 1; j < pcie_table->count; j++) { |
| if (pcie_table->dpm_levels[j].enabled) { |
| if ((pcie_table->dpm_levels[i].value == pcie_table->dpm_levels[j].value) && |
| (pcie_table->dpm_levels[i].param1 == pcie_table->dpm_levels[j].param1)) |
| pcie_table->dpm_levels[j].enabled = false; |
| } |
| } |
| } |
| } |
| } |
| |
| static int ci_trim_dpm_states(struct radeon_device *rdev, |
| struct radeon_ps *radeon_state) |
| { |
| struct ci_ps *state = ci_get_ps(radeon_state); |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 high_limit_count; |
| |
| if (state->performance_level_count < 1) |
| return -EINVAL; |
| |
| if (state->performance_level_count == 1) |
| high_limit_count = 0; |
| else |
| high_limit_count = 1; |
| |
| ci_trim_single_dpm_states(rdev, |
| &pi->dpm_table.sclk_table, |
| state->performance_levels[0].sclk, |
| state->performance_levels[high_limit_count].sclk); |
| |
| ci_trim_single_dpm_states(rdev, |
| &pi->dpm_table.mclk_table, |
| state->performance_levels[0].mclk, |
| state->performance_levels[high_limit_count].mclk); |
| |
| ci_trim_pcie_dpm_states(rdev, |
| state->performance_levels[0].pcie_gen, |
| state->performance_levels[0].pcie_lane, |
| state->performance_levels[high_limit_count].pcie_gen, |
| state->performance_levels[high_limit_count].pcie_lane); |
| |
| return 0; |
| } |
| |
| static int ci_apply_disp_minimum_voltage_request(struct radeon_device *rdev) |
| { |
| struct radeon_clock_voltage_dependency_table *disp_voltage_table = |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk; |
| struct radeon_clock_voltage_dependency_table *vddc_table = |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk; |
| u32 requested_voltage = 0; |
| u32 i; |
| |
| if (disp_voltage_table == NULL) |
| return -EINVAL; |
| if (!disp_voltage_table->count) |
| return -EINVAL; |
| |
| for (i = 0; i < disp_voltage_table->count; i++) { |
| if (rdev->clock.current_dispclk == disp_voltage_table->entries[i].clk) |
| requested_voltage = disp_voltage_table->entries[i].v; |
| } |
| |
| for (i = 0; i < vddc_table->count; i++) { |
| if (requested_voltage <= vddc_table->entries[i].v) { |
| requested_voltage = vddc_table->entries[i].v; |
| return (ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_MSG_VddC_Request, |
| requested_voltage * VOLTAGE_SCALE) == PPSMC_Result_OK) ? |
| 0 : -EINVAL; |
| } |
| } |
| |
| return -EINVAL; |
| } |
| |
| static int ci_upload_dpm_level_enable_mask(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| PPSMC_Result result; |
| |
| ci_apply_disp_minimum_voltage_request(rdev); |
| |
| if (!pi->sclk_dpm_key_disabled) { |
| if (pi->dpm_level_enable_mask.sclk_dpm_enable_mask) { |
| result = ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_MSG_SCLKDPM_SetEnabledMask, |
| pi->dpm_level_enable_mask.sclk_dpm_enable_mask); |
| if (result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| } |
| |
| if (!pi->mclk_dpm_key_disabled) { |
| if (pi->dpm_level_enable_mask.mclk_dpm_enable_mask) { |
| result = ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_MSG_MCLKDPM_SetEnabledMask, |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask); |
| if (result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| } |
| #if 0 |
| if (!pi->pcie_dpm_key_disabled) { |
| if (pi->dpm_level_enable_mask.pcie_dpm_enable_mask) { |
| result = ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_MSG_PCIeDPM_SetEnabledMask, |
| pi->dpm_level_enable_mask.pcie_dpm_enable_mask); |
| if (result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| } |
| #endif |
| return 0; |
| } |
| |
| static void ci_find_dpm_states_clocks_in_dpm_table(struct radeon_device *rdev, |
| struct radeon_ps *radeon_state) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_ps *state = ci_get_ps(radeon_state); |
| struct ci_single_dpm_table *sclk_table = &pi->dpm_table.sclk_table; |
| u32 sclk = state->performance_levels[state->performance_level_count-1].sclk; |
| struct ci_single_dpm_table *mclk_table = &pi->dpm_table.mclk_table; |
| u32 mclk = state->performance_levels[state->performance_level_count-1].mclk; |
| u32 i; |
| |
| pi->need_update_smu7_dpm_table = 0; |
| |
| for (i = 0; i < sclk_table->count; i++) { |
| if (sclk == sclk_table->dpm_levels[i].value) |
| break; |
| } |
| |
| if (i >= sclk_table->count) { |
| pi->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK; |
| } else { |
| /* XXX The current code always reprogrammed the sclk levels, |
| * but we don't currently handle disp sclk requirements |
| * so just skip it. |
| */ |
| if (CISLAND_MINIMUM_ENGINE_CLOCK != CISLAND_MINIMUM_ENGINE_CLOCK) |
| pi->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK; |
| } |
| |
| for (i = 0; i < mclk_table->count; i++) { |
| if (mclk == mclk_table->dpm_levels[i].value) |
| break; |
| } |
| |
| if (i >= mclk_table->count) |
| pi->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK; |
| |
| if (rdev->pm.dpm.current_active_crtc_count != |
| rdev->pm.dpm.new_active_crtc_count) |
| pi->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_MCLK; |
| } |
| |
| static int ci_populate_and_upload_sclk_mclk_dpm_levels(struct radeon_device *rdev, |
| struct radeon_ps *radeon_state) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_ps *state = ci_get_ps(radeon_state); |
| u32 sclk = state->performance_levels[state->performance_level_count-1].sclk; |
| u32 mclk = state->performance_levels[state->performance_level_count-1].mclk; |
| struct ci_dpm_table *dpm_table = &pi->dpm_table; |
| int ret; |
| |
| if (!pi->need_update_smu7_dpm_table) |
| return 0; |
| |
| if (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_SCLK) |
| dpm_table->sclk_table.dpm_levels[dpm_table->sclk_table.count-1].value = sclk; |
| |
| if (pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK) |
| dpm_table->mclk_table.dpm_levels[dpm_table->mclk_table.count-1].value = mclk; |
| |
| if (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_UPDATE_SCLK)) { |
| ret = ci_populate_all_graphic_levels(rdev); |
| if (ret) |
| return ret; |
| } |
| |
| if (pi->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_MCLK | DPMTABLE_UPDATE_MCLK)) { |
| ret = ci_populate_all_memory_levels(rdev); |
| if (ret) |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static int ci_enable_uvd_dpm(struct radeon_device *rdev, bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| const struct radeon_clock_and_voltage_limits *max_limits; |
| int i; |
| |
| if (rdev->pm.dpm.ac_power) |
| max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac; |
| else |
| max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc; |
| |
| if (enable) { |
| pi->dpm_level_enable_mask.uvd_dpm_enable_mask = 0; |
| |
| for (i = rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count - 1; i >= 0; i--) { |
| if (rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) { |
| pi->dpm_level_enable_mask.uvd_dpm_enable_mask |= 1 << i; |
| |
| if (!pi->caps_uvd_dpm) |
| break; |
| } |
| } |
| |
| ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_MSG_UVDDPM_SetEnabledMask, |
| pi->dpm_level_enable_mask.uvd_dpm_enable_mask); |
| |
| if (pi->last_mclk_dpm_enable_mask & 0x1) { |
| pi->uvd_enabled = true; |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask &= 0xFFFFFFFE; |
| ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_MSG_MCLKDPM_SetEnabledMask, |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask); |
| } |
| } else { |
| if (pi->last_mclk_dpm_enable_mask & 0x1) { |
| pi->uvd_enabled = false; |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask |= 1; |
| ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_MSG_MCLKDPM_SetEnabledMask, |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask); |
| } |
| } |
| |
| return (ci_send_msg_to_smc(rdev, enable ? |
| PPSMC_MSG_UVDDPM_Enable : PPSMC_MSG_UVDDPM_Disable) == PPSMC_Result_OK) ? |
| 0 : -EINVAL; |
| } |
| |
| static int ci_enable_vce_dpm(struct radeon_device *rdev, bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| const struct radeon_clock_and_voltage_limits *max_limits; |
| int i; |
| |
| if (rdev->pm.dpm.ac_power) |
| max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac; |
| else |
| max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc; |
| |
| if (enable) { |
| pi->dpm_level_enable_mask.vce_dpm_enable_mask = 0; |
| for (i = rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count - 1; i >= 0; i--) { |
| if (rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) { |
| pi->dpm_level_enable_mask.vce_dpm_enable_mask |= 1 << i; |
| |
| if (!pi->caps_vce_dpm) |
| break; |
| } |
| } |
| |
| ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_MSG_VCEDPM_SetEnabledMask, |
| pi->dpm_level_enable_mask.vce_dpm_enable_mask); |
| } |
| |
| return (ci_send_msg_to_smc(rdev, enable ? |
| PPSMC_MSG_VCEDPM_Enable : PPSMC_MSG_VCEDPM_Disable) == PPSMC_Result_OK) ? |
| 0 : -EINVAL; |
| } |
| |
| #if 0 |
| static int ci_enable_samu_dpm(struct radeon_device *rdev, bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| const struct radeon_clock_and_voltage_limits *max_limits; |
| int i; |
| |
| if (rdev->pm.dpm.ac_power) |
| max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac; |
| else |
| max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc; |
| |
| if (enable) { |
| pi->dpm_level_enable_mask.samu_dpm_enable_mask = 0; |
| for (i = rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count - 1; i >= 0; i--) { |
| if (rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) { |
| pi->dpm_level_enable_mask.samu_dpm_enable_mask |= 1 << i; |
| |
| if (!pi->caps_samu_dpm) |
| break; |
| } |
| } |
| |
| ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_MSG_SAMUDPM_SetEnabledMask, |
| pi->dpm_level_enable_mask.samu_dpm_enable_mask); |
| } |
| return (ci_send_msg_to_smc(rdev, enable ? |
| PPSMC_MSG_SAMUDPM_Enable : PPSMC_MSG_SAMUDPM_Disable) == PPSMC_Result_OK) ? |
| 0 : -EINVAL; |
| } |
| |
| static int ci_enable_acp_dpm(struct radeon_device *rdev, bool enable) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| const struct radeon_clock_and_voltage_limits *max_limits; |
| int i; |
| |
| if (rdev->pm.dpm.ac_power) |
| max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac; |
| else |
| max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc; |
| |
| if (enable) { |
| pi->dpm_level_enable_mask.acp_dpm_enable_mask = 0; |
| for (i = rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count - 1; i >= 0; i--) { |
| if (rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].v <= max_limits->vddc) { |
| pi->dpm_level_enable_mask.acp_dpm_enable_mask |= 1 << i; |
| |
| if (!pi->caps_acp_dpm) |
| break; |
| } |
| } |
| |
| ci_send_msg_to_smc_with_parameter(rdev, |
| PPSMC_MSG_ACPDPM_SetEnabledMask, |
| pi->dpm_level_enable_mask.acp_dpm_enable_mask); |
| } |
| |
| return (ci_send_msg_to_smc(rdev, enable ? |
| PPSMC_MSG_ACPDPM_Enable : PPSMC_MSG_ACPDPM_Disable) == PPSMC_Result_OK) ? |
| 0 : -EINVAL; |
| } |
| #endif |
| |
| static int ci_update_uvd_dpm(struct radeon_device *rdev, bool gate) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 tmp; |
| |
| if (!gate) { |
| if (pi->caps_uvd_dpm || |
| (rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count <= 0)) |
| pi->smc_state_table.UvdBootLevel = 0; |
| else |
| pi->smc_state_table.UvdBootLevel = |
| rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count - 1; |
| |
| tmp = RREG32_SMC(DPM_TABLE_475); |
| tmp &= ~UvdBootLevel_MASK; |
| tmp |= UvdBootLevel(pi->smc_state_table.UvdBootLevel); |
| WREG32_SMC(DPM_TABLE_475, tmp); |
| } |
| |
| return ci_enable_uvd_dpm(rdev, !gate); |
| } |
| |
| static u8 ci_get_vce_boot_level(struct radeon_device *rdev) |
| { |
| u8 i; |
| u32 min_evclk = 30000; /* ??? */ |
| struct radeon_vce_clock_voltage_dependency_table *table = |
| &rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table; |
| |
| for (i = 0; i < table->count; i++) { |
| if (table->entries[i].evclk >= min_evclk) |
| return i; |
| } |
| |
| return table->count - 1; |
| } |
| |
| static int ci_update_vce_dpm(struct radeon_device *rdev, |
| struct radeon_ps *radeon_new_state, |
| struct radeon_ps *radeon_current_state) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| int ret = 0; |
| u32 tmp; |
| |
| if (radeon_current_state->evclk != radeon_new_state->evclk) { |
| if (radeon_new_state->evclk) { |
| /* turn the clocks on when encoding */ |
| cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, false); |
| |
| pi->smc_state_table.VceBootLevel = ci_get_vce_boot_level(rdev); |
| tmp = RREG32_SMC(DPM_TABLE_475); |
| tmp &= ~VceBootLevel_MASK; |
| tmp |= VceBootLevel(pi->smc_state_table.VceBootLevel); |
| WREG32_SMC(DPM_TABLE_475, tmp); |
| |
| ret = ci_enable_vce_dpm(rdev, true); |
| } else { |
| /* turn the clocks off when not encoding */ |
| cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, true); |
| |
| ret = ci_enable_vce_dpm(rdev, false); |
| } |
| } |
| return ret; |
| } |
| |
| #if 0 |
| static int ci_update_samu_dpm(struct radeon_device *rdev, bool gate) |
| { |
| return ci_enable_samu_dpm(rdev, gate); |
| } |
| |
| static int ci_update_acp_dpm(struct radeon_device *rdev, bool gate) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 tmp; |
| |
| if (!gate) { |
| pi->smc_state_table.AcpBootLevel = 0; |
| |
| tmp = RREG32_SMC(DPM_TABLE_475); |
| tmp &= ~AcpBootLevel_MASK; |
| tmp |= AcpBootLevel(pi->smc_state_table.AcpBootLevel); |
| WREG32_SMC(DPM_TABLE_475, tmp); |
| } |
| |
| return ci_enable_acp_dpm(rdev, !gate); |
| } |
| #endif |
| |
| static int ci_generate_dpm_level_enable_mask(struct radeon_device *rdev, |
| struct radeon_ps *radeon_state) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| int ret; |
| |
| ret = ci_trim_dpm_states(rdev, radeon_state); |
| if (ret) |
| return ret; |
| |
| pi->dpm_level_enable_mask.sclk_dpm_enable_mask = |
| ci_get_dpm_level_enable_mask_value(&pi->dpm_table.sclk_table); |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask = |
| ci_get_dpm_level_enable_mask_value(&pi->dpm_table.mclk_table); |
| pi->last_mclk_dpm_enable_mask = |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask; |
| if (pi->uvd_enabled) { |
| if (pi->dpm_level_enable_mask.mclk_dpm_enable_mask & 1) |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask &= 0xFFFFFFFE; |
| } |
| pi->dpm_level_enable_mask.pcie_dpm_enable_mask = |
| ci_get_dpm_level_enable_mask_value(&pi->dpm_table.pcie_speed_table); |
| |
| return 0; |
| } |
| |
| static u32 ci_get_lowest_enabled_level(struct radeon_device *rdev, |
| u32 level_mask) |
| { |
| u32 level = 0; |
| |
| while ((level_mask & (1 << level)) == 0) |
| level++; |
| |
| return level; |
| } |
| |
| |
| int ci_dpm_force_performance_level(struct radeon_device *rdev, |
| enum radeon_dpm_forced_level level) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 tmp, levels, i; |
| int ret; |
| |
| if (level == RADEON_DPM_FORCED_LEVEL_HIGH) { |
| if ((!pi->pcie_dpm_key_disabled) && |
| pi->dpm_level_enable_mask.pcie_dpm_enable_mask) { |
| levels = 0; |
| tmp = pi->dpm_level_enable_mask.pcie_dpm_enable_mask; |
| while (tmp >>= 1) |
| levels++; |
| if (levels) { |
| ret = ci_dpm_force_state_pcie(rdev, level); |
| if (ret) |
| return ret; |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX_1) & |
| CURR_PCIE_INDEX_MASK) >> CURR_PCIE_INDEX_SHIFT; |
| if (tmp == levels) |
| break; |
| udelay(1); |
| } |
| } |
| } |
| if ((!pi->sclk_dpm_key_disabled) && |
| pi->dpm_level_enable_mask.sclk_dpm_enable_mask) { |
| levels = 0; |
| tmp = pi->dpm_level_enable_mask.sclk_dpm_enable_mask; |
| while (tmp >>= 1) |
| levels++; |
| if (levels) { |
| ret = ci_dpm_force_state_sclk(rdev, levels); |
| if (ret) |
| return ret; |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) & |
| CURR_SCLK_INDEX_MASK) >> CURR_SCLK_INDEX_SHIFT; |
| if (tmp == levels) |
| break; |
| udelay(1); |
| } |
| } |
| } |
| if ((!pi->mclk_dpm_key_disabled) && |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask) { |
| levels = 0; |
| tmp = pi->dpm_level_enable_mask.mclk_dpm_enable_mask; |
| while (tmp >>= 1) |
| levels++; |
| if (levels) { |
| ret = ci_dpm_force_state_mclk(rdev, levels); |
| if (ret) |
| return ret; |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) & |
| CURR_MCLK_INDEX_MASK) >> CURR_MCLK_INDEX_SHIFT; |
| if (tmp == levels) |
| break; |
| udelay(1); |
| } |
| } |
| } |
| } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) { |
| if ((!pi->sclk_dpm_key_disabled) && |
| pi->dpm_level_enable_mask.sclk_dpm_enable_mask) { |
| levels = ci_get_lowest_enabled_level(rdev, |
| pi->dpm_level_enable_mask.sclk_dpm_enable_mask); |
| ret = ci_dpm_force_state_sclk(rdev, levels); |
| if (ret) |
| return ret; |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) & |
| CURR_SCLK_INDEX_MASK) >> CURR_SCLK_INDEX_SHIFT; |
| if (tmp == levels) |
| break; |
| udelay(1); |
| } |
| } |
| if ((!pi->mclk_dpm_key_disabled) && |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask) { |
| levels = ci_get_lowest_enabled_level(rdev, |
| pi->dpm_level_enable_mask.mclk_dpm_enable_mask); |
| ret = ci_dpm_force_state_mclk(rdev, levels); |
| if (ret) |
| return ret; |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) & |
| CURR_MCLK_INDEX_MASK) >> CURR_MCLK_INDEX_SHIFT; |
| if (tmp == levels) |
| break; |
| udelay(1); |
| } |
| } |
| if ((!pi->pcie_dpm_key_disabled) && |
| pi->dpm_level_enable_mask.pcie_dpm_enable_mask) { |
| levels = ci_get_lowest_enabled_level(rdev, |
| pi->dpm_level_enable_mask.pcie_dpm_enable_mask); |
| ret = ci_dpm_force_state_pcie(rdev, levels); |
| if (ret) |
| return ret; |
| for (i = 0; i < rdev->usec_timeout; i++) { |
| tmp = (RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX_1) & |
| CURR_PCIE_INDEX_MASK) >> CURR_PCIE_INDEX_SHIFT; |
| if (tmp == levels) |
| break; |
| udelay(1); |
| } |
| } |
| } else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) { |
| if (!pi->pcie_dpm_key_disabled) { |
| PPSMC_Result smc_result; |
| |
| smc_result = ci_send_msg_to_smc(rdev, |
| PPSMC_MSG_PCIeDPM_UnForceLevel); |
| if (smc_result != PPSMC_Result_OK) |
| return -EINVAL; |
| } |
| ret = ci_upload_dpm_level_enable_mask(rdev); |
| if (ret) |
| return ret; |
| } |
| |
| rdev->pm.dpm.forced_level = level; |
| |
| return 0; |
| } |
| |
| static int ci_set_mc_special_registers(struct radeon_device *rdev, |
| struct ci_mc_reg_table *table) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u8 i, j, k; |
| u32 temp_reg; |
| |
| for (i = 0, j = table->last; i < table->last; i++) { |
| if (j >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE) |
| return -EINVAL; |
| switch(table->mc_reg_address[i].s1 << 2) { |
| case MC_SEQ_MISC1: |
| temp_reg = RREG32(MC_PMG_CMD_EMRS); |
| table->mc_reg_address[j].s1 = MC_PMG_CMD_EMRS >> 2; |
| table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2; |
| for (k = 0; k < table->num_entries; k++) { |
| table->mc_reg_table_entry[k].mc_data[j] = |
| ((temp_reg & 0xffff0000)) | ((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16); |
| } |
| j++; |
| if (j >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE) |
| return -EINVAL; |
| |
| temp_reg = RREG32(MC_PMG_CMD_MRS); |
| table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS >> 2; |
| table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2; |
| for (k = 0; k < table->num_entries; k++) { |
| table->mc_reg_table_entry[k].mc_data[j] = |
| (temp_reg & 0xffff0000) | (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff); |
| if (!pi->mem_gddr5) |
| table->mc_reg_table_entry[k].mc_data[j] |= 0x100; |
| } |
| j++; |
| if (j >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE) |
| return -EINVAL; |
| |
| if (!pi->mem_gddr5) { |
| table->mc_reg_address[j].s1 = MC_PMG_AUTO_CMD >> 2; |
| table->mc_reg_address[j].s0 = MC_PMG_AUTO_CMD >> 2; |
| for (k = 0; k < table->num_entries; k++) { |
| table->mc_reg_table_entry[k].mc_data[j] = |
| (table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16; |
| } |
| j++; |
| if (j > SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE) |
| return -EINVAL; |
| } |
| break; |
| case MC_SEQ_RESERVE_M: |
| temp_reg = RREG32(MC_PMG_CMD_MRS1); |
| table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS1 >> 2; |
| table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2; |
| for (k = 0; k < table->num_entries; k++) { |
| table->mc_reg_table_entry[k].mc_data[j] = |
| (temp_reg & 0xffff0000) | (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff); |
| } |
| j++; |
| if (j > SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE) |
| return -EINVAL; |
| break; |
| default: |
| break; |
| } |
| |
| } |
| |
| table->last = j; |
| |
| return 0; |
| } |
| |
| static bool ci_check_s0_mc_reg_index(u16 in_reg, u16 *out_reg) |
| { |
| bool result = true; |
| |
| switch(in_reg) { |
| case MC_SEQ_RAS_TIMING >> 2: |
| *out_reg = MC_SEQ_RAS_TIMING_LP >> 2; |
| break; |
| case MC_SEQ_DLL_STBY >> 2: |
| *out_reg = MC_SEQ_DLL_STBY_LP >> 2; |
| break; |
| case MC_SEQ_G5PDX_CMD0 >> 2: |
| *out_reg = MC_SEQ_G5PDX_CMD0_LP >> 2; |
| break; |
| case MC_SEQ_G5PDX_CMD1 >> 2: |
| *out_reg = MC_SEQ_G5PDX_CMD1_LP >> 2; |
| break; |
| case MC_SEQ_G5PDX_CTRL >> 2: |
| *out_reg = MC_SEQ_G5PDX_CTRL_LP >> 2; |
| break; |
| case MC_SEQ_CAS_TIMING >> 2: |
| *out_reg = MC_SEQ_CAS_TIMING_LP >> 2; |
| break; |
| case MC_SEQ_MISC_TIMING >> 2: |
| *out_reg = MC_SEQ_MISC_TIMING_LP >> 2; |
| break; |
| case MC_SEQ_MISC_TIMING2 >> 2: |
| *out_reg = MC_SEQ_MISC_TIMING2_LP >> 2; |
| break; |
| case MC_SEQ_PMG_DVS_CMD >> 2: |
| *out_reg = MC_SEQ_PMG_DVS_CMD_LP >> 2; |
| break; |
| case MC_SEQ_PMG_DVS_CTL >> 2: |
| *out_reg = MC_SEQ_PMG_DVS_CTL_LP >> 2; |
| break; |
| case MC_SEQ_RD_CTL_D0 >> 2: |
| *out_reg = MC_SEQ_RD_CTL_D0_LP >> 2; |
| break; |
| case MC_SEQ_RD_CTL_D1 >> 2: |
| *out_reg = MC_SEQ_RD_CTL_D1_LP >> 2; |
| break; |
| case MC_SEQ_WR_CTL_D0 >> 2: |
| *out_reg = MC_SEQ_WR_CTL_D0_LP >> 2; |
| break; |
| case MC_SEQ_WR_CTL_D1 >> 2: |
| *out_reg = MC_SEQ_WR_CTL_D1_LP >> 2; |
| break; |
| case MC_PMG_CMD_EMRS >> 2: |
| *out_reg = MC_SEQ_PMG_CMD_EMRS_LP >> 2; |
| break; |
| case MC_PMG_CMD_MRS >> 2: |
| *out_reg = MC_SEQ_PMG_CMD_MRS_LP >> 2; |
| break; |
| case MC_PMG_CMD_MRS1 >> 2: |
| *out_reg = MC_SEQ_PMG_CMD_MRS1_LP >> 2; |
| break; |
| case MC_SEQ_PMG_TIMING >> 2: |
| *out_reg = MC_SEQ_PMG_TIMING_LP >> 2; |
| break; |
| case MC_PMG_CMD_MRS2 >> 2: |
| *out_reg = MC_SEQ_PMG_CMD_MRS2_LP >> 2; |
| break; |
| case MC_SEQ_WR_CTL_2 >> 2: |
| *out_reg = MC_SEQ_WR_CTL_2_LP >> 2; |
| break; |
| default: |
| result = false; |
| break; |
| } |
| |
| return result; |
| } |
| |
| static void ci_set_valid_flag(struct ci_mc_reg_table *table) |
| { |
| u8 i, j; |
| |
| for (i = 0; i < table->last; i++) { |
| for (j = 1; j < table->num_entries; j++) { |
| if (table->mc_reg_table_entry[j-1].mc_data[i] != |
| table->mc_reg_table_entry[j].mc_data[i]) { |
| table->valid_flag |= 1 << i; |
| break; |
| } |
| } |
| } |
| } |
| |
| static void ci_set_s0_mc_reg_index(struct ci_mc_reg_table *table) |
| { |
| u32 i; |
| u16 address; |
| |
| for (i = 0; i < table->last; i++) { |
| table->mc_reg_address[i].s0 = |
| ci_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) ? |
| address : table->mc_reg_address[i].s1; |
| } |
| } |
| |
| static int ci_copy_vbios_mc_reg_table(const struct atom_mc_reg_table *table, |
| struct ci_mc_reg_table *ci_table) |
| { |
| u8 i, j; |
| |
| if (table->last > SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE) |
| return -EINVAL; |
| if (table->num_entries > MAX_AC_TIMING_ENTRIES) |
| return -EINVAL; |
| |
| for (i = 0; i < table->last; i++) |
| ci_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1; |
| |
| ci_table->last = table->last; |
| |
| for (i = 0; i < table->num_entries; i++) { |
| ci_table->mc_reg_table_entry[i].mclk_max = |
| table->mc_reg_table_entry[i].mclk_max; |
| for (j = 0; j < table->last; j++) |
| ci_table->mc_reg_table_entry[i].mc_data[j] = |
| table->mc_reg_table_entry[i].mc_data[j]; |
| } |
| ci_table->num_entries = table->num_entries; |
| |
| return 0; |
| } |
| |
| static int ci_register_patching_mc_seq(struct radeon_device *rdev, |
| struct ci_mc_reg_table *table) |
| { |
| u8 i, k; |
| u32 tmp; |
| bool patch; |
| |
| tmp = RREG32(MC_SEQ_MISC0); |
| patch = ((tmp & 0x0000f00) == 0x300) ? true : false; |
| |
| if (patch && |
| ((rdev->pdev->device == 0x67B0) || |
| (rdev->pdev->device == 0x67B1))) { |
| for (i = 0; i < table->last; i++) { |
| if (table->last >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE) |
| return -EINVAL; |
| switch(table->mc_reg_address[i].s1 >> 2) { |
| case MC_SEQ_MISC1: |
| for (k = 0; k < table->num_entries; k++) { |
| if ((table->mc_reg_table_entry[k].mclk_max == 125000) || |
| (table->mc_reg_table_entry[k].mclk_max == 137500)) |
| table->mc_reg_table_entry[k].mc_data[i] = |
| (table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFF8) | |
| 0x00000007; |
| } |
| break; |
| case MC_SEQ_WR_CTL_D0: |
| for (k = 0; k < table->num_entries; k++) { |
| if ((table->mc_reg_table_entry[k].mclk_max == 125000) || |
| (table->mc_reg_table_entry[k].mclk_max == 137500)) |
| table->mc_reg_table_entry[k].mc_data[i] = |
| (table->mc_reg_table_entry[k].mc_data[i] & 0xFFFF0F00) | |
| 0x0000D0DD; |
| } |
| break; |
| case MC_SEQ_WR_CTL_D1: |
| for (k = 0; k < table->num_entries; k++) { |
| if ((table->mc_reg_table_entry[k].mclk_max == 125000) || |
| (table->mc_reg_table_entry[k].mclk_max == 137500)) |
| table->mc_reg_table_entry[k].mc_data[i] = |
| (table->mc_reg_table_entry[k].mc_data[i] & 0xFFFF0F00) | |
| 0x0000D0DD; |
| } |
| break; |
| case MC_SEQ_WR_CTL_2: |
| for (k = 0; k < table->num_entries; k++) { |
| if ((table->mc_reg_table_entry[k].mclk_max == 125000) || |
| (table->mc_reg_table_entry[k].mclk_max == 137500)) |
| table->mc_reg_table_entry[k].mc_data[i] = 0; |
| } |
| break; |
| case MC_SEQ_CAS_TIMING: |
| for (k = 0; k < table->num_entries; k++) { |
| if (table->mc_reg_table_entry[k].mclk_max == 125000) |
| table->mc_reg_table_entry[k].mc_data[i] = |
| (table->mc_reg_table_entry[k].mc_data[i] & 0xFFE0FE0F) | |
| 0x000C0140; |
| else if (table->mc_reg_table_entry[k].mclk_max == 137500) |
| table->mc_reg_table_entry[k].mc_data[i] = |
| (table->mc_reg_table_entry[k].mc_data[i] & 0xFFE0FE0F) | |
| 0x000C0150; |
| } |
| break; |
| case MC_SEQ_MISC_TIMING: |
| for (k = 0; k < table->num_entries; k++) { |
| if (table->mc_reg_table_entry[k].mclk_max == 125000) |
| table->mc_reg_table_entry[k].mc_data[i] = |
| (table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFE0) | |
| 0x00000030; |
| else if (table->mc_reg_table_entry[k].mclk_max == 137500) |
| table->mc_reg_table_entry[k].mc_data[i] = |
| (table->mc_reg_table_entry[k].mc_data[i] & 0xFFFFFFE0) | |
| 0x00000035; |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| WREG32(MC_SEQ_IO_DEBUG_INDEX, 3); |
| tmp = RREG32(MC_SEQ_IO_DEBUG_DATA); |
| tmp = (tmp & 0xFFF8FFFF) | (1 << 16); |
| WREG32(MC_SEQ_IO_DEBUG_INDEX, 3); |
| WREG32(MC_SEQ_IO_DEBUG_DATA, tmp); |
| } |
| |
| return 0; |
| } |
| |
| static int ci_initialize_mc_reg_table(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct atom_mc_reg_table *table; |
| struct ci_mc_reg_table *ci_table = &pi->mc_reg_table; |
| u8 module_index = rv770_get_memory_module_index(rdev); |
| int ret; |
| |
| table = kzalloc(sizeof(struct atom_mc_reg_table), GFP_KERNEL); |
| if (!table) |
| return -ENOMEM; |
| |
| WREG32(MC_SEQ_RAS_TIMING_LP, RREG32(MC_SEQ_RAS_TIMING)); |
| WREG32(MC_SEQ_CAS_TIMING_LP, RREG32(MC_SEQ_CAS_TIMING)); |
| WREG32(MC_SEQ_DLL_STBY_LP, RREG32(MC_SEQ_DLL_STBY)); |
| WREG32(MC_SEQ_G5PDX_CMD0_LP, RREG32(MC_SEQ_G5PDX_CMD0)); |
| WREG32(MC_SEQ_G5PDX_CMD1_LP, RREG32(MC_SEQ_G5PDX_CMD1)); |
| WREG32(MC_SEQ_G5PDX_CTRL_LP, RREG32(MC_SEQ_G5PDX_CTRL)); |
| WREG32(MC_SEQ_PMG_DVS_CMD_LP, RREG32(MC_SEQ_PMG_DVS_CMD)); |
| WREG32(MC_SEQ_PMG_DVS_CTL_LP, RREG32(MC_SEQ_PMG_DVS_CTL)); |
| WREG32(MC_SEQ_MISC_TIMING_LP, RREG32(MC_SEQ_MISC_TIMING)); |
| WREG32(MC_SEQ_MISC_TIMING2_LP, RREG32(MC_SEQ_MISC_TIMING2)); |
| WREG32(MC_SEQ_PMG_CMD_EMRS_LP, RREG32(MC_PMG_CMD_EMRS)); |
| WREG32(MC_SEQ_PMG_CMD_MRS_LP, RREG32(MC_PMG_CMD_MRS)); |
| WREG32(MC_SEQ_PMG_CMD_MRS1_LP, RREG32(MC_PMG_CMD_MRS1)); |
| WREG32(MC_SEQ_WR_CTL_D0_LP, RREG32(MC_SEQ_WR_CTL_D0)); |
| WREG32(MC_SEQ_WR_CTL_D1_LP, RREG32(MC_SEQ_WR_CTL_D1)); |
| WREG32(MC_SEQ_RD_CTL_D0_LP, RREG32(MC_SEQ_RD_CTL_D0)); |
| WREG32(MC_SEQ_RD_CTL_D1_LP, RREG32(MC_SEQ_RD_CTL_D1)); |
| WREG32(MC_SEQ_PMG_TIMING_LP, RREG32(MC_SEQ_PMG_TIMING)); |
| WREG32(MC_SEQ_PMG_CMD_MRS2_LP, RREG32(MC_PMG_CMD_MRS2)); |
| WREG32(MC_SEQ_WR_CTL_2_LP, RREG32(MC_SEQ_WR_CTL_2)); |
| |
| ret = radeon_atom_init_mc_reg_table(rdev, module_index, table); |
| if (ret) |
| goto init_mc_done; |
| |
| ret = ci_copy_vbios_mc_reg_table(table, ci_table); |
| if (ret) |
| goto init_mc_done; |
| |
| ci_set_s0_mc_reg_index(ci_table); |
| |
| ret = ci_register_patching_mc_seq(rdev, ci_table); |
| if (ret) |
| goto init_mc_done; |
| |
| ret = ci_set_mc_special_registers(rdev, ci_table); |
| if (ret) |
| goto init_mc_done; |
| |
| ci_set_valid_flag(ci_table); |
| |
| init_mc_done: |
| kfree(table); |
| |
| return ret; |
| } |
| |
| static int ci_populate_mc_reg_addresses(struct radeon_device *rdev, |
| SMU7_Discrete_MCRegisters *mc_reg_table) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 i, j; |
| |
| for (i = 0, j = 0; j < pi->mc_reg_table.last; j++) { |
| if (pi->mc_reg_table.valid_flag & (1 << j)) { |
| if (i >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE) |
| return -EINVAL; |
| mc_reg_table->address[i].s0 = cpu_to_be16(pi->mc_reg_table.mc_reg_address[j].s0); |
| mc_reg_table->address[i].s1 = cpu_to_be16(pi->mc_reg_table.mc_reg_address[j].s1); |
| i++; |
| } |
| } |
| |
| mc_reg_table->last = (u8)i; |
| |
| return 0; |
| } |
| |
| static void ci_convert_mc_registers(const struct ci_mc_reg_entry *entry, |
| SMU7_Discrete_MCRegisterSet *data, |
| u32 num_entries, u32 valid_flag) |
| { |
| u32 i, j; |
| |
| for (i = 0, j = 0; j < num_entries; j++) { |
| if (valid_flag & (1 << j)) { |
| data->value[i] = cpu_to_be32(entry->mc_data[j]); |
| i++; |
| } |
| } |
| } |
| |
| static void ci_convert_mc_reg_table_entry_to_smc(struct radeon_device *rdev, |
| const u32 memory_clock, |
| SMU7_Discrete_MCRegisterSet *mc_reg_table_data) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 i = 0; |
| |
| for(i = 0; i < pi->mc_reg_table.num_entries; i++) { |
| if (memory_clock <= pi->mc_reg_table.mc_reg_table_entry[i].mclk_max) |
| break; |
| } |
| |
| if ((i == pi->mc_reg_table.num_entries) && (i > 0)) |
| --i; |
| |
| ci_convert_mc_registers(&pi->mc_reg_table.mc_reg_table_entry[i], |
| mc_reg_table_data, pi->mc_reg_table.last, |
| pi->mc_reg_table.valid_flag); |
| } |
| |
| static void ci_convert_mc_reg_table_to_smc(struct radeon_device *rdev, |
| SMU7_Discrete_MCRegisters *mc_reg_table) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 i; |
| |
| for (i = 0; i < pi->dpm_table.mclk_table.count; i++) |
| ci_convert_mc_reg_table_entry_to_smc(rdev, |
| pi->dpm_table.mclk_table.dpm_levels[i].value, |
| &mc_reg_table->data[i]); |
| } |
| |
| static int ci_populate_initial_mc_reg_table(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| int ret; |
| |
| memset(&pi->smc_mc_reg_table, 0, sizeof(SMU7_Discrete_MCRegisters)); |
| |
| ret = ci_populate_mc_reg_addresses(rdev, &pi->smc_mc_reg_table); |
| if (ret) |
| return ret; |
| ci_convert_mc_reg_table_to_smc(rdev, &pi->smc_mc_reg_table); |
| |
| return ci_copy_bytes_to_smc(rdev, |
| pi->mc_reg_table_start, |
| (u8 *)&pi->smc_mc_reg_table, |
| sizeof(SMU7_Discrete_MCRegisters), |
| pi->sram_end); |
| } |
| |
| static int ci_update_and_upload_mc_reg_table(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| if (!(pi->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) |
| return 0; |
| |
| memset(&pi->smc_mc_reg_table, 0, sizeof(SMU7_Discrete_MCRegisters)); |
| |
| ci_convert_mc_reg_table_to_smc(rdev, &pi->smc_mc_reg_table); |
| |
| return ci_copy_bytes_to_smc(rdev, |
| pi->mc_reg_table_start + |
| offsetof(SMU7_Discrete_MCRegisters, data[0]), |
| (u8 *)&pi->smc_mc_reg_table.data[0], |
| sizeof(SMU7_Discrete_MCRegisterSet) * |
| pi->dpm_table.mclk_table.count, |
| pi->sram_end); |
| } |
| |
| static void ci_enable_voltage_control(struct radeon_device *rdev) |
| { |
| u32 tmp = RREG32_SMC(GENERAL_PWRMGT); |
| |
| tmp |= VOLT_PWRMGT_EN; |
| WREG32_SMC(GENERAL_PWRMGT, tmp); |
| } |
| |
| static enum radeon_pcie_gen ci_get_maximum_link_speed(struct radeon_device *rdev, |
| struct radeon_ps *radeon_state) |
| { |
| struct ci_ps *state = ci_get_ps(radeon_state); |
| int i; |
| u16 pcie_speed, max_speed = 0; |
| |
| for (i = 0; i < state->performance_level_count; i++) { |
| pcie_speed = state->performance_levels[i].pcie_gen; |
| if (max_speed < pcie_speed) |
| max_speed = pcie_speed; |
| } |
| |
| return max_speed; |
| } |
| |
| static u16 ci_get_current_pcie_speed(struct radeon_device *rdev) |
| { |
| u32 speed_cntl = 0; |
| |
| speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL) & LC_CURRENT_DATA_RATE_MASK; |
| speed_cntl >>= LC_CURRENT_DATA_RATE_SHIFT; |
| |
| return (u16)speed_cntl; |
| } |
| |
| static int ci_get_current_pcie_lane_number(struct radeon_device *rdev) |
| { |
| u32 link_width = 0; |
| |
| link_width = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL) & LC_LINK_WIDTH_RD_MASK; |
| link_width >>= LC_LINK_WIDTH_RD_SHIFT; |
| |
| switch (link_width) { |
| case RADEON_PCIE_LC_LINK_WIDTH_X1: |
| return 1; |
| case RADEON_PCIE_LC_LINK_WIDTH_X2: |
| return 2; |
| case RADEON_PCIE_LC_LINK_WIDTH_X4: |
| return 4; |
| case RADEON_PCIE_LC_LINK_WIDTH_X8: |
| return 8; |
| case RADEON_PCIE_LC_LINK_WIDTH_X12: |
| /* not actually supported */ |
| return 12; |
| case RADEON_PCIE_LC_LINK_WIDTH_X0: |
| case RADEON_PCIE_LC_LINK_WIDTH_X16: |
| default: |
| return 16; |
| } |
| } |
| |
| static void ci_request_link_speed_change_before_state_change(struct radeon_device *rdev, |
| struct radeon_ps *radeon_new_state, |
| struct radeon_ps *radeon_current_state) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| enum radeon_pcie_gen target_link_speed = |
| ci_get_maximum_link_speed(rdev, radeon_new_state); |
| enum radeon_pcie_gen current_link_speed; |
| |
| if (pi->force_pcie_gen == RADEON_PCIE_GEN_INVALID) |
| current_link_speed = ci_get_maximum_link_speed(rdev, radeon_current_state); |
| else |
| current_link_speed = pi->force_pcie_gen; |
| |
| pi->force_pcie_gen = RADEON_PCIE_GEN_INVALID; |
| pi->pspp_notify_required = false; |
| if (target_link_speed > current_link_speed) { |
| switch (target_link_speed) { |
| #ifdef CONFIG_ACPI |
| case RADEON_PCIE_GEN3: |
| if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN3, false) == 0) |
| break; |
| pi->force_pcie_gen = RADEON_PCIE_GEN2; |
| if (current_link_speed == RADEON_PCIE_GEN2) |
| break; |
| fallthrough; |
| case RADEON_PCIE_GEN2: |
| if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, false) == 0) |
| break; |
| fallthrough; |
| #endif |
| default: |
| pi->force_pcie_gen = ci_get_current_pcie_speed(rdev); |
| break; |
| } |
| } else { |
| if (target_link_speed < current_link_speed) |
| pi->pspp_notify_required = true; |
| } |
| } |
| |
| static void ci_notify_link_speed_change_after_state_change(struct radeon_device *rdev, |
| struct radeon_ps *radeon_new_state, |
| struct radeon_ps *radeon_current_state) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| enum radeon_pcie_gen target_link_speed = |
| ci_get_maximum_link_speed(rdev, radeon_new_state); |
| u8 request; |
| |
| if (pi->pspp_notify_required) { |
| if (target_link_speed == RADEON_PCIE_GEN3) |
| request = PCIE_PERF_REQ_PECI_GEN3; |
| else if (target_link_speed == RADEON_PCIE_GEN2) |
| request = PCIE_PERF_REQ_PECI_GEN2; |
| else |
| request = PCIE_PERF_REQ_PECI_GEN1; |
| |
| if ((request == PCIE_PERF_REQ_PECI_GEN1) && |
| (ci_get_current_pcie_speed(rdev) > 0)) |
| return; |
| |
| #ifdef CONFIG_ACPI |
| radeon_acpi_pcie_performance_request(rdev, request, false); |
| #endif |
| } |
| } |
| |
| static int ci_set_private_data_variables_based_on_pptable(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct radeon_clock_voltage_dependency_table *allowed_sclk_vddc_table = |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk; |
| struct radeon_clock_voltage_dependency_table *allowed_mclk_vddc_table = |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk; |
| struct radeon_clock_voltage_dependency_table *allowed_mclk_vddci_table = |
| &rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk; |
| |
| if (allowed_sclk_vddc_table == NULL) |
| return -EINVAL; |
| if (allowed_sclk_vddc_table->count < 1) |
| return -EINVAL; |
| if (allowed_mclk_vddc_table == NULL) |
| return -EINVAL; |
| if (allowed_mclk_vddc_table->count < 1) |
| return -EINVAL; |
| if (allowed_mclk_vddci_table == NULL) |
| return -EINVAL; |
| if (allowed_mclk_vddci_table->count < 1) |
| return -EINVAL; |
| |
| pi->min_vddc_in_pp_table = allowed_sclk_vddc_table->entries[0].v; |
| pi->max_vddc_in_pp_table = |
| allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v; |
| |
| pi->min_vddci_in_pp_table = allowed_mclk_vddci_table->entries[0].v; |
| pi->max_vddci_in_pp_table = |
| allowed_mclk_vddci_table->entries[allowed_mclk_vddci_table->count - 1].v; |
| |
| rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk = |
| allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].clk; |
| rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk = |
| allowed_mclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].clk; |
| rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddc = |
| allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v; |
| rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddci = |
| allowed_mclk_vddci_table->entries[allowed_mclk_vddci_table->count - 1].v; |
| |
| return 0; |
| } |
| |
| static void ci_patch_with_vddc_leakage(struct radeon_device *rdev, u16 *vddc) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_leakage_voltage *leakage_table = &pi->vddc_leakage; |
| u32 leakage_index; |
| |
| for (leakage_index = 0; leakage_index < leakage_table->count; leakage_index++) { |
| if (leakage_table->leakage_id[leakage_index] == *vddc) { |
| *vddc = leakage_table->actual_voltage[leakage_index]; |
| break; |
| } |
| } |
| } |
| |
| static void ci_patch_with_vddci_leakage(struct radeon_device *rdev, u16 *vddci) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_leakage_voltage *leakage_table = &pi->vddci_leakage; |
| u32 leakage_index; |
| |
| for (leakage_index = 0; leakage_index < leakage_table->count; leakage_index++) { |
| if (leakage_table->leakage_id[leakage_index] == *vddci) { |
| *vddci = leakage_table->actual_voltage[leakage_index]; |
| break; |
| } |
| } |
| } |
| |
| static void ci_patch_clock_voltage_dependency_table_with_vddc_leakage(struct radeon_device *rdev, |
| struct radeon_clock_voltage_dependency_table *table) |
| { |
| u32 i; |
| |
| if (table) { |
| for (i = 0; i < table->count; i++) |
| ci_patch_with_vddc_leakage(rdev, &table->entries[i].v); |
| } |
| } |
| |
| static void ci_patch_clock_voltage_dependency_table_with_vddci_leakage(struct radeon_device *rdev, |
| struct radeon_clock_voltage_dependency_table *table) |
| { |
| u32 i; |
| |
| if (table) { |
| for (i = 0; i < table->count; i++) |
| ci_patch_with_vddci_leakage(rdev, &table->entries[i].v); |
| } |
| } |
| |
| static void ci_patch_vce_clock_voltage_dependency_table_with_vddc_leakage(struct radeon_device *rdev, |
| struct radeon_vce_clock_voltage_dependency_table *table) |
| { |
| u32 i; |
| |
| if (table) { |
| for (i = 0; i < table->count; i++) |
| ci_patch_with_vddc_leakage(rdev, &table->entries[i].v); |
| } |
| } |
| |
| static void ci_patch_uvd_clock_voltage_dependency_table_with_vddc_leakage(struct radeon_device *rdev, |
| struct radeon_uvd_clock_voltage_dependency_table *table) |
| { |
| u32 i; |
| |
| if (table) { |
| for (i = 0; i < table->count; i++) |
| ci_patch_with_vddc_leakage(rdev, &table->entries[i].v); |
| } |
| } |
| |
| static void ci_patch_vddc_phase_shed_limit_table_with_vddc_leakage(struct radeon_device *rdev, |
| struct radeon_phase_shedding_limits_table *table) |
| { |
| u32 i; |
| |
| if (table) { |
| for (i = 0; i < table->count; i++) |
| ci_patch_with_vddc_leakage(rdev, &table->entries[i].voltage); |
| } |
| } |
| |
| static void ci_patch_clock_voltage_limits_with_vddc_leakage(struct radeon_device *rdev, |
| struct radeon_clock_and_voltage_limits *table) |
| { |
| if (table) { |
| ci_patch_with_vddc_leakage(rdev, (u16 *)&table->vddc); |
| ci_patch_with_vddci_leakage(rdev, (u16 *)&table->vddci); |
| } |
| } |
| |
| static void ci_patch_cac_leakage_table_with_vddc_leakage(struct radeon_device *rdev, |
| struct radeon_cac_leakage_table *table) |
| { |
| u32 i; |
| |
| if (table) { |
| for (i = 0; i < table->count; i++) |
| ci_patch_with_vddc_leakage(rdev, &table->entries[i].vddc); |
| } |
| } |
| |
| static void ci_patch_dependency_tables_with_leakage(struct radeon_device *rdev) |
| { |
| |
| ci_patch_clock_voltage_dependency_table_with_vddc_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk); |
| ci_patch_clock_voltage_dependency_table_with_vddc_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk); |
| ci_patch_clock_voltage_dependency_table_with_vddc_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk); |
| ci_patch_clock_voltage_dependency_table_with_vddci_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk); |
| ci_patch_vce_clock_voltage_dependency_table_with_vddc_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table); |
| ci_patch_uvd_clock_voltage_dependency_table_with_vddc_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table); |
| ci_patch_clock_voltage_dependency_table_with_vddc_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table); |
| ci_patch_clock_voltage_dependency_table_with_vddc_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table); |
| ci_patch_vddc_phase_shed_limit_table_with_vddc_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.phase_shedding_limits_table); |
| ci_patch_clock_voltage_limits_with_vddc_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac); |
| ci_patch_clock_voltage_limits_with_vddc_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc); |
| ci_patch_cac_leakage_table_with_vddc_leakage(rdev, |
| &rdev->pm.dpm.dyn_state.cac_leakage_table); |
| |
| } |
| |
| static void ci_get_memory_type(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| u32 tmp; |
| |
| tmp = RREG32(MC_SEQ_MISC0); |
| |
| if (((tmp & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT) == |
| MC_SEQ_MISC0_GDDR5_VALUE) |
| pi->mem_gddr5 = true; |
| else |
| pi->mem_gddr5 = false; |
| |
| } |
| |
| static void ci_update_current_ps(struct radeon_device *rdev, |
| struct radeon_ps *rps) |
| { |
| struct ci_ps *new_ps = ci_get_ps(rps); |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| pi->current_rps = *rps; |
| pi->current_ps = *new_ps; |
| pi->current_rps.ps_priv = &pi->current_ps; |
| } |
| |
| static void ci_update_requested_ps(struct radeon_device *rdev, |
| struct radeon_ps *rps) |
| { |
| struct ci_ps *new_ps = ci_get_ps(rps); |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| |
| pi->requested_rps = *rps; |
| pi->requested_ps = *new_ps; |
| pi->requested_rps.ps_priv = &pi->requested_ps; |
| } |
| |
| int ci_dpm_pre_set_power_state(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps; |
| struct radeon_ps *new_ps = &requested_ps; |
| |
| ci_update_requested_ps(rdev, new_ps); |
| |
| ci_apply_state_adjust_rules(rdev, &pi->requested_rps); |
| |
| return 0; |
| } |
| |
| void ci_dpm_post_set_power_state(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct radeon_ps *new_ps = &pi->requested_rps; |
| |
| ci_update_current_ps(rdev, new_ps); |
| } |
| |
| |
| void ci_dpm_setup_asic(struct radeon_device *rdev) |
| { |
| int r; |
| |
| r = ci_mc_load_microcode(rdev); |
| if (r) |
| DRM_ERROR("Failed to load MC firmware!\n"); |
| ci_read_clock_registers(rdev); |
| ci_get_memory_type(rdev); |
| ci_enable_acpi_power_management(rdev); |
| ci_init_sclk_t(rdev); |
| } |
| |
| int ci_dpm_enable(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps; |
| int ret; |
| |
| if (ci_is_smc_running(rdev)) |
| return -EINVAL; |
| if (pi->voltage_control != CISLANDS_VOLTAGE_CONTROL_NONE) { |
| ci_enable_voltage_control(rdev); |
| ret = ci_construct_voltage_tables(rdev); |
| if (ret) { |
| DRM_ERROR("ci_construct_voltage_tables failed\n"); |
| return ret; |
| } |
| } |
| if (pi->caps_dynamic_ac_timing) { |
| ret = ci_initialize_mc_reg_table(rdev); |
| if (ret) |
| pi->caps_dynamic_ac_timing = false; |
| } |
| if (pi->dynamic_ss) |
| ci_enable_spread_spectrum(rdev, true); |
| if (pi->thermal_protection) |
| ci_enable_thermal_protection(rdev, true); |
| ci_program_sstp(rdev); |
| ci_enable_display_gap(rdev); |
| ci_program_vc(rdev); |
| ret = ci_upload_firmware(rdev); |
| if (ret) { |
| DRM_ERROR("ci_upload_firmware failed\n"); |
| return ret; |
| } |
| ret = ci_process_firmware_header(rdev); |
| if (ret) { |
| DRM_ERROR("ci_process_firmware_header failed\n"); |
| return ret; |
| } |
| ret = ci_initial_switch_from_arb_f0_to_f1(rdev); |
| if (ret) { |
| DRM_ERROR("ci_initial_switch_from_arb_f0_to_f1 failed\n"); |
| return ret; |
| } |
| ret = ci_init_smc_table(rdev); |
| if (ret) { |
| DRM_ERROR("ci_init_smc_table failed\n"); |
| return ret; |
| } |
| ret = ci_init_arb_table_index(rdev); |
| if (ret) { |
| DRM_ERROR("ci_init_arb_table_index failed\n"); |
| return ret; |
| } |
| if (pi->caps_dynamic_ac_timing) { |
| ret = ci_populate_initial_mc_reg_table(rdev); |
| if (ret) { |
| DRM_ERROR("ci_populate_initial_mc_reg_table failed\n"); |
| return ret; |
| } |
| } |
| ret = ci_populate_pm_base(rdev); |
| if (ret) { |
| DRM_ERROR("ci_populate_pm_base failed\n"); |
| return ret; |
| } |
| ci_dpm_start_smc(rdev); |
| ci_enable_vr_hot_gpio_interrupt(rdev); |
| ret = ci_notify_smc_display_change(rdev, false); |
| if (ret) { |
| DRM_ERROR("ci_notify_smc_display_change failed\n"); |
| return ret; |
| } |
| ci_enable_sclk_control(rdev, true); |
| ret = ci_enable_ulv(rdev, true); |
| if (ret) { |
| DRM_ERROR("ci_enable_ulv failed\n"); |
| return ret; |
| } |
| ret = ci_enable_ds_master_switch(rdev, true); |
| if (ret) { |
| DRM_ERROR("ci_enable_ds_master_switch failed\n"); |
| return ret; |
| } |
| ret = ci_start_dpm(rdev); |
| if (ret) { |
| DRM_ERROR("ci_start_dpm failed\n"); |
| return ret; |
| } |
| ret = ci_enable_didt(rdev, true); |
| if (ret) { |
| DRM_ERROR("ci_enable_didt failed\n"); |
| return ret; |
| } |
| ret = ci_enable_smc_cac(rdev, true); |
| if (ret) { |
| DRM_ERROR("ci_enable_smc_cac failed\n"); |
| return ret; |
| } |
| ret = ci_enable_power_containment(rdev, true); |
| if (ret) { |
| DRM_ERROR("ci_enable_power_containment failed\n"); |
| return ret; |
| } |
| |
| ret = ci_power_control_set_level(rdev); |
| if (ret) { |
| DRM_ERROR("ci_power_control_set_level failed\n"); |
| return ret; |
| } |
| |
| ci_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true); |
| |
| ret = ci_enable_thermal_based_sclk_dpm(rdev, true); |
| if (ret) { |
| DRM_ERROR("ci_enable_thermal_based_sclk_dpm failed\n"); |
| return ret; |
| } |
| |
| ci_thermal_start_thermal_controller(rdev); |
| |
| ci_update_current_ps(rdev, boot_ps); |
| |
| return 0; |
| } |
| |
| static int ci_set_temperature_range(struct radeon_device *rdev) |
| { |
| int ret; |
| |
| ret = ci_thermal_enable_alert(rdev, false); |
| if (ret) |
| return ret; |
| ret = ci_thermal_set_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX); |
| if (ret) |
| return ret; |
| ret = ci_thermal_enable_alert(rdev, true); |
| if (ret) |
| return ret; |
| |
| return ret; |
| } |
| |
| int ci_dpm_late_enable(struct radeon_device *rdev) |
| { |
| int ret; |
| |
| ret = ci_set_temperature_range(rdev); |
| if (ret) |
| return ret; |
| |
| ci_dpm_powergate_uvd(rdev, true); |
| |
| return 0; |
| } |
| |
| void ci_dpm_disable(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps; |
| |
| ci_dpm_powergate_uvd(rdev, false); |
| |
| if (!ci_is_smc_running(rdev)) |
| return; |
| |
| ci_thermal_stop_thermal_controller(rdev); |
| |
| if (pi->thermal_protection) |
| ci_enable_thermal_protection(rdev, false); |
| ci_enable_power_containment(rdev, false); |
| ci_enable_smc_cac(rdev, false); |
| ci_enable_didt(rdev, false); |
| ci_enable_spread_spectrum(rdev, false); |
| ci_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, false); |
| ci_stop_dpm(rdev); |
| ci_enable_ds_master_switch(rdev, false); |
| ci_enable_ulv(rdev, false); |
| ci_clear_vc(rdev); |
| ci_reset_to_default(rdev); |
| ci_dpm_stop_smc(rdev); |
| ci_force_switch_to_arb_f0(rdev); |
| ci_enable_thermal_based_sclk_dpm(rdev, false); |
| |
| ci_update_current_ps(rdev, boot_ps); |
| } |
| |
| int ci_dpm_set_power_state(struct radeon_device *rdev) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct radeon_ps *new_ps = &pi->requested_rps; |
| struct radeon_ps *old_ps = &pi->current_rps; |
| int ret; |
| |
| ci_find_dpm_states_clocks_in_dpm_table(rdev, new_ps); |
| if (pi->pcie_performance_request) |
| ci_request_link_speed_change_before_state_change(rdev, new_ps, old_ps); |
| ret = ci_freeze_sclk_mclk_dpm(rdev); |
| if (ret) { |
| DRM_ERROR("ci_freeze_sclk_mclk_dpm failed\n"); |
| return ret; |
| } |
| ret = ci_populate_and_upload_sclk_mclk_dpm_levels(rdev, new_ps); |
| if (ret) { |
| DRM_ERROR("ci_populate_and_upload_sclk_mclk_dpm_levels failed\n"); |
| return ret; |
| } |
| ret = ci_generate_dpm_level_enable_mask(rdev, new_ps); |
| if (ret) { |
| DRM_ERROR("ci_generate_dpm_level_enable_mask failed\n"); |
| return ret; |
| } |
| |
| ret = ci_update_vce_dpm(rdev, new_ps, old_ps); |
| if (ret) { |
| DRM_ERROR("ci_update_vce_dpm failed\n"); |
| return ret; |
| } |
| |
| ret = ci_update_sclk_t(rdev); |
| if (ret) { |
| DRM_ERROR("ci_update_sclk_t failed\n"); |
| return ret; |
| } |
| if (pi->caps_dynamic_ac_timing) { |
| ret = ci_update_and_upload_mc_reg_table(rdev); |
| if (ret) { |
| DRM_ERROR("ci_update_and_upload_mc_reg_table failed\n"); |
| return ret; |
| } |
| } |
| ret = ci_program_memory_timing_parameters(rdev); |
| if (ret) { |
| DRM_ERROR("ci_program_memory_timing_parameters failed\n"); |
| return ret; |
| } |
| ret = ci_unfreeze_sclk_mclk_dpm(rdev); |
| if (ret) { |
| DRM_ERROR("ci_unfreeze_sclk_mclk_dpm failed\n"); |
| return ret; |
| } |
| ret = ci_upload_dpm_level_enable_mask(rdev); |
| if (ret) { |
| DRM_ERROR("ci_upload_dpm_level_enable_mask failed\n"); |
| return ret; |
| } |
| if (pi->pcie_performance_request) |
| ci_notify_link_speed_change_after_state_change(rdev, new_ps, old_ps); |
| |
| return 0; |
| } |
| |
| #if 0 |
| void ci_dpm_reset_asic(struct radeon_device *rdev) |
| { |
| ci_set_boot_state(rdev); |
| } |
| #endif |
| |
| void ci_dpm_display_configuration_changed(struct radeon_device *rdev) |
| { |
| ci_program_display_gap(rdev); |
| } |
| |
| union power_info { |
| struct _ATOM_POWERPLAY_INFO info; |
| struct _ATOM_POWERPLAY_INFO_V2 info_2; |
| struct _ATOM_POWERPLAY_INFO_V3 info_3; |
| struct _ATOM_PPLIB_POWERPLAYTABLE pplib; |
| struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2; |
| struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3; |
| }; |
| |
| union pplib_clock_info { |
| struct _ATOM_PPLIB_R600_CLOCK_INFO r600; |
| struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780; |
| struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen; |
| struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo; |
| struct _ATOM_PPLIB_SI_CLOCK_INFO si; |
| struct _ATOM_PPLIB_CI_CLOCK_INFO ci; |
| }; |
| |
| union pplib_power_state { |
| struct _ATOM_PPLIB_STATE v1; |
| struct _ATOM_PPLIB_STATE_V2 v2; |
| }; |
| |
| static void ci_parse_pplib_non_clock_info(struct radeon_device *rdev, |
| struct radeon_ps *rps, |
| struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info, |
| u8 table_rev) |
| { |
| rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings); |
| rps->class = le16_to_cpu(non_clock_info->usClassification); |
| rps->class2 = le16_to_cpu(non_clock_info->usClassification2); |
| |
| if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) { |
| rps->vclk = le32_to_cpu(non_clock_info->ulVCLK); |
| rps->dclk = le32_to_cpu(non_clock_info->ulDCLK); |
| } else { |
| rps->vclk = 0; |
| rps->dclk = 0; |
| } |
| |
| if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) |
| rdev->pm.dpm.boot_ps = rps; |
| if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) |
| rdev->pm.dpm.uvd_ps = rps; |
| } |
| |
| static void ci_parse_pplib_clock_info(struct radeon_device *rdev, |
| struct radeon_ps *rps, int index, |
| union pplib_clock_info *clock_info) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_ps *ps = ci_get_ps(rps); |
| struct ci_pl *pl = &ps->performance_levels[index]; |
| |
| ps->performance_level_count = index + 1; |
| |
| pl->sclk = le16_to_cpu(clock_info->ci.usEngineClockLow); |
| pl->sclk |= clock_info->ci.ucEngineClockHigh << 16; |
| pl->mclk = le16_to_cpu(clock_info->ci.usMemoryClockLow); |
| pl->mclk |= clock_info->ci.ucMemoryClockHigh << 16; |
| |
| pl->pcie_gen = r600_get_pcie_gen_support(rdev, |
| pi->sys_pcie_mask, |
| pi->vbios_boot_state.pcie_gen_bootup_value, |
| clock_info->ci.ucPCIEGen); |
| pl->pcie_lane = r600_get_pcie_lane_support(rdev, |
| pi->vbios_boot_state.pcie_lane_bootup_value, |
| le16_to_cpu(clock_info->ci.usPCIELane)); |
| |
| if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) { |
| pi->acpi_pcie_gen = pl->pcie_gen; |
| } |
| |
| if (rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) { |
| pi->ulv.supported = true; |
| pi->ulv.pl = *pl; |
| pi->ulv.cg_ulv_parameter = CISLANDS_CGULVPARAMETER_DFLT; |
| } |
| |
| /* patch up boot state */ |
| if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) { |
| pl->mclk = pi->vbios_boot_state.mclk_bootup_value; |
| pl->sclk = pi->vbios_boot_state.sclk_bootup_value; |
| pl->pcie_gen = pi->vbios_boot_state.pcie_gen_bootup_value; |
| pl->pcie_lane = pi->vbios_boot_state.pcie_lane_bootup_value; |
| } |
| |
| switch (rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) { |
| case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY: |
| pi->use_pcie_powersaving_levels = true; |
| if (pi->pcie_gen_powersaving.max < pl->pcie_gen) |
| pi->pcie_gen_powersaving.max = pl->pcie_gen; |
| if (pi->pcie_gen_powersaving.min > pl->pcie_gen) |
| pi->pcie_gen_powersaving.min = pl->pcie_gen; |
| if (pi->pcie_lane_powersaving.max < pl->pcie_lane) |
| pi->pcie_lane_powersaving.max = pl->pcie_lane; |
| if (pi->pcie_lane_powersaving.min > pl->pcie_lane) |
| pi->pcie_lane_powersaving.min = pl->pcie_lane; |
| break; |
| case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE: |
| pi->use_pcie_performance_levels = true; |
| if (pi->pcie_gen_performance.max < pl->pcie_gen) |
| pi->pcie_gen_performance.max = pl->pcie_gen; |
| if (pi->pcie_gen_performance.min > pl->pcie_gen) |
| pi->pcie_gen_performance.min = pl->pcie_gen; |
| if (pi->pcie_lane_performance.max < pl->pcie_lane) |
| pi->pcie_lane_performance.max = pl->pcie_lane; |
| if (pi->pcie_lane_performance.min > pl->pcie_lane) |
| pi->pcie_lane_performance.min = pl->pcie_lane; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static int ci_parse_power_table(struct radeon_device *rdev) |
| { |
| struct radeon_mode_info *mode_info = &rdev->mode_info; |
| struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info; |
| union pplib_power_state *power_state; |
| int i, j, k, non_clock_array_index, clock_array_index; |
| union pplib_clock_info *clock_info; |
| struct _StateArray *state_array; |
| struct _ClockInfoArray *clock_info_array; |
| struct _NonClockInfoArray *non_clock_info_array; |
| union power_info *power_info; |
| int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); |
| u16 data_offset; |
| u8 frev, crev; |
| u8 *power_state_offset; |
| struct ci_ps *ps; |
| |
| if (!atom_parse_data_header(mode_info->atom_context, index, NULL, |
| &frev, &crev, &data_offset)) |
| return -EINVAL; |
| power_info = (union power_info *)(mode_info->atom_context->bios + data_offset); |
| |
| state_array = (struct _StateArray *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib.usStateArrayOffset)); |
| clock_info_array = (struct _ClockInfoArray *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib.usClockInfoArrayOffset)); |
| non_clock_info_array = (struct _NonClockInfoArray *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset)); |
| |
| rdev->pm.dpm.ps = kcalloc(state_array->ucNumEntries, |
| sizeof(struct radeon_ps), |
| GFP_KERNEL); |
| if (!rdev->pm.dpm.ps) |
| return -ENOMEM; |
| power_state_offset = (u8 *)state_array->states; |
| rdev->pm.dpm.num_ps = 0; |
| for (i = 0; i < state_array->ucNumEntries; i++) { |
| u8 *idx; |
| power_state = (union pplib_power_state *)power_state_offset; |
| non_clock_array_index = power_state->v2.nonClockInfoIndex; |
| non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) |
| &non_clock_info_array->nonClockInfo[non_clock_array_index]; |
| if (!rdev->pm.power_state[i].clock_info) |
| return -EINVAL; |
| ps = kzalloc(sizeof(struct ci_ps), GFP_KERNEL); |
| if (ps == NULL) |
| return -ENOMEM; |
| rdev->pm.dpm.ps[i].ps_priv = ps; |
| ci_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i], |
| non_clock_info, |
| non_clock_info_array->ucEntrySize); |
| k = 0; |
| idx = (u8 *)&power_state->v2.clockInfoIndex[0]; |
| for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) { |
| clock_array_index = idx[j]; |
| if (clock_array_index >= clock_info_array->ucNumEntries) |
| continue; |
| if (k >= CISLANDS_MAX_HARDWARE_POWERLEVELS) |
| break; |
| clock_info = (union pplib_clock_info *) |
| ((u8 *)&clock_info_array->clockInfo[0] + |
| (clock_array_index * clock_info_array->ucEntrySize)); |
| ci_parse_pplib_clock_info(rdev, |
| &rdev->pm.dpm.ps[i], k, |
| clock_info); |
| k++; |
| } |
| power_state_offset += 2 + power_state->v2.ucNumDPMLevels; |
| rdev->pm.dpm.num_ps = i + 1; |
| } |
| |
| /* fill in the vce power states */ |
| for (i = 0; i < RADEON_MAX_VCE_LEVELS; i++) { |
| u32 sclk, mclk; |
| clock_array_index = rdev->pm.dpm.vce_states[i].clk_idx; |
| clock_info = (union pplib_clock_info *) |
| &clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize]; |
| sclk = le16_to_cpu(clock_info->ci.usEngineClockLow); |
| sclk |= clock_info->ci.ucEngineClockHigh << 16; |
| mclk = le16_to_cpu(clock_info->ci.usMemoryClockLow); |
| mclk |= clock_info->ci.ucMemoryClockHigh << 16; |
| rdev->pm.dpm.vce_states[i].sclk = sclk; |
| rdev->pm.dpm.vce_states[i].mclk = mclk; |
| } |
| |
| return 0; |
| } |
| |
| static int ci_get_vbios_boot_values(struct radeon_device *rdev, |
| struct ci_vbios_boot_state *boot_state) |
| { |
| struct radeon_mode_info *mode_info = &rdev->mode_info; |
| int index = GetIndexIntoMasterTable(DATA, FirmwareInfo); |
| ATOM_FIRMWARE_INFO_V2_2 *firmware_info; |
| u8 frev, crev; |
| u16 data_offset; |
| |
| if (atom_parse_data_header(mode_info->atom_context, index, NULL, |
| &frev, &crev, &data_offset)) { |
| firmware_info = |
| (ATOM_FIRMWARE_INFO_V2_2 *)(mode_info->atom_context->bios + |
| data_offset); |
| boot_state->mvdd_bootup_value = le16_to_cpu(firmware_info->usBootUpMVDDCVoltage); |
| boot_state->vddc_bootup_value = le16_to_cpu(firmware_info->usBootUpVDDCVoltage); |
| boot_state->vddci_bootup_value = le16_to_cpu(firmware_info->usBootUpVDDCIVoltage); |
| boot_state->pcie_gen_bootup_value = ci_get_current_pcie_speed(rdev); |
| boot_state->pcie_lane_bootup_value = ci_get_current_pcie_lane_number(rdev); |
| boot_state->sclk_bootup_value = le32_to_cpu(firmware_info->ulDefaultEngineClock); |
| boot_state->mclk_bootup_value = le32_to_cpu(firmware_info->ulDefaultMemoryClock); |
| |
| return 0; |
| } |
| return -EINVAL; |
| } |
| |
| void ci_dpm_fini(struct radeon_device *rdev) |
| { |
| int i; |
| |
| for (i = 0; i < rdev->pm.dpm.num_ps; i++) { |
| kfree(rdev->pm.dpm.ps[i].ps_priv); |
| } |
| kfree(rdev->pm.dpm.ps); |
| kfree(rdev->pm.dpm.priv); |
| kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries); |
| r600_free_extended_power_table(rdev); |
| } |
| |
| int ci_dpm_init(struct radeon_device *rdev) |
| { |
| int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info); |
| SMU7_Discrete_DpmTable *dpm_table; |
| struct radeon_gpio_rec gpio; |
| u16 data_offset, size; |
| u8 frev, crev; |
| struct ci_power_info *pi; |
| enum pci_bus_speed speed_cap = PCI_SPEED_UNKNOWN; |
| struct pci_dev *root = rdev->pdev->bus->self; |
| int ret; |
| |
| pi = kzalloc(sizeof(struct ci_power_info), GFP_KERNEL); |
| if (pi == NULL) |
| return -ENOMEM; |
| rdev->pm.dpm.priv = pi; |
| |
| if (!pci_is_root_bus(rdev->pdev->bus)) |
| speed_cap = pcie_get_speed_cap(root); |
| if (speed_cap == PCI_SPEED_UNKNOWN) { |
| pi->sys_pcie_mask = 0; |
| } else { |
| if (speed_cap == PCIE_SPEED_8_0GT) |
| pi->sys_pcie_mask = RADEON_PCIE_SPEED_25 | |
| RADEON_PCIE_SPEED_50 | |
| RADEON_PCIE_SPEED_80; |
| else if (speed_cap == PCIE_SPEED_5_0GT) |
| pi->sys_pcie_mask = RADEON_PCIE_SPEED_25 | |
| RADEON_PCIE_SPEED_50; |
| else |
| pi->sys_pcie_mask = RADEON_PCIE_SPEED_25; |
| } |
| pi->force_pcie_gen = RADEON_PCIE_GEN_INVALID; |
| |
| pi->pcie_gen_performance.max = RADEON_PCIE_GEN1; |
| pi->pcie_gen_performance.min = RADEON_PCIE_GEN3; |
| pi->pcie_gen_powersaving.max = RADEON_PCIE_GEN1; |
| pi->pcie_gen_powersaving.min = RADEON_PCIE_GEN3; |
| |
| pi->pcie_lane_performance.max = 0; |
| pi->pcie_lane_performance.min = 16; |
| pi->pcie_lane_powersaving.max = 0; |
| pi->pcie_lane_powersaving.min = 16; |
| |
| ret = ci_get_vbios_boot_values(rdev, &pi->vbios_boot_state); |
| if (ret) { |
| ci_dpm_fini(rdev); |
| return ret; |
| } |
| |
| ret = r600_get_platform_caps(rdev); |
| if (ret) { |
| ci_dpm_fini(rdev); |
| return ret; |
| } |
| |
| ret = r600_parse_extended_power_table(rdev); |
| if (ret) { |
| ci_dpm_fini(rdev); |
| return ret; |
| } |
| |
| ret = ci_parse_power_table(rdev); |
| if (ret) { |
| ci_dpm_fini(rdev); |
| return ret; |
| } |
| |
| pi->dll_default_on = false; |
| pi->sram_end = SMC_RAM_END; |
| |
| pi->activity_target[0] = CISLAND_TARGETACTIVITY_DFLT; |
| pi->activity_target[1] = CISLAND_TARGETACTIVITY_DFLT; |
| pi->activity_target[2] = CISLAND_TARGETACTIVITY_DFLT; |
| pi->activity_target[3] = CISLAND_TARGETACTIVITY_DFLT; |
| pi->activity_target[4] = CISLAND_TARGETACTIVITY_DFLT; |
| pi->activity_target[5] = CISLAND_TARGETACTIVITY_DFLT; |
| pi->activity_target[6] = CISLAND_TARGETACTIVITY_DFLT; |
| pi->activity_target[7] = CISLAND_TARGETACTIVITY_DFLT; |
| |
| pi->mclk_activity_target = CISLAND_MCLK_TARGETACTIVITY_DFLT; |
| |
| pi->sclk_dpm_key_disabled = 0; |
| pi->mclk_dpm_key_disabled = 0; |
| pi->pcie_dpm_key_disabled = 0; |
| pi->thermal_sclk_dpm_enabled = 0; |
| |
| /* mclk dpm is unstable on some R7 260X cards with the old mc ucode */ |
| if ((rdev->pdev->device == 0x6658) && |
| (rdev->mc_fw->size == (BONAIRE_MC_UCODE_SIZE * 4))) { |
| pi->mclk_dpm_key_disabled = 1; |
| } |
| |
| pi->caps_sclk_ds = true; |
| |
| pi->mclk_strobe_mode_threshold = 40000; |
| pi->mclk_stutter_mode_threshold = 40000; |
| pi->mclk_edc_enable_threshold = 40000; |
| pi->mclk_edc_wr_enable_threshold = 40000; |
| |
| ci_initialize_powertune_defaults(rdev); |
| |
| pi->caps_fps = false; |
| |
| pi->caps_sclk_throttle_low_notification = false; |
| |
| pi->caps_uvd_dpm = true; |
| pi->caps_vce_dpm = true; |
| |
| ci_get_leakage_voltages(rdev); |
| ci_patch_dependency_tables_with_leakage(rdev); |
| ci_set_private_data_variables_based_on_pptable(rdev); |
| |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries = |
| kcalloc(4, |
| sizeof(struct radeon_clock_voltage_dependency_entry), |
| GFP_KERNEL); |
| if (!rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) { |
| ci_dpm_fini(rdev); |
| return -ENOMEM; |
| } |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.count = 4; |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].clk = 0; |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].v = 0; |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].clk = 36000; |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].v = 720; |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].clk = 54000; |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].v = 810; |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].clk = 72000; |
| rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].v = 900; |
| |
| rdev->pm.dpm.dyn_state.mclk_sclk_ratio = 4; |
| rdev->pm.dpm.dyn_state.sclk_mclk_delta = 15000; |
| rdev->pm.dpm.dyn_state.vddc_vddci_delta = 200; |
| |
| rdev->pm.dpm.dyn_state.valid_sclk_values.count = 0; |
| rdev->pm.dpm.dyn_state.valid_sclk_values.values = NULL; |
| rdev->pm.dpm.dyn_state.valid_mclk_values.count = 0; |
| rdev->pm.dpm.dyn_state.valid_mclk_values.values = NULL; |
| |
| if (rdev->family == CHIP_HAWAII) { |
| pi->thermal_temp_setting.temperature_low = 94500; |
| pi->thermal_temp_setting.temperature_high = 95000; |
| pi->thermal_temp_setting.temperature_shutdown = 104000; |
| } else { |
| pi->thermal_temp_setting.temperature_low = 99500; |
| pi->thermal_temp_setting.temperature_high = 100000; |
| pi->thermal_temp_setting.temperature_shutdown = 104000; |
| } |
| |
| pi->uvd_enabled = false; |
| |
| dpm_table = &pi->smc_state_table; |
| |
| gpio = radeon_atombios_lookup_gpio(rdev, VDDC_VRHOT_GPIO_PINID); |
| if (gpio.valid) { |
| dpm_table->VRHotGpio = gpio.shift; |
| rdev->pm.dpm.platform_caps |= ATOM_PP_PLATFORM_CAP_REGULATOR_HOT; |
| } else { |
| dpm_table->VRHotGpio = CISLANDS_UNUSED_GPIO_PIN; |
| rdev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_REGULATOR_HOT; |
| } |
| |
| gpio = radeon_atombios_lookup_gpio(rdev, PP_AC_DC_SWITCH_GPIO_PINID); |
| if (gpio.valid) { |
| dpm_table->AcDcGpio = gpio.shift; |
| rdev->pm.dpm.platform_caps |= ATOM_PP_PLATFORM_CAP_HARDWAREDC; |
| } else { |
| dpm_table->AcDcGpio = CISLANDS_UNUSED_GPIO_PIN; |
| rdev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_HARDWAREDC; |
| } |
| |
| gpio = radeon_atombios_lookup_gpio(rdev, VDDC_PCC_GPIO_PINID); |
| if (gpio.valid) { |
| u32 tmp = RREG32_SMC(CNB_PWRMGT_CNTL); |
| |
| switch (gpio.shift) { |
| case 0: |
| tmp &= ~GNB_SLOW_MODE_MASK; |
| tmp |= GNB_SLOW_MODE(1); |
| break; |
| case 1: |
| tmp &= ~GNB_SLOW_MODE_MASK; |
| tmp |= GNB_SLOW_MODE(2); |
| break; |
| case 2: |
| tmp |= GNB_SLOW; |
| break; |
| case 3: |
| tmp |= FORCE_NB_PS1; |
| break; |
| case 4: |
| tmp |= DPM_ENABLED; |
| break; |
| default: |
| DRM_DEBUG("Invalid PCC GPIO: %u!\n", gpio.shift); |
| break; |
| } |
| WREG32_SMC(CNB_PWRMGT_CNTL, tmp); |
| } |
| |
| pi->voltage_control = CISLANDS_VOLTAGE_CONTROL_NONE; |
| pi->vddci_control = CISLANDS_VOLTAGE_CONTROL_NONE; |
| pi->mvdd_control = CISLANDS_VOLTAGE_CONTROL_NONE; |
| if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_GPIO_LUT)) |
| pi->voltage_control = CISLANDS_VOLTAGE_CONTROL_BY_GPIO; |
| else if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2)) |
| pi->voltage_control = CISLANDS_VOLTAGE_CONTROL_BY_SVID2; |
| |
| if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_VDDCI_CONTROL) { |
| if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT)) |
| pi->vddci_control = CISLANDS_VOLTAGE_CONTROL_BY_GPIO; |
| else if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_SVID2)) |
| pi->vddci_control = CISLANDS_VOLTAGE_CONTROL_BY_SVID2; |
| else |
| rdev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_VDDCI_CONTROL; |
| } |
| |
| if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_MVDDCONTROL) { |
| if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT)) |
| pi->mvdd_control = CISLANDS_VOLTAGE_CONTROL_BY_GPIO; |
| else if (radeon_atom_is_voltage_gpio(rdev, VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_SVID2)) |
| pi->mvdd_control = CISLANDS_VOLTAGE_CONTROL_BY_SVID2; |
| else |
| rdev->pm.dpm.platform_caps &= ~ATOM_PP_PLATFORM_CAP_MVDDCONTROL; |
| } |
| |
| pi->vddc_phase_shed_control = true; |
| |
| #if defined(CONFIG_ACPI) |
| pi->pcie_performance_request = |
| radeon_acpi_is_pcie_performance_request_supported(rdev); |
| #else |
| pi->pcie_performance_request = false; |
| #endif |
| |
| if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size, |
| &frev, &crev, &data_offset)) { |
| pi->caps_sclk_ss_support = true; |
| pi->caps_mclk_ss_support = true; |
| pi->dynamic_ss = true; |
| } else { |
| pi->caps_sclk_ss_support = false; |
| pi->caps_mclk_ss_support = false; |
| pi->dynamic_ss = true; |
| } |
| |
| if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE) |
| pi->thermal_protection = true; |
| else |
| pi->thermal_protection = false; |
| |
| pi->caps_dynamic_ac_timing = true; |
| |
| pi->uvd_power_gated = false; |
| |
| /* make sure dc limits are valid */ |
| if ((rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk == 0) || |
| (rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk == 0)) |
| rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc = |
| rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac; |
| |
| pi->fan_ctrl_is_in_default_mode = true; |
| |
| return 0; |
| } |
| |
| void ci_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, |
| struct seq_file *m) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct radeon_ps *rps = &pi->current_rps; |
| u32 sclk = ci_get_average_sclk_freq(rdev); |
| u32 mclk = ci_get_average_mclk_freq(rdev); |
| |
| seq_printf(m, "uvd %sabled\n", pi->uvd_enabled ? "en" : "dis"); |
| seq_printf(m, "vce %sabled\n", rps->vce_active ? "en" : "dis"); |
| seq_printf(m, "power level avg sclk: %u mclk: %u\n", |
| sclk, mclk); |
| } |
| |
| void ci_dpm_print_power_state(struct radeon_device *rdev, |
| struct radeon_ps *rps) |
| { |
| struct ci_ps *ps = ci_get_ps(rps); |
| struct ci_pl *pl; |
| int i; |
| |
| r600_dpm_print_class_info(rps->class, rps->class2); |
| r600_dpm_print_cap_info(rps->caps); |
| printk("\tuvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); |
| for (i = 0; i < ps->performance_level_count; i++) { |
| pl = &ps->performance_levels[i]; |
| printk("\t\tpower level %d sclk: %u mclk: %u pcie gen: %u pcie lanes: %u\n", |
| i, pl->sclk, pl->mclk, pl->pcie_gen + 1, pl->pcie_lane); |
| } |
| r600_dpm_print_ps_status(rdev, rps); |
| } |
| |
| u32 ci_dpm_get_current_sclk(struct radeon_device *rdev) |
| { |
| u32 sclk = ci_get_average_sclk_freq(rdev); |
| |
| return sclk; |
| } |
| |
| u32 ci_dpm_get_current_mclk(struct radeon_device *rdev) |
| { |
| u32 mclk = ci_get_average_mclk_freq(rdev); |
| |
| return mclk; |
| } |
| |
| u32 ci_dpm_get_sclk(struct radeon_device *rdev, bool low) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_ps *requested_state = ci_get_ps(&pi->requested_rps); |
| |
| if (low) |
| return requested_state->performance_levels[0].sclk; |
| else |
| return requested_state->performance_levels[requested_state->performance_level_count - 1].sclk; |
| } |
| |
| u32 ci_dpm_get_mclk(struct radeon_device *rdev, bool low) |
| { |
| struct ci_power_info *pi = ci_get_pi(rdev); |
| struct ci_ps *requested_state = ci_get_ps(&pi->requested_rps); |
| |
| if (low) |
| return requested_state->performance_levels[0].mclk; |
| else |
| return requested_state->performance_levels[requested_state->performance_level_count - 1].mclk; |
| } |