| /* |
| * Copyright 2007-8 Advanced Micro Devices, Inc. |
| * Copyright 2008 Red Hat 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. |
| * |
| * Authors: Dave Airlie |
| * Alex Deucher |
| */ |
| |
| #include <drm/drm_crtc_helper.h> |
| #include <drm/drm_fb_helper.h> |
| #include <drm/drm_fixed.h> |
| #include <drm/drm_fourcc.h> |
| #include <drm/drm_framebuffer.h> |
| #include <drm/drm_vblank.h> |
| #include <drm/radeon_drm.h> |
| |
| #include "radeon.h" |
| #include "atom.h" |
| #include "atom-bits.h" |
| |
| static void atombios_overscan_setup(struct drm_crtc *crtc, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| SET_CRTC_OVERSCAN_PS_ALLOCATION args; |
| int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_OverScan); |
| int a1, a2; |
| |
| memset(&args, 0, sizeof(args)); |
| |
| args.ucCRTC = radeon_crtc->crtc_id; |
| |
| switch (radeon_crtc->rmx_type) { |
| case RMX_CENTER: |
| args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2); |
| args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2); |
| args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2); |
| args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2); |
| break; |
| case RMX_ASPECT: |
| a1 = mode->crtc_vdisplay * adjusted_mode->crtc_hdisplay; |
| a2 = adjusted_mode->crtc_vdisplay * mode->crtc_hdisplay; |
| |
| if (a1 > a2) { |
| args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2); |
| args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2); |
| } else if (a2 > a1) { |
| args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2); |
| args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2); |
| } |
| break; |
| case RMX_FULL: |
| default: |
| args.usOverscanRight = cpu_to_le16(radeon_crtc->h_border); |
| args.usOverscanLeft = cpu_to_le16(radeon_crtc->h_border); |
| args.usOverscanBottom = cpu_to_le16(radeon_crtc->v_border); |
| args.usOverscanTop = cpu_to_le16(radeon_crtc->v_border); |
| break; |
| } |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| } |
| |
| static void atombios_scaler_setup(struct drm_crtc *crtc) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| ENABLE_SCALER_PS_ALLOCATION args; |
| int index = GetIndexIntoMasterTable(COMMAND, EnableScaler); |
| struct radeon_encoder *radeon_encoder = |
| to_radeon_encoder(radeon_crtc->encoder); |
| /* fixme - fill in enc_priv for atom dac */ |
| enum radeon_tv_std tv_std = TV_STD_NTSC; |
| bool is_tv = false, is_cv = false; |
| |
| if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id) |
| return; |
| |
| if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) { |
| struct radeon_encoder_atom_dac *tv_dac = radeon_encoder->enc_priv; |
| tv_std = tv_dac->tv_std; |
| is_tv = true; |
| } |
| |
| memset(&args, 0, sizeof(args)); |
| |
| args.ucScaler = radeon_crtc->crtc_id; |
| |
| if (is_tv) { |
| switch (tv_std) { |
| case TV_STD_NTSC: |
| default: |
| args.ucTVStandard = ATOM_TV_NTSC; |
| break; |
| case TV_STD_PAL: |
| args.ucTVStandard = ATOM_TV_PAL; |
| break; |
| case TV_STD_PAL_M: |
| args.ucTVStandard = ATOM_TV_PALM; |
| break; |
| case TV_STD_PAL_60: |
| args.ucTVStandard = ATOM_TV_PAL60; |
| break; |
| case TV_STD_NTSC_J: |
| args.ucTVStandard = ATOM_TV_NTSCJ; |
| break; |
| case TV_STD_SCART_PAL: |
| args.ucTVStandard = ATOM_TV_PAL; /* ??? */ |
| break; |
| case TV_STD_SECAM: |
| args.ucTVStandard = ATOM_TV_SECAM; |
| break; |
| case TV_STD_PAL_CN: |
| args.ucTVStandard = ATOM_TV_PALCN; |
| break; |
| } |
| args.ucEnable = SCALER_ENABLE_MULTITAP_MODE; |
| } else if (is_cv) { |
| args.ucTVStandard = ATOM_TV_CV; |
| args.ucEnable = SCALER_ENABLE_MULTITAP_MODE; |
| } else { |
| switch (radeon_crtc->rmx_type) { |
| case RMX_FULL: |
| args.ucEnable = ATOM_SCALER_EXPANSION; |
| break; |
| case RMX_CENTER: |
| args.ucEnable = ATOM_SCALER_CENTER; |
| break; |
| case RMX_ASPECT: |
| args.ucEnable = ATOM_SCALER_EXPANSION; |
| break; |
| default: |
| if (ASIC_IS_AVIVO(rdev)) |
| args.ucEnable = ATOM_SCALER_DISABLE; |
| else |
| args.ucEnable = ATOM_SCALER_CENTER; |
| break; |
| } |
| } |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| if ((is_tv || is_cv) |
| && rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) { |
| atom_rv515_force_tv_scaler(rdev, radeon_crtc); |
| } |
| } |
| |
| static void atombios_lock_crtc(struct drm_crtc *crtc, int lock) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| int index = |
| GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters); |
| ENABLE_CRTC_PS_ALLOCATION args; |
| |
| memset(&args, 0, sizeof(args)); |
| |
| args.ucCRTC = radeon_crtc->crtc_id; |
| args.ucEnable = lock; |
| |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| } |
| |
| static void atombios_enable_crtc(struct drm_crtc *crtc, int state) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC); |
| ENABLE_CRTC_PS_ALLOCATION args; |
| |
| memset(&args, 0, sizeof(args)); |
| |
| args.ucCRTC = radeon_crtc->crtc_id; |
| args.ucEnable = state; |
| |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| } |
| |
| static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq); |
| ENABLE_CRTC_PS_ALLOCATION args; |
| |
| memset(&args, 0, sizeof(args)); |
| |
| args.ucCRTC = radeon_crtc->crtc_id; |
| args.ucEnable = state; |
| |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| } |
| |
| static const u32 vga_control_regs[6] = |
| { |
| AVIVO_D1VGA_CONTROL, |
| AVIVO_D2VGA_CONTROL, |
| EVERGREEN_D3VGA_CONTROL, |
| EVERGREEN_D4VGA_CONTROL, |
| EVERGREEN_D5VGA_CONTROL, |
| EVERGREEN_D6VGA_CONTROL, |
| }; |
| |
| static void atombios_blank_crtc(struct drm_crtc *crtc, int state) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC); |
| BLANK_CRTC_PS_ALLOCATION args; |
| u32 vga_control = 0; |
| |
| memset(&args, 0, sizeof(args)); |
| |
| if (ASIC_IS_DCE8(rdev)) { |
| vga_control = RREG32(vga_control_regs[radeon_crtc->crtc_id]); |
| WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control | 1); |
| } |
| |
| args.ucCRTC = radeon_crtc->crtc_id; |
| args.ucBlanking = state; |
| |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| |
| if (ASIC_IS_DCE8(rdev)) |
| WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control); |
| } |
| |
| static void atombios_powergate_crtc(struct drm_crtc *crtc, int state) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); |
| ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; |
| |
| memset(&args, 0, sizeof(args)); |
| |
| args.ucDispPipeId = radeon_crtc->crtc_id; |
| args.ucEnable = state; |
| |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| } |
| |
| void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| |
| switch (mode) { |
| case DRM_MODE_DPMS_ON: |
| radeon_crtc->enabled = true; |
| atombios_enable_crtc(crtc, ATOM_ENABLE); |
| if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) |
| atombios_enable_crtc_memreq(crtc, ATOM_ENABLE); |
| atombios_blank_crtc(crtc, ATOM_DISABLE); |
| if (dev->num_crtcs > radeon_crtc->crtc_id) |
| drm_crtc_vblank_on(crtc); |
| radeon_crtc_load_lut(crtc); |
| break; |
| case DRM_MODE_DPMS_STANDBY: |
| case DRM_MODE_DPMS_SUSPEND: |
| case DRM_MODE_DPMS_OFF: |
| if (dev->num_crtcs > radeon_crtc->crtc_id) |
| drm_crtc_vblank_off(crtc); |
| if (radeon_crtc->enabled) |
| atombios_blank_crtc(crtc, ATOM_ENABLE); |
| if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) |
| atombios_enable_crtc_memreq(crtc, ATOM_DISABLE); |
| atombios_enable_crtc(crtc, ATOM_DISABLE); |
| radeon_crtc->enabled = false; |
| break; |
| } |
| /* adjust pm to dpms */ |
| radeon_pm_compute_clocks(rdev); |
| } |
| |
| static void |
| atombios_set_crtc_dtd_timing(struct drm_crtc *crtc, |
| struct drm_display_mode *mode) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| SET_CRTC_USING_DTD_TIMING_PARAMETERS args; |
| int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming); |
| u16 misc = 0; |
| |
| memset(&args, 0, sizeof(args)); |
| args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2)); |
| args.usH_Blanking_Time = |
| cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2)); |
| args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2)); |
| args.usV_Blanking_Time = |
| cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2)); |
| args.usH_SyncOffset = |
| cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border); |
| args.usH_SyncWidth = |
| cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); |
| args.usV_SyncOffset = |
| cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border); |
| args.usV_SyncWidth = |
| cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); |
| args.ucH_Border = radeon_crtc->h_border; |
| args.ucV_Border = radeon_crtc->v_border; |
| |
| if (mode->flags & DRM_MODE_FLAG_NVSYNC) |
| misc |= ATOM_VSYNC_POLARITY; |
| if (mode->flags & DRM_MODE_FLAG_NHSYNC) |
| misc |= ATOM_HSYNC_POLARITY; |
| if (mode->flags & DRM_MODE_FLAG_CSYNC) |
| misc |= ATOM_COMPOSITESYNC; |
| if (mode->flags & DRM_MODE_FLAG_INTERLACE) |
| misc |= ATOM_INTERLACE; |
| if (mode->flags & DRM_MODE_FLAG_DBLCLK) |
| misc |= ATOM_DOUBLE_CLOCK_MODE; |
| if (mode->flags & DRM_MODE_FLAG_DBLSCAN) |
| misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; |
| |
| args.susModeMiscInfo.usAccess = cpu_to_le16(misc); |
| args.ucCRTC = radeon_crtc->crtc_id; |
| |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| } |
| |
| static void atombios_crtc_set_timing(struct drm_crtc *crtc, |
| struct drm_display_mode *mode) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args; |
| int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing); |
| u16 misc = 0; |
| |
| memset(&args, 0, sizeof(args)); |
| args.usH_Total = cpu_to_le16(mode->crtc_htotal); |
| args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay); |
| args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start); |
| args.usH_SyncWidth = |
| cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); |
| args.usV_Total = cpu_to_le16(mode->crtc_vtotal); |
| args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay); |
| args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start); |
| args.usV_SyncWidth = |
| cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); |
| |
| args.ucOverscanRight = radeon_crtc->h_border; |
| args.ucOverscanLeft = radeon_crtc->h_border; |
| args.ucOverscanBottom = radeon_crtc->v_border; |
| args.ucOverscanTop = radeon_crtc->v_border; |
| |
| if (mode->flags & DRM_MODE_FLAG_NVSYNC) |
| misc |= ATOM_VSYNC_POLARITY; |
| if (mode->flags & DRM_MODE_FLAG_NHSYNC) |
| misc |= ATOM_HSYNC_POLARITY; |
| if (mode->flags & DRM_MODE_FLAG_CSYNC) |
| misc |= ATOM_COMPOSITESYNC; |
| if (mode->flags & DRM_MODE_FLAG_INTERLACE) |
| misc |= ATOM_INTERLACE; |
| if (mode->flags & DRM_MODE_FLAG_DBLCLK) |
| misc |= ATOM_DOUBLE_CLOCK_MODE; |
| if (mode->flags & DRM_MODE_FLAG_DBLSCAN) |
| misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; |
| |
| args.susModeMiscInfo.usAccess = cpu_to_le16(misc); |
| args.ucCRTC = radeon_crtc->crtc_id; |
| |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| } |
| |
| static void atombios_disable_ss(struct radeon_device *rdev, int pll_id) |
| { |
| u32 ss_cntl; |
| |
| if (ASIC_IS_DCE4(rdev)) { |
| switch (pll_id) { |
| case ATOM_PPLL1: |
| ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL); |
| ss_cntl &= ~EVERGREEN_PxPLL_SS_EN; |
| WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl); |
| break; |
| case ATOM_PPLL2: |
| ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL); |
| ss_cntl &= ~EVERGREEN_PxPLL_SS_EN; |
| WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl); |
| break; |
| case ATOM_DCPLL: |
| case ATOM_PPLL_INVALID: |
| return; |
| } |
| } else if (ASIC_IS_AVIVO(rdev)) { |
| switch (pll_id) { |
| case ATOM_PPLL1: |
| ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL); |
| ss_cntl &= ~1; |
| WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl); |
| break; |
| case ATOM_PPLL2: |
| ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL); |
| ss_cntl &= ~1; |
| WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl); |
| break; |
| case ATOM_DCPLL: |
| case ATOM_PPLL_INVALID: |
| return; |
| } |
| } |
| } |
| |
| |
| union atom_enable_ss { |
| ENABLE_LVDS_SS_PARAMETERS lvds_ss; |
| ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2; |
| ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1; |
| ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2; |
| ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3; |
| }; |
| |
| static void atombios_crtc_program_ss(struct radeon_device *rdev, |
| int enable, |
| int pll_id, |
| int crtc_id, |
| struct radeon_atom_ss *ss) |
| { |
| unsigned i; |
| int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL); |
| union atom_enable_ss args; |
| |
| if (enable) { |
| /* Don't mess with SS if percentage is 0 or external ss. |
| * SS is already disabled previously, and disabling it |
| * again can cause display problems if the pll is already |
| * programmed. |
| */ |
| if (ss->percentage == 0) |
| return; |
| if (ss->type & ATOM_EXTERNAL_SS_MASK) |
| return; |
| } else { |
| for (i = 0; i < rdev->num_crtc; i++) { |
| if (rdev->mode_info.crtcs[i] && |
| rdev->mode_info.crtcs[i]->enabled && |
| i != crtc_id && |
| pll_id == rdev->mode_info.crtcs[i]->pll_id) { |
| /* one other crtc is using this pll don't turn |
| * off spread spectrum as it might turn off |
| * display on active crtc |
| */ |
| return; |
| } |
| } |
| } |
| |
| memset(&args, 0, sizeof(args)); |
| |
| if (ASIC_IS_DCE5(rdev)) { |
| args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0); |
| args.v3.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; |
| switch (pll_id) { |
| case ATOM_PPLL1: |
| args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL; |
| break; |
| case ATOM_PPLL2: |
| args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL; |
| break; |
| case ATOM_DCPLL: |
| args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL; |
| break; |
| case ATOM_PPLL_INVALID: |
| return; |
| } |
| args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); |
| args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step); |
| args.v3.ucEnable = enable; |
| } else if (ASIC_IS_DCE4(rdev)) { |
| args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); |
| args.v2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; |
| switch (pll_id) { |
| case ATOM_PPLL1: |
| args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL; |
| break; |
| case ATOM_PPLL2: |
| args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL; |
| break; |
| case ATOM_DCPLL: |
| args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL; |
| break; |
| case ATOM_PPLL_INVALID: |
| return; |
| } |
| args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); |
| args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step); |
| args.v2.ucEnable = enable; |
| } else if (ASIC_IS_DCE3(rdev)) { |
| args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); |
| args.v1.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; |
| args.v1.ucSpreadSpectrumStep = ss->step; |
| args.v1.ucSpreadSpectrumDelay = ss->delay; |
| args.v1.ucSpreadSpectrumRange = ss->range; |
| args.v1.ucPpll = pll_id; |
| args.v1.ucEnable = enable; |
| } else if (ASIC_IS_AVIVO(rdev)) { |
| if ((enable == ATOM_DISABLE) || (ss->percentage == 0) || |
| (ss->type & ATOM_EXTERNAL_SS_MASK)) { |
| atombios_disable_ss(rdev, pll_id); |
| return; |
| } |
| args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); |
| args.lvds_ss_2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; |
| args.lvds_ss_2.ucSpreadSpectrumStep = ss->step; |
| args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay; |
| args.lvds_ss_2.ucSpreadSpectrumRange = ss->range; |
| args.lvds_ss_2.ucEnable = enable; |
| } else { |
| if (enable == ATOM_DISABLE) { |
| atombios_disable_ss(rdev, pll_id); |
| return; |
| } |
| args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); |
| args.lvds_ss.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; |
| args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2; |
| args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4; |
| args.lvds_ss.ucEnable = enable; |
| } |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| } |
| |
| union adjust_pixel_clock { |
| ADJUST_DISPLAY_PLL_PS_ALLOCATION v1; |
| ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3; |
| }; |
| |
| static u32 atombios_adjust_pll(struct drm_crtc *crtc, |
| struct drm_display_mode *mode) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct drm_encoder *encoder = radeon_crtc->encoder; |
| struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
| struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); |
| u32 adjusted_clock = mode->clock; |
| int encoder_mode = atombios_get_encoder_mode(encoder); |
| u32 dp_clock = mode->clock; |
| u32 clock = mode->clock; |
| int bpc = radeon_crtc->bpc; |
| bool is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock); |
| |
| /* reset the pll flags */ |
| radeon_crtc->pll_flags = 0; |
| |
| if (ASIC_IS_AVIVO(rdev)) { |
| if ((rdev->family == CHIP_RS600) || |
| (rdev->family == CHIP_RS690) || |
| (rdev->family == CHIP_RS740)) |
| radeon_crtc->pll_flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/ |
| RADEON_PLL_PREFER_CLOSEST_LOWER); |
| |
| if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */ |
| radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; |
| else |
| radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; |
| |
| if (rdev->family < CHIP_RV770) |
| radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP; |
| /* use frac fb div on APUs */ |
| if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev)) |
| radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; |
| /* use frac fb div on RS780/RS880 */ |
| if (((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880)) |
| && !radeon_crtc->ss_enabled) |
| radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; |
| if (ASIC_IS_DCE32(rdev) && mode->clock > 165000) |
| radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; |
| } else { |
| radeon_crtc->pll_flags |= RADEON_PLL_LEGACY; |
| |
| if (mode->clock > 200000) /* range limits??? */ |
| radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; |
| else |
| radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; |
| } |
| |
| if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || |
| (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) { |
| if (connector) { |
| struct radeon_connector *radeon_connector = to_radeon_connector(connector); |
| struct radeon_connector_atom_dig *dig_connector = |
| radeon_connector->con_priv; |
| |
| dp_clock = dig_connector->dp_clock; |
| } |
| } |
| |
| if (radeon_encoder->is_mst_encoder) { |
| struct radeon_encoder_mst *mst_enc = radeon_encoder->enc_priv; |
| struct radeon_connector_atom_dig *dig_connector = mst_enc->connector->con_priv; |
| |
| dp_clock = dig_connector->dp_clock; |
| } |
| |
| /* use recommended ref_div for ss */ |
| if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { |
| if (radeon_crtc->ss_enabled) { |
| if (radeon_crtc->ss.refdiv) { |
| radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; |
| radeon_crtc->pll_reference_div = radeon_crtc->ss.refdiv; |
| if (ASIC_IS_AVIVO(rdev) && |
| rdev->family != CHIP_RS780 && |
| rdev->family != CHIP_RS880) |
| radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; |
| } |
| } |
| } |
| |
| if (ASIC_IS_AVIVO(rdev)) { |
| /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */ |
| if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1) |
| adjusted_clock = mode->clock * 2; |
| if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) |
| radeon_crtc->pll_flags |= RADEON_PLL_PREFER_CLOSEST_LOWER; |
| if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) |
| radeon_crtc->pll_flags |= RADEON_PLL_IS_LCD; |
| } else { |
| if (encoder->encoder_type != DRM_MODE_ENCODER_DAC) |
| radeon_crtc->pll_flags |= RADEON_PLL_NO_ODD_POST_DIV; |
| if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) |
| radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; |
| } |
| |
| /* adjust pll for deep color modes */ |
| if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { |
| switch (bpc) { |
| case 8: |
| default: |
| break; |
| case 10: |
| clock = (clock * 5) / 4; |
| break; |
| case 12: |
| clock = (clock * 3) / 2; |
| break; |
| case 16: |
| clock = clock * 2; |
| break; |
| } |
| } |
| |
| /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock |
| * accordingly based on the encoder/transmitter to work around |
| * special hw requirements. |
| */ |
| if (ASIC_IS_DCE3(rdev)) { |
| union adjust_pixel_clock args; |
| u8 frev, crev; |
| int index; |
| |
| index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll); |
| if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, |
| &crev)) |
| return adjusted_clock; |
| |
| memset(&args, 0, sizeof(args)); |
| |
| switch (frev) { |
| case 1: |
| switch (crev) { |
| case 1: |
| case 2: |
| args.v1.usPixelClock = cpu_to_le16(clock / 10); |
| args.v1.ucTransmitterID = radeon_encoder->encoder_id; |
| args.v1.ucEncodeMode = encoder_mode; |
| if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage) |
| args.v1.ucConfig |= |
| ADJUST_DISPLAY_CONFIG_SS_ENABLE; |
| |
| atom_execute_table(rdev->mode_info.atom_context, |
| index, (uint32_t *)&args); |
| adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10; |
| break; |
| case 3: |
| args.v3.sInput.usPixelClock = cpu_to_le16(clock / 10); |
| args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id; |
| args.v3.sInput.ucEncodeMode = encoder_mode; |
| args.v3.sInput.ucDispPllConfig = 0; |
| if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage) |
| args.v3.sInput.ucDispPllConfig |= |
| DISPPLL_CONFIG_SS_ENABLE; |
| if (ENCODER_MODE_IS_DP(encoder_mode)) { |
| args.v3.sInput.ucDispPllConfig |= |
| DISPPLL_CONFIG_COHERENT_MODE; |
| /* 16200 or 27000 */ |
| args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10); |
| } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { |
| struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; |
| if (dig->coherent_mode) |
| args.v3.sInput.ucDispPllConfig |= |
| DISPPLL_CONFIG_COHERENT_MODE; |
| if (is_duallink) |
| args.v3.sInput.ucDispPllConfig |= |
| DISPPLL_CONFIG_DUAL_LINK; |
| } |
| if (radeon_encoder_get_dp_bridge_encoder_id(encoder) != |
| ENCODER_OBJECT_ID_NONE) |
| args.v3.sInput.ucExtTransmitterID = |
| radeon_encoder_get_dp_bridge_encoder_id(encoder); |
| else |
| args.v3.sInput.ucExtTransmitterID = 0; |
| |
| atom_execute_table(rdev->mode_info.atom_context, |
| index, (uint32_t *)&args); |
| adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10; |
| if (args.v3.sOutput.ucRefDiv) { |
| radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; |
| radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; |
| radeon_crtc->pll_reference_div = args.v3.sOutput.ucRefDiv; |
| } |
| if (args.v3.sOutput.ucPostDiv) { |
| radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; |
| radeon_crtc->pll_flags |= RADEON_PLL_USE_POST_DIV; |
| radeon_crtc->pll_post_div = args.v3.sOutput.ucPostDiv; |
| } |
| break; |
| default: |
| DRM_ERROR("Unknown table version %d %d\n", frev, crev); |
| return adjusted_clock; |
| } |
| break; |
| default: |
| DRM_ERROR("Unknown table version %d %d\n", frev, crev); |
| return adjusted_clock; |
| } |
| } |
| return adjusted_clock; |
| } |
| |
| union set_pixel_clock { |
| SET_PIXEL_CLOCK_PS_ALLOCATION base; |
| PIXEL_CLOCK_PARAMETERS v1; |
| PIXEL_CLOCK_PARAMETERS_V2 v2; |
| PIXEL_CLOCK_PARAMETERS_V3 v3; |
| PIXEL_CLOCK_PARAMETERS_V5 v5; |
| PIXEL_CLOCK_PARAMETERS_V6 v6; |
| }; |
| |
| /* on DCE5, make sure the voltage is high enough to support the |
| * required disp clk. |
| */ |
| static void atombios_crtc_set_disp_eng_pll(struct radeon_device *rdev, |
| u32 dispclk) |
| { |
| u8 frev, crev; |
| int index; |
| union set_pixel_clock args; |
| |
| memset(&args, 0, sizeof(args)); |
| |
| index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); |
| if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, |
| &crev)) |
| return; |
| |
| switch (frev) { |
| case 1: |
| switch (crev) { |
| case 5: |
| /* if the default dcpll clock is specified, |
| * SetPixelClock provides the dividers |
| */ |
| args.v5.ucCRTC = ATOM_CRTC_INVALID; |
| args.v5.usPixelClock = cpu_to_le16(dispclk); |
| args.v5.ucPpll = ATOM_DCPLL; |
| break; |
| case 6: |
| /* if the default dcpll clock is specified, |
| * SetPixelClock provides the dividers |
| */ |
| args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk); |
| if (ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev)) |
| args.v6.ucPpll = ATOM_EXT_PLL1; |
| else if (ASIC_IS_DCE6(rdev)) |
| args.v6.ucPpll = ATOM_PPLL0; |
| else |
| args.v6.ucPpll = ATOM_DCPLL; |
| break; |
| default: |
| DRM_ERROR("Unknown table version %d %d\n", frev, crev); |
| return; |
| } |
| break; |
| default: |
| DRM_ERROR("Unknown table version %d %d\n", frev, crev); |
| return; |
| } |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| } |
| |
| static void atombios_crtc_program_pll(struct drm_crtc *crtc, |
| u32 crtc_id, |
| int pll_id, |
| u32 encoder_mode, |
| u32 encoder_id, |
| u32 clock, |
| u32 ref_div, |
| u32 fb_div, |
| u32 frac_fb_div, |
| u32 post_div, |
| int bpc, |
| bool ss_enabled, |
| struct radeon_atom_ss *ss) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| u8 frev, crev; |
| int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); |
| union set_pixel_clock args; |
| |
| memset(&args, 0, sizeof(args)); |
| |
| if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, |
| &crev)) |
| return; |
| |
| switch (frev) { |
| case 1: |
| switch (crev) { |
| case 1: |
| if (clock == ATOM_DISABLE) |
| return; |
| args.v1.usPixelClock = cpu_to_le16(clock / 10); |
| args.v1.usRefDiv = cpu_to_le16(ref_div); |
| args.v1.usFbDiv = cpu_to_le16(fb_div); |
| args.v1.ucFracFbDiv = frac_fb_div; |
| args.v1.ucPostDiv = post_div; |
| args.v1.ucPpll = pll_id; |
| args.v1.ucCRTC = crtc_id; |
| args.v1.ucRefDivSrc = 1; |
| break; |
| case 2: |
| args.v2.usPixelClock = cpu_to_le16(clock / 10); |
| args.v2.usRefDiv = cpu_to_le16(ref_div); |
| args.v2.usFbDiv = cpu_to_le16(fb_div); |
| args.v2.ucFracFbDiv = frac_fb_div; |
| args.v2.ucPostDiv = post_div; |
| args.v2.ucPpll = pll_id; |
| args.v2.ucCRTC = crtc_id; |
| args.v2.ucRefDivSrc = 1; |
| break; |
| case 3: |
| args.v3.usPixelClock = cpu_to_le16(clock / 10); |
| args.v3.usRefDiv = cpu_to_le16(ref_div); |
| args.v3.usFbDiv = cpu_to_le16(fb_div); |
| args.v3.ucFracFbDiv = frac_fb_div; |
| args.v3.ucPostDiv = post_div; |
| args.v3.ucPpll = pll_id; |
| if (crtc_id == ATOM_CRTC2) |
| args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC2; |
| else |
| args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC1; |
| if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) |
| args.v3.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC; |
| args.v3.ucTransmitterId = encoder_id; |
| args.v3.ucEncoderMode = encoder_mode; |
| break; |
| case 5: |
| args.v5.ucCRTC = crtc_id; |
| args.v5.usPixelClock = cpu_to_le16(clock / 10); |
| args.v5.ucRefDiv = ref_div; |
| args.v5.usFbDiv = cpu_to_le16(fb_div); |
| args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); |
| args.v5.ucPostDiv = post_div; |
| args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */ |
| if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) |
| args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC; |
| if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { |
| switch (bpc) { |
| case 8: |
| default: |
| args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP; |
| break; |
| case 10: |
| /* yes this is correct, the atom define is wrong */ |
| args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_32BPP; |
| break; |
| case 12: |
| /* yes this is correct, the atom define is wrong */ |
| args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP; |
| break; |
| } |
| } |
| args.v5.ucTransmitterID = encoder_id; |
| args.v5.ucEncoderMode = encoder_mode; |
| args.v5.ucPpll = pll_id; |
| break; |
| case 6: |
| args.v6.ulDispEngClkFreq = cpu_to_le32(crtc_id << 24 | clock / 10); |
| args.v6.ucRefDiv = ref_div; |
| args.v6.usFbDiv = cpu_to_le16(fb_div); |
| args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); |
| args.v6.ucPostDiv = post_div; |
| args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */ |
| if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) |
| args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC; |
| if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { |
| switch (bpc) { |
| case 8: |
| default: |
| args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP; |
| break; |
| case 10: |
| args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP_V6; |
| break; |
| case 12: |
| args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP_V6; |
| break; |
| case 16: |
| args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP; |
| break; |
| } |
| } |
| args.v6.ucTransmitterID = encoder_id; |
| args.v6.ucEncoderMode = encoder_mode; |
| args.v6.ucPpll = pll_id; |
| break; |
| default: |
| DRM_ERROR("Unknown table version %d %d\n", frev, crev); |
| return; |
| } |
| break; |
| default: |
| DRM_ERROR("Unknown table version %d %d\n", frev, crev); |
| return; |
| } |
| |
| atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); |
| } |
| |
| static bool atombios_crtc_prepare_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_encoder *radeon_encoder = |
| to_radeon_encoder(radeon_crtc->encoder); |
| int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder); |
| |
| radeon_crtc->bpc = 8; |
| radeon_crtc->ss_enabled = false; |
| |
| if (radeon_encoder->is_mst_encoder) { |
| radeon_dp_mst_prepare_pll(crtc, mode); |
| } else if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || |
| (radeon_encoder_get_dp_bridge_encoder_id(radeon_crtc->encoder) != ENCODER_OBJECT_ID_NONE)) { |
| struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; |
| struct drm_connector *connector = |
| radeon_get_connector_for_encoder(radeon_crtc->encoder); |
| struct radeon_connector *radeon_connector = |
| to_radeon_connector(connector); |
| struct radeon_connector_atom_dig *dig_connector = |
| radeon_connector->con_priv; |
| int dp_clock; |
| |
| /* Assign mode clock for hdmi deep color max clock limit check */ |
| radeon_connector->pixelclock_for_modeset = mode->clock; |
| radeon_crtc->bpc = radeon_get_monitor_bpc(connector); |
| |
| switch (encoder_mode) { |
| case ATOM_ENCODER_MODE_DP_MST: |
| case ATOM_ENCODER_MODE_DP: |
| /* DP/eDP */ |
| dp_clock = dig_connector->dp_clock / 10; |
| if (ASIC_IS_DCE4(rdev)) |
| radeon_crtc->ss_enabled = |
| radeon_atombios_get_asic_ss_info(rdev, &radeon_crtc->ss, |
| ASIC_INTERNAL_SS_ON_DP, |
| dp_clock); |
| else { |
| if (dp_clock == 16200) { |
| radeon_crtc->ss_enabled = |
| radeon_atombios_get_ppll_ss_info(rdev, |
| &radeon_crtc->ss, |
| ATOM_DP_SS_ID2); |
| if (!radeon_crtc->ss_enabled) |
| radeon_crtc->ss_enabled = |
| radeon_atombios_get_ppll_ss_info(rdev, |
| &radeon_crtc->ss, |
| ATOM_DP_SS_ID1); |
| } else { |
| radeon_crtc->ss_enabled = |
| radeon_atombios_get_ppll_ss_info(rdev, |
| &radeon_crtc->ss, |
| ATOM_DP_SS_ID1); |
| } |
| /* disable spread spectrum on DCE3 DP */ |
| radeon_crtc->ss_enabled = false; |
| } |
| break; |
| case ATOM_ENCODER_MODE_LVDS: |
| if (ASIC_IS_DCE4(rdev)) |
| radeon_crtc->ss_enabled = |
| radeon_atombios_get_asic_ss_info(rdev, |
| &radeon_crtc->ss, |
| dig->lcd_ss_id, |
| mode->clock / 10); |
| else |
| radeon_crtc->ss_enabled = |
| radeon_atombios_get_ppll_ss_info(rdev, |
| &radeon_crtc->ss, |
| dig->lcd_ss_id); |
| break; |
| case ATOM_ENCODER_MODE_DVI: |
| if (ASIC_IS_DCE4(rdev)) |
| radeon_crtc->ss_enabled = |
| radeon_atombios_get_asic_ss_info(rdev, |
| &radeon_crtc->ss, |
| ASIC_INTERNAL_SS_ON_TMDS, |
| mode->clock / 10); |
| break; |
| case ATOM_ENCODER_MODE_HDMI: |
| if (ASIC_IS_DCE4(rdev)) |
| radeon_crtc->ss_enabled = |
| radeon_atombios_get_asic_ss_info(rdev, |
| &radeon_crtc->ss, |
| ASIC_INTERNAL_SS_ON_HDMI, |
| mode->clock / 10); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /* adjust pixel clock as needed */ |
| radeon_crtc->adjusted_clock = atombios_adjust_pll(crtc, mode); |
| |
| return true; |
| } |
| |
| static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_encoder *radeon_encoder = |
| to_radeon_encoder(radeon_crtc->encoder); |
| u32 pll_clock = mode->clock; |
| u32 clock = mode->clock; |
| u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0; |
| struct radeon_pll *pll; |
| int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder); |
| |
| /* pass the actual clock to atombios_crtc_program_pll for DCE5,6 for HDMI */ |
| if (ASIC_IS_DCE5(rdev) && |
| (encoder_mode == ATOM_ENCODER_MODE_HDMI) && |
| (radeon_crtc->bpc > 8)) |
| clock = radeon_crtc->adjusted_clock; |
| |
| switch (radeon_crtc->pll_id) { |
| case ATOM_PPLL1: |
| pll = &rdev->clock.p1pll; |
| break; |
| case ATOM_PPLL2: |
| pll = &rdev->clock.p2pll; |
| break; |
| case ATOM_DCPLL: |
| case ATOM_PPLL_INVALID: |
| default: |
| pll = &rdev->clock.dcpll; |
| break; |
| } |
| |
| /* update pll params */ |
| pll->flags = radeon_crtc->pll_flags; |
| pll->reference_div = radeon_crtc->pll_reference_div; |
| pll->post_div = radeon_crtc->pll_post_div; |
| |
| if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) |
| /* TV seems to prefer the legacy algo on some boards */ |
| radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock, |
| &fb_div, &frac_fb_div, &ref_div, &post_div); |
| else if (ASIC_IS_AVIVO(rdev)) |
| radeon_compute_pll_avivo(pll, radeon_crtc->adjusted_clock, &pll_clock, |
| &fb_div, &frac_fb_div, &ref_div, &post_div); |
| else |
| radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock, |
| &fb_div, &frac_fb_div, &ref_div, &post_div); |
| |
| atombios_crtc_program_ss(rdev, ATOM_DISABLE, radeon_crtc->pll_id, |
| radeon_crtc->crtc_id, &radeon_crtc->ss); |
| |
| atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, |
| encoder_mode, radeon_encoder->encoder_id, clock, |
| ref_div, fb_div, frac_fb_div, post_div, |
| radeon_crtc->bpc, radeon_crtc->ss_enabled, &radeon_crtc->ss); |
| |
| if (radeon_crtc->ss_enabled) { |
| /* calculate ss amount and step size */ |
| if (ASIC_IS_DCE4(rdev)) { |
| u32 step_size; |
| u32 amount = (((fb_div * 10) + frac_fb_div) * |
| (u32)radeon_crtc->ss.percentage) / |
| (100 * (u32)radeon_crtc->ss.percentage_divider); |
| radeon_crtc->ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK; |
| radeon_crtc->ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) & |
| ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK; |
| if (radeon_crtc->ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD) |
| step_size = (4 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) / |
| (125 * 25 * pll->reference_freq / 100); |
| else |
| step_size = (2 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) / |
| (125 * 25 * pll->reference_freq / 100); |
| radeon_crtc->ss.step = step_size; |
| } |
| |
| atombios_crtc_program_ss(rdev, ATOM_ENABLE, radeon_crtc->pll_id, |
| radeon_crtc->crtc_id, &radeon_crtc->ss); |
| } |
| } |
| |
| static int dce4_crtc_do_set_base(struct drm_crtc *crtc, |
| struct drm_framebuffer *fb, |
| int x, int y, int atomic) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct drm_framebuffer *target_fb; |
| struct drm_gem_object *obj; |
| struct radeon_bo *rbo; |
| uint64_t fb_location; |
| uint32_t fb_format, fb_pitch_pixels, tiling_flags; |
| unsigned bankw, bankh, mtaspect, tile_split; |
| u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE); |
| u32 tmp, viewport_w, viewport_h; |
| int r; |
| bool bypass_lut = false; |
| |
| /* no fb bound */ |
| if (!atomic && !crtc->primary->fb) { |
| DRM_DEBUG_KMS("No FB bound\n"); |
| return 0; |
| } |
| |
| if (atomic) |
| target_fb = fb; |
| else |
| target_fb = crtc->primary->fb; |
| |
| /* If atomic, assume fb object is pinned & idle & fenced and |
| * just update base pointers |
| */ |
| obj = target_fb->obj[0]; |
| rbo = gem_to_radeon_bo(obj); |
| r = radeon_bo_reserve(rbo, false); |
| if (unlikely(r != 0)) |
| return r; |
| |
| if (atomic) |
| fb_location = radeon_bo_gpu_offset(rbo); |
| else { |
| r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); |
| if (unlikely(r != 0)) { |
| radeon_bo_unreserve(rbo); |
| return -EINVAL; |
| } |
| } |
| |
| radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); |
| radeon_bo_unreserve(rbo); |
| |
| switch (target_fb->format->format) { |
| case DRM_FORMAT_C8: |
| fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) | |
| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED)); |
| break; |
| case DRM_FORMAT_XRGB4444: |
| case DRM_FORMAT_ARGB4444: |
| fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | |
| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB4444)); |
| #ifdef __BIG_ENDIAN |
| fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); |
| #endif |
| break; |
| case DRM_FORMAT_XRGB1555: |
| case DRM_FORMAT_ARGB1555: |
| fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | |
| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555)); |
| #ifdef __BIG_ENDIAN |
| fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); |
| #endif |
| break; |
| case DRM_FORMAT_BGRX5551: |
| case DRM_FORMAT_BGRA5551: |
| fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | |
| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_BGRA5551)); |
| #ifdef __BIG_ENDIAN |
| fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); |
| #endif |
| break; |
| case DRM_FORMAT_RGB565: |
| fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | |
| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565)); |
| #ifdef __BIG_ENDIAN |
| fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); |
| #endif |
| break; |
| case DRM_FORMAT_XRGB8888: |
| case DRM_FORMAT_ARGB8888: |
| fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | |
| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888)); |
| #ifdef __BIG_ENDIAN |
| fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); |
| #endif |
| break; |
| case DRM_FORMAT_XRGB2101010: |
| case DRM_FORMAT_ARGB2101010: |
| fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | |
| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB2101010)); |
| #ifdef __BIG_ENDIAN |
| fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); |
| #endif |
| /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ |
| bypass_lut = true; |
| break; |
| case DRM_FORMAT_BGRX1010102: |
| case DRM_FORMAT_BGRA1010102: |
| fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | |
| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_BGRA1010102)); |
| #ifdef __BIG_ENDIAN |
| fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); |
| #endif |
| /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ |
| bypass_lut = true; |
| break; |
| case DRM_FORMAT_XBGR8888: |
| case DRM_FORMAT_ABGR8888: |
| fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | |
| EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888)); |
| fb_swap = (EVERGREEN_GRPH_RED_CROSSBAR(EVERGREEN_GRPH_RED_SEL_B) | |
| EVERGREEN_GRPH_BLUE_CROSSBAR(EVERGREEN_GRPH_BLUE_SEL_R)); |
| #ifdef __BIG_ENDIAN |
| fb_swap |= EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); |
| #endif |
| break; |
| default: |
| DRM_ERROR("Unsupported screen format %p4cc\n", |
| &target_fb->format->format); |
| return -EINVAL; |
| } |
| |
| if (tiling_flags & RADEON_TILING_MACRO) { |
| evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split); |
| |
| /* Set NUM_BANKS. */ |
| if (rdev->family >= CHIP_TAHITI) { |
| unsigned index, num_banks; |
| |
| if (rdev->family >= CHIP_BONAIRE) { |
| unsigned tileb, tile_split_bytes; |
| |
| /* Calculate the macrotile mode index. */ |
| tile_split_bytes = 64 << tile_split; |
| tileb = 8 * 8 * target_fb->format->cpp[0]; |
| tileb = min(tile_split_bytes, tileb); |
| |
| for (index = 0; tileb > 64; index++) |
| tileb >>= 1; |
| |
| if (index >= 16) { |
| DRM_ERROR("Wrong screen bpp (%u) or tile split (%u)\n", |
| target_fb->format->cpp[0] * 8, |
| tile_split); |
| return -EINVAL; |
| } |
| |
| num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3; |
| } else { |
| switch (target_fb->format->cpp[0] * 8) { |
| case 8: |
| index = 10; |
| break; |
| case 16: |
| index = SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP; |
| break; |
| default: |
| case 32: |
| index = SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP; |
| break; |
| } |
| |
| num_banks = (rdev->config.si.tile_mode_array[index] >> 20) & 0x3; |
| } |
| |
| fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks); |
| } else { |
| /* NI and older. */ |
| if (rdev->family >= CHIP_CAYMAN) |
| tmp = rdev->config.cayman.tile_config; |
| else |
| tmp = rdev->config.evergreen.tile_config; |
| |
| switch ((tmp & 0xf0) >> 4) { |
| case 0: /* 4 banks */ |
| fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK); |
| break; |
| case 1: /* 8 banks */ |
| default: |
| fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK); |
| break; |
| case 2: /* 16 banks */ |
| fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK); |
| break; |
| } |
| } |
| |
| fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1); |
| fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split); |
| fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw); |
| fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh); |
| fb_format |= EVERGREEN_GRPH_MACRO_TILE_ASPECT(mtaspect); |
| if (rdev->family >= CHIP_BONAIRE) { |
| /* XXX need to know more about the surface tiling mode */ |
| fb_format |= CIK_GRPH_MICRO_TILE_MODE(CIK_DISPLAY_MICRO_TILING); |
| } |
| } else if (tiling_flags & RADEON_TILING_MICRO) |
| fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1); |
| |
| if (rdev->family >= CHIP_BONAIRE) { |
| /* Read the pipe config from the 2D TILED SCANOUT mode. |
| * It should be the same for the other modes too, but not all |
| * modes set the pipe config field. */ |
| u32 pipe_config = (rdev->config.cik.tile_mode_array[10] >> 6) & 0x1f; |
| |
| fb_format |= CIK_GRPH_PIPE_CONFIG(pipe_config); |
| } else if ((rdev->family == CHIP_TAHITI) || |
| (rdev->family == CHIP_PITCAIRN)) |
| fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16); |
| else if ((rdev->family == CHIP_VERDE) || |
| (rdev->family == CHIP_OLAND) || |
| (rdev->family == CHIP_HAINAN)) /* for completeness. HAINAN has no display hw */ |
| fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16); |
| |
| switch (radeon_crtc->crtc_id) { |
| case 0: |
| WREG32(AVIVO_D1VGA_CONTROL, 0); |
| break; |
| case 1: |
| WREG32(AVIVO_D2VGA_CONTROL, 0); |
| break; |
| case 2: |
| WREG32(EVERGREEN_D3VGA_CONTROL, 0); |
| break; |
| case 3: |
| WREG32(EVERGREEN_D4VGA_CONTROL, 0); |
| break; |
| case 4: |
| WREG32(EVERGREEN_D5VGA_CONTROL, 0); |
| break; |
| case 5: |
| WREG32(EVERGREEN_D6VGA_CONTROL, 0); |
| break; |
| default: |
| break; |
| } |
| |
| /* Make sure surface address is updated at vertical blank rather than |
| * horizontal blank |
| */ |
| WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, 0); |
| |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, |
| upper_32_bits(fb_location)); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, |
| upper_32_bits(fb_location)); |
| WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, |
| (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); |
| WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, |
| (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); |
| WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); |
| WREG32(EVERGREEN_GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); |
| |
| /* |
| * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT |
| * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to |
| * retain the full precision throughout the pipeline. |
| */ |
| WREG32_P(EVERGREEN_GRPH_LUT_10BIT_BYPASS_CONTROL + radeon_crtc->crtc_offset, |
| (bypass_lut ? EVERGREEN_LUT_10BIT_BYPASS_EN : 0), |
| ~EVERGREEN_LUT_10BIT_BYPASS_EN); |
| |
| if (bypass_lut) |
| DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); |
| |
| WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); |
| WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); |
| WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0); |
| WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0); |
| WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); |
| WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); |
| |
| fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; |
| WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); |
| WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1); |
| |
| if (rdev->family >= CHIP_BONAIRE) |
| WREG32(CIK_LB_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, |
| target_fb->height); |
| else |
| WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, |
| target_fb->height); |
| x &= ~3; |
| y &= ~1; |
| WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset, |
| (x << 16) | y); |
| viewport_w = crtc->mode.hdisplay; |
| viewport_h = (crtc->mode.vdisplay + 1) & ~1; |
| if ((rdev->family >= CHIP_BONAIRE) && |
| (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)) |
| viewport_h *= 2; |
| WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset, |
| (viewport_w << 16) | viewport_h); |
| |
| /* set pageflip to happen anywhere in vblank interval */ |
| WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); |
| |
| if (!atomic && fb && fb != crtc->primary->fb) { |
| rbo = gem_to_radeon_bo(fb->obj[0]); |
| r = radeon_bo_reserve(rbo, false); |
| if (unlikely(r != 0)) |
| return r; |
| radeon_bo_unpin(rbo); |
| radeon_bo_unreserve(rbo); |
| } |
| |
| /* Bytes per pixel may have changed */ |
| radeon_bandwidth_update(rdev); |
| |
| return 0; |
| } |
| |
| static int avivo_crtc_do_set_base(struct drm_crtc *crtc, |
| struct drm_framebuffer *fb, |
| int x, int y, int atomic) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct drm_gem_object *obj; |
| struct radeon_bo *rbo; |
| struct drm_framebuffer *target_fb; |
| uint64_t fb_location; |
| uint32_t fb_format, fb_pitch_pixels, tiling_flags; |
| u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE; |
| u32 viewport_w, viewport_h; |
| int r; |
| bool bypass_lut = false; |
| |
| /* no fb bound */ |
| if (!atomic && !crtc->primary->fb) { |
| DRM_DEBUG_KMS("No FB bound\n"); |
| return 0; |
| } |
| |
| if (atomic) |
| target_fb = fb; |
| else |
| target_fb = crtc->primary->fb; |
| |
| obj = target_fb->obj[0]; |
| rbo = gem_to_radeon_bo(obj); |
| r = radeon_bo_reserve(rbo, false); |
| if (unlikely(r != 0)) |
| return r; |
| |
| /* If atomic, assume fb object is pinned & idle & fenced and |
| * just update base pointers |
| */ |
| if (atomic) |
| fb_location = radeon_bo_gpu_offset(rbo); |
| else { |
| r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); |
| if (unlikely(r != 0)) { |
| radeon_bo_unreserve(rbo); |
| return -EINVAL; |
| } |
| } |
| radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); |
| radeon_bo_unreserve(rbo); |
| |
| switch (target_fb->format->format) { |
| case DRM_FORMAT_C8: |
| fb_format = |
| AVIVO_D1GRPH_CONTROL_DEPTH_8BPP | |
| AVIVO_D1GRPH_CONTROL_8BPP_INDEXED; |
| break; |
| case DRM_FORMAT_XRGB4444: |
| case DRM_FORMAT_ARGB4444: |
| fb_format = |
| AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | |
| AVIVO_D1GRPH_CONTROL_16BPP_ARGB4444; |
| #ifdef __BIG_ENDIAN |
| fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; |
| #endif |
| break; |
| case DRM_FORMAT_XRGB1555: |
| fb_format = |
| AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | |
| AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555; |
| #ifdef __BIG_ENDIAN |
| fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; |
| #endif |
| break; |
| case DRM_FORMAT_RGB565: |
| fb_format = |
| AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | |
| AVIVO_D1GRPH_CONTROL_16BPP_RGB565; |
| #ifdef __BIG_ENDIAN |
| fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; |
| #endif |
| break; |
| case DRM_FORMAT_XRGB8888: |
| case DRM_FORMAT_ARGB8888: |
| fb_format = |
| AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | |
| AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888; |
| #ifdef __BIG_ENDIAN |
| fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; |
| #endif |
| break; |
| case DRM_FORMAT_XRGB2101010: |
| case DRM_FORMAT_ARGB2101010: |
| fb_format = |
| AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | |
| AVIVO_D1GRPH_CONTROL_32BPP_ARGB2101010; |
| #ifdef __BIG_ENDIAN |
| fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; |
| #endif |
| /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ |
| bypass_lut = true; |
| break; |
| case DRM_FORMAT_XBGR8888: |
| case DRM_FORMAT_ABGR8888: |
| fb_format = |
| AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | |
| AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888; |
| if (rdev->family >= CHIP_R600) |
| fb_swap = |
| (R600_D1GRPH_RED_CROSSBAR(R600_D1GRPH_RED_SEL_B) | |
| R600_D1GRPH_BLUE_CROSSBAR(R600_D1GRPH_BLUE_SEL_R)); |
| else /* DCE1 (R5xx) */ |
| fb_format |= AVIVO_D1GRPH_SWAP_RB; |
| #ifdef __BIG_ENDIAN |
| fb_swap |= R600_D1GRPH_SWAP_ENDIAN_32BIT; |
| #endif |
| break; |
| default: |
| DRM_ERROR("Unsupported screen format %p4cc\n", |
| &target_fb->format->format); |
| return -EINVAL; |
| } |
| |
| if (rdev->family >= CHIP_R600) { |
| if (tiling_flags & RADEON_TILING_MACRO) |
| fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1; |
| else if (tiling_flags & RADEON_TILING_MICRO) |
| fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1; |
| } else { |
| if (tiling_flags & RADEON_TILING_MACRO) |
| fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE; |
| |
| if (tiling_flags & RADEON_TILING_MICRO) |
| fb_format |= AVIVO_D1GRPH_TILED; |
| } |
| |
| if (radeon_crtc->crtc_id == 0) |
| WREG32(AVIVO_D1VGA_CONTROL, 0); |
| else |
| WREG32(AVIVO_D2VGA_CONTROL, 0); |
| |
| /* Make sure surface address is update at vertical blank rather than |
| * horizontal blank |
| */ |
| WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, 0); |
| |
| if (rdev->family >= CHIP_RV770) { |
| if (radeon_crtc->crtc_id) { |
| WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); |
| WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); |
| } else { |
| WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); |
| WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); |
| } |
| } |
| WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, |
| (u32) fb_location); |
| WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + |
| radeon_crtc->crtc_offset, (u32) fb_location); |
| WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); |
| if (rdev->family >= CHIP_R600) |
| WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); |
| |
| /* LUT only has 256 slots for 8 bpc fb. Bypass for > 8 bpc scanout for precision */ |
| WREG32_P(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, |
| (bypass_lut ? AVIVO_LUT_10BIT_BYPASS_EN : 0), ~AVIVO_LUT_10BIT_BYPASS_EN); |
| |
| if (bypass_lut) |
| DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); |
| |
| WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); |
| WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); |
| WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0); |
| WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0); |
| WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); |
| WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); |
| |
| fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; |
| WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); |
| WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1); |
| |
| WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, |
| target_fb->height); |
| x &= ~3; |
| y &= ~1; |
| WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, |
| (x << 16) | y); |
| viewport_w = crtc->mode.hdisplay; |
| viewport_h = (crtc->mode.vdisplay + 1) & ~1; |
| WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset, |
| (viewport_w << 16) | viewport_h); |
| |
| /* set pageflip to happen only at start of vblank interval (front porch) */ |
| WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3); |
| |
| if (!atomic && fb && fb != crtc->primary->fb) { |
| rbo = gem_to_radeon_bo(fb->obj[0]); |
| r = radeon_bo_reserve(rbo, false); |
| if (unlikely(r != 0)) |
| return r; |
| radeon_bo_unpin(rbo); |
| radeon_bo_unreserve(rbo); |
| } |
| |
| /* Bytes per pixel may have changed */ |
| radeon_bandwidth_update(rdev); |
| |
| return 0; |
| } |
| |
| int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y, |
| struct drm_framebuffer *old_fb) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| |
| if (ASIC_IS_DCE4(rdev)) |
| return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0); |
| else if (ASIC_IS_AVIVO(rdev)) |
| return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0); |
| else |
| return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0); |
| } |
| |
| int atombios_crtc_set_base_atomic(struct drm_crtc *crtc, |
| struct drm_framebuffer *fb, |
| int x, int y, enum mode_set_atomic state) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| |
| if (ASIC_IS_DCE4(rdev)) |
| return dce4_crtc_do_set_base(crtc, fb, x, y, 1); |
| else if (ASIC_IS_AVIVO(rdev)) |
| return avivo_crtc_do_set_base(crtc, fb, x, y, 1); |
| else |
| return radeon_crtc_do_set_base(crtc, fb, x, y, 1); |
| } |
| |
| /* properly set additional regs when using atombios */ |
| static void radeon_legacy_atom_fixup(struct drm_crtc *crtc) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| u32 disp_merge_cntl; |
| |
| switch (radeon_crtc->crtc_id) { |
| case 0: |
| disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL); |
| disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN; |
| WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl); |
| break; |
| case 1: |
| disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL); |
| disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN; |
| WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl); |
| WREG32(RADEON_FP_H2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_H_SYNC_STRT_WID)); |
| WREG32(RADEON_FP_V2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_V_SYNC_STRT_WID)); |
| break; |
| } |
| } |
| |
| /** |
| * radeon_get_pll_use_mask - look up a mask of which pplls are in use |
| * |
| * @crtc: drm crtc |
| * |
| * Returns the mask of which PPLLs (Pixel PLLs) are in use. |
| */ |
| static u32 radeon_get_pll_use_mask(struct drm_crtc *crtc) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct drm_crtc *test_crtc; |
| struct radeon_crtc *test_radeon_crtc; |
| u32 pll_in_use = 0; |
| |
| list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { |
| if (crtc == test_crtc) |
| continue; |
| |
| test_radeon_crtc = to_radeon_crtc(test_crtc); |
| if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) |
| pll_in_use |= (1 << test_radeon_crtc->pll_id); |
| } |
| return pll_in_use; |
| } |
| |
| /** |
| * radeon_get_shared_dp_ppll - return the PPLL used by another crtc for DP |
| * |
| * @crtc: drm crtc |
| * |
| * Returns the PPLL (Pixel PLL) used by another crtc/encoder which is |
| * also in DP mode. For DP, a single PPLL can be used for all DP |
| * crtcs/encoders. |
| */ |
| static int radeon_get_shared_dp_ppll(struct drm_crtc *crtc) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct drm_crtc *test_crtc; |
| struct radeon_crtc *test_radeon_crtc; |
| |
| list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { |
| if (crtc == test_crtc) |
| continue; |
| test_radeon_crtc = to_radeon_crtc(test_crtc); |
| if (test_radeon_crtc->encoder && |
| ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) { |
| /* PPLL2 is exclusive to UNIPHYA on DCE61 */ |
| if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) && |
| test_radeon_crtc->pll_id == ATOM_PPLL2) |
| continue; |
| /* for DP use the same PLL for all */ |
| if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) |
| return test_radeon_crtc->pll_id; |
| } |
| } |
| return ATOM_PPLL_INVALID; |
| } |
| |
| /** |
| * radeon_get_shared_nondp_ppll - return the PPLL used by another non-DP crtc |
| * |
| * @crtc: drm crtc |
| * |
| * Returns the PPLL (Pixel PLL) used by another non-DP crtc/encoder which can |
| * be shared (i.e., same clock). |
| */ |
| static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct drm_crtc *test_crtc; |
| struct radeon_crtc *test_radeon_crtc; |
| u32 adjusted_clock, test_adjusted_clock; |
| |
| adjusted_clock = radeon_crtc->adjusted_clock; |
| |
| if (adjusted_clock == 0) |
| return ATOM_PPLL_INVALID; |
| |
| list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { |
| if (crtc == test_crtc) |
| continue; |
| test_radeon_crtc = to_radeon_crtc(test_crtc); |
| if (test_radeon_crtc->encoder && |
| !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) { |
| /* PPLL2 is exclusive to UNIPHYA on DCE61 */ |
| if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) && |
| test_radeon_crtc->pll_id == ATOM_PPLL2) |
| continue; |
| /* check if we are already driving this connector with another crtc */ |
| if (test_radeon_crtc->connector == radeon_crtc->connector) { |
| /* if we are, return that pll */ |
| if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) |
| return test_radeon_crtc->pll_id; |
| } |
| /* for non-DP check the clock */ |
| test_adjusted_clock = test_radeon_crtc->adjusted_clock; |
| if ((crtc->mode.clock == test_crtc->mode.clock) && |
| (adjusted_clock == test_adjusted_clock) && |
| (radeon_crtc->ss_enabled == test_radeon_crtc->ss_enabled) && |
| (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)) |
| return test_radeon_crtc->pll_id; |
| } |
| } |
| return ATOM_PPLL_INVALID; |
| } |
| |
| /** |
| * radeon_atom_pick_pll - Allocate a PPLL for use by the crtc. |
| * |
| * @crtc: drm crtc |
| * |
| * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors |
| * a single PPLL can be used for all DP crtcs/encoders. For non-DP |
| * monitors a dedicated PPLL must be used. If a particular board has |
| * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming |
| * as there is no need to program the PLL itself. If we are not able to |
| * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to |
| * avoid messing up an existing monitor. |
| * |
| * Asic specific PLL information |
| * |
| * DCE 8.x |
| * KB/KV |
| * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) |
| * CI |
| * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC |
| * |
| * DCE 6.1 |
| * - PPLL2 is only available to UNIPHYA (both DP and non-DP) |
| * - PPLL0, PPLL1 are available for UNIPHYB/C/D/E/F (both DP and non-DP) |
| * |
| * DCE 6.0 |
| * - PPLL0 is available to all UNIPHY (DP only) |
| * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC |
| * |
| * DCE 5.0 |
| * - DCPLL is available to all UNIPHY (DP only) |
| * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC |
| * |
| * DCE 3.0/4.0/4.1 |
| * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC |
| * |
| */ |
| static int radeon_atom_pick_pll(struct drm_crtc *crtc) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_encoder *radeon_encoder = |
| to_radeon_encoder(radeon_crtc->encoder); |
| u32 pll_in_use; |
| int pll; |
| |
| if (ASIC_IS_DCE8(rdev)) { |
| if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { |
| if (rdev->clock.dp_extclk) |
| /* skip PPLL programming if using ext clock */ |
| return ATOM_PPLL_INVALID; |
| else { |
| /* use the same PPLL for all DP monitors */ |
| pll = radeon_get_shared_dp_ppll(crtc); |
| if (pll != ATOM_PPLL_INVALID) |
| return pll; |
| } |
| } else { |
| /* use the same PPLL for all monitors with the same clock */ |
| pll = radeon_get_shared_nondp_ppll(crtc); |
| if (pll != ATOM_PPLL_INVALID) |
| return pll; |
| } |
| /* otherwise, pick one of the plls */ |
| if ((rdev->family == CHIP_KABINI) || |
| (rdev->family == CHIP_MULLINS)) { |
| /* KB/ML has PPLL1 and PPLL2 */ |
| pll_in_use = radeon_get_pll_use_mask(crtc); |
| if (!(pll_in_use & (1 << ATOM_PPLL2))) |
| return ATOM_PPLL2; |
| if (!(pll_in_use & (1 << ATOM_PPLL1))) |
| return ATOM_PPLL1; |
| DRM_ERROR("unable to allocate a PPLL\n"); |
| return ATOM_PPLL_INVALID; |
| } else { |
| /* CI/KV has PPLL0, PPLL1, and PPLL2 */ |
| pll_in_use = radeon_get_pll_use_mask(crtc); |
| if (!(pll_in_use & (1 << ATOM_PPLL2))) |
| return ATOM_PPLL2; |
| if (!(pll_in_use & (1 << ATOM_PPLL1))) |
| return ATOM_PPLL1; |
| if (!(pll_in_use & (1 << ATOM_PPLL0))) |
| return ATOM_PPLL0; |
| DRM_ERROR("unable to allocate a PPLL\n"); |
| return ATOM_PPLL_INVALID; |
| } |
| } else if (ASIC_IS_DCE61(rdev)) { |
| struct radeon_encoder_atom_dig *dig = |
| radeon_encoder->enc_priv; |
| |
| if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY) && |
| (dig->linkb == false)) |
| /* UNIPHY A uses PPLL2 */ |
| return ATOM_PPLL2; |
| else if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { |
| /* UNIPHY B/C/D/E/F */ |
| if (rdev->clock.dp_extclk) |
| /* skip PPLL programming if using ext clock */ |
| return ATOM_PPLL_INVALID; |
| else { |
| /* use the same PPLL for all DP monitors */ |
| pll = radeon_get_shared_dp_ppll(crtc); |
| if (pll != ATOM_PPLL_INVALID) |
| return pll; |
| } |
| } else { |
| /* use the same PPLL for all monitors with the same clock */ |
| pll = radeon_get_shared_nondp_ppll(crtc); |
| if (pll != ATOM_PPLL_INVALID) |
| return pll; |
| } |
| /* UNIPHY B/C/D/E/F */ |
| pll_in_use = radeon_get_pll_use_mask(crtc); |
| if (!(pll_in_use & (1 << ATOM_PPLL0))) |
| return ATOM_PPLL0; |
| if (!(pll_in_use & (1 << ATOM_PPLL1))) |
| return ATOM_PPLL1; |
| DRM_ERROR("unable to allocate a PPLL\n"); |
| return ATOM_PPLL_INVALID; |
| } else if (ASIC_IS_DCE41(rdev)) { |
| /* Don't share PLLs on DCE4.1 chips */ |
| if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { |
| if (rdev->clock.dp_extclk) |
| /* skip PPLL programming if using ext clock */ |
| return ATOM_PPLL_INVALID; |
| } |
| pll_in_use = radeon_get_pll_use_mask(crtc); |
| if (!(pll_in_use & (1 << ATOM_PPLL1))) |
| return ATOM_PPLL1; |
| if (!(pll_in_use & (1 << ATOM_PPLL2))) |
| return ATOM_PPLL2; |
| DRM_ERROR("unable to allocate a PPLL\n"); |
| return ATOM_PPLL_INVALID; |
| } else if (ASIC_IS_DCE4(rdev)) { |
| /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock, |
| * depending on the asic: |
| * DCE4: PPLL or ext clock |
| * DCE5: PPLL, DCPLL, or ext clock |
| * DCE6: PPLL, PPLL0, or ext clock |
| * |
| * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip |
| * PPLL/DCPLL programming and only program the DP DTO for the |
| * crtc virtual pixel clock. |
| */ |
| if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { |
| if (rdev->clock.dp_extclk) |
| /* skip PPLL programming if using ext clock */ |
| return ATOM_PPLL_INVALID; |
| else if (ASIC_IS_DCE6(rdev)) |
| /* use PPLL0 for all DP */ |
| return ATOM_PPLL0; |
| else if (ASIC_IS_DCE5(rdev)) |
| /* use DCPLL for all DP */ |
| return ATOM_DCPLL; |
| else { |
| /* use the same PPLL for all DP monitors */ |
| pll = radeon_get_shared_dp_ppll(crtc); |
| if (pll != ATOM_PPLL_INVALID) |
| return pll; |
| } |
| } else { |
| /* use the same PPLL for all monitors with the same clock */ |
| pll = radeon_get_shared_nondp_ppll(crtc); |
| if (pll != ATOM_PPLL_INVALID) |
| return pll; |
| } |
| /* all other cases */ |
| pll_in_use = radeon_get_pll_use_mask(crtc); |
| if (!(pll_in_use & (1 << ATOM_PPLL1))) |
| return ATOM_PPLL1; |
| if (!(pll_in_use & (1 << ATOM_PPLL2))) |
| return ATOM_PPLL2; |
| DRM_ERROR("unable to allocate a PPLL\n"); |
| return ATOM_PPLL_INVALID; |
| } else { |
| /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */ |
| /* some atombios (observed in some DCE2/DCE3) code have a bug, |
| * the matching btw pll and crtc is done through |
| * PCLK_CRTC[1|2]_CNTL (0x480/0x484) but atombios code use the |
| * pll (1 or 2) to select which register to write. ie if using |
| * pll1 it will use PCLK_CRTC1_CNTL (0x480) and if using pll2 |
| * it will use PCLK_CRTC2_CNTL (0x484), it then use crtc id to |
| * choose which value to write. Which is reverse order from |
| * register logic. So only case that works is when pllid is |
| * same as crtcid or when both pll and crtc are enabled and |
| * both use same clock. |
| * |
| * So just return crtc id as if crtc and pll were hard linked |
| * together even if they aren't |
| */ |
| return radeon_crtc->crtc_id; |
| } |
| } |
| |
| void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev) |
| { |
| /* always set DCPLL */ |
| if (ASIC_IS_DCE6(rdev)) |
| atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk); |
| else if (ASIC_IS_DCE4(rdev)) { |
| struct radeon_atom_ss ss; |
| bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss, |
| ASIC_INTERNAL_SS_ON_DCPLL, |
| rdev->clock.default_dispclk); |
| if (ss_enabled) |
| atombios_crtc_program_ss(rdev, ATOM_DISABLE, ATOM_DCPLL, -1, &ss); |
| /* XXX: DCE5, make sure voltage, dispclk is high enough */ |
| atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk); |
| if (ss_enabled) |
| atombios_crtc_program_ss(rdev, ATOM_ENABLE, ATOM_DCPLL, -1, &ss); |
| } |
| |
| } |
| |
| int atombios_crtc_mode_set(struct drm_crtc *crtc, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode, |
| int x, int y, struct drm_framebuffer *old_fb) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_encoder *radeon_encoder = |
| to_radeon_encoder(radeon_crtc->encoder); |
| bool is_tvcv = false; |
| |
| if (radeon_encoder->active_device & |
| (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) |
| is_tvcv = true; |
| |
| if (!radeon_crtc->adjusted_clock) |
| return -EINVAL; |
| |
| atombios_crtc_set_pll(crtc, adjusted_mode); |
| |
| if (ASIC_IS_DCE4(rdev)) |
| atombios_set_crtc_dtd_timing(crtc, adjusted_mode); |
| else if (ASIC_IS_AVIVO(rdev)) { |
| if (is_tvcv) |
| atombios_crtc_set_timing(crtc, adjusted_mode); |
| else |
| atombios_set_crtc_dtd_timing(crtc, adjusted_mode); |
| } else { |
| atombios_crtc_set_timing(crtc, adjusted_mode); |
| if (radeon_crtc->crtc_id == 0) |
| atombios_set_crtc_dtd_timing(crtc, adjusted_mode); |
| radeon_legacy_atom_fixup(crtc); |
| } |
| atombios_crtc_set_base(crtc, x, y, old_fb); |
| atombios_overscan_setup(crtc, mode, adjusted_mode); |
| atombios_scaler_setup(crtc); |
| radeon_cursor_reset(crtc); |
| /* update the hw version fpr dpm */ |
| radeon_crtc->hw_mode = *adjusted_mode; |
| |
| return 0; |
| } |
| |
| static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc, |
| const struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct drm_encoder *encoder; |
| |
| /* assign the encoder to the radeon crtc to avoid repeated lookups later */ |
| list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
| if (encoder->crtc == crtc) { |
| radeon_crtc->encoder = encoder; |
| radeon_crtc->connector = radeon_get_connector_for_encoder(encoder); |
| break; |
| } |
| } |
| if ((radeon_crtc->encoder == NULL) || (radeon_crtc->connector == NULL)) { |
| radeon_crtc->encoder = NULL; |
| radeon_crtc->connector = NULL; |
| return false; |
| } |
| if (radeon_crtc->encoder) { |
| struct radeon_encoder *radeon_encoder = |
| to_radeon_encoder(radeon_crtc->encoder); |
| |
| radeon_crtc->output_csc = radeon_encoder->output_csc; |
| } |
| if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) |
| return false; |
| if (!atombios_crtc_prepare_pll(crtc, adjusted_mode)) |
| return false; |
| /* pick pll */ |
| radeon_crtc->pll_id = radeon_atom_pick_pll(crtc); |
| /* if we can't get a PPLL for a non-DP encoder, fail */ |
| if ((radeon_crtc->pll_id == ATOM_PPLL_INVALID) && |
| !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) |
| return false; |
| |
| return true; |
| } |
| |
| static void atombios_crtc_prepare(struct drm_crtc *crtc) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| |
| /* disable crtc pair power gating before programming */ |
| if (ASIC_IS_DCE6(rdev)) |
| atombios_powergate_crtc(crtc, ATOM_DISABLE); |
| |
| atombios_lock_crtc(crtc, ATOM_ENABLE); |
| atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); |
| } |
| |
| static void atombios_crtc_commit(struct drm_crtc *crtc) |
| { |
| atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON); |
| atombios_lock_crtc(crtc, ATOM_DISABLE); |
| } |
| |
| static void atombios_crtc_disable(struct drm_crtc *crtc) |
| { |
| struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); |
| struct drm_device *dev = crtc->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_atom_ss ss; |
| int i; |
| |
| atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); |
| if (crtc->primary->fb) { |
| int r; |
| struct radeon_bo *rbo; |
| |
| rbo = gem_to_radeon_bo(crtc->primary->fb->obj[0]); |
| r = radeon_bo_reserve(rbo, false); |
| if (unlikely(r)) |
| DRM_ERROR("failed to reserve rbo before unpin\n"); |
| else { |
| radeon_bo_unpin(rbo); |
| radeon_bo_unreserve(rbo); |
| } |
| } |
| /* disable the GRPH */ |
| if (ASIC_IS_DCE4(rdev)) |
| WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 0); |
| else if (ASIC_IS_AVIVO(rdev)) |
| WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 0); |
| |
| if (ASIC_IS_DCE6(rdev)) |
| atombios_powergate_crtc(crtc, ATOM_ENABLE); |
| |
| for (i = 0; i < rdev->num_crtc; i++) { |
| if (rdev->mode_info.crtcs[i] && |
| rdev->mode_info.crtcs[i]->enabled && |
| i != radeon_crtc->crtc_id && |
| radeon_crtc->pll_id == rdev->mode_info.crtcs[i]->pll_id) { |
| /* one other crtc is using this pll don't turn |
| * off the pll |
| */ |
| goto done; |
| } |
| } |
| |
| switch (radeon_crtc->pll_id) { |
| case ATOM_PPLL1: |
| case ATOM_PPLL2: |
| /* disable the ppll */ |
| atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, |
| 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); |
| break; |
| case ATOM_PPLL0: |
| /* disable the ppll */ |
| if ((rdev->family == CHIP_ARUBA) || |
| (rdev->family == CHIP_KAVERI) || |
| (rdev->family == CHIP_BONAIRE) || |
| (rdev->family == CHIP_HAWAII)) |
| atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, |
| 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); |
| break; |
| default: |
| break; |
| } |
| done: |
| radeon_crtc->pll_id = ATOM_PPLL_INVALID; |
| radeon_crtc->adjusted_clock = 0; |
| radeon_crtc->encoder = NULL; |
| radeon_crtc->connector = NULL; |
| } |
| |
| static const struct drm_crtc_helper_funcs atombios_helper_funcs = { |
| .dpms = atombios_crtc_dpms, |
| .mode_fixup = atombios_crtc_mode_fixup, |
| .mode_set = atombios_crtc_mode_set, |
| .mode_set_base = atombios_crtc_set_base, |
| .mode_set_base_atomic = atombios_crtc_set_base_atomic, |
| .prepare = atombios_crtc_prepare, |
| .commit = atombios_crtc_commit, |
| .disable = atombios_crtc_disable, |
| .get_scanout_position = radeon_get_crtc_scanout_position, |
| }; |
| |
| void radeon_atombios_init_crtc(struct drm_device *dev, |
| struct radeon_crtc *radeon_crtc) |
| { |
| struct radeon_device *rdev = dev->dev_private; |
| |
| if (ASIC_IS_DCE4(rdev)) { |
| switch (radeon_crtc->crtc_id) { |
| case 0: |
| default: |
| radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET; |
| break; |
| case 1: |
| radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET; |
| break; |
| case 2: |
| radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET; |
| break; |
| case 3: |
| radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET; |
| break; |
| case 4: |
| radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET; |
| break; |
| case 5: |
| radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET; |
| break; |
| } |
| } else { |
| if (radeon_crtc->crtc_id == 1) |
| radeon_crtc->crtc_offset = |
| AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL; |
| else |
| radeon_crtc->crtc_offset = 0; |
| } |
| radeon_crtc->pll_id = ATOM_PPLL_INVALID; |
| radeon_crtc->adjusted_clock = 0; |
| radeon_crtc->encoder = NULL; |
| radeon_crtc->connector = NULL; |
| drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs); |
| } |