blob: 5dd1ce9ddb539afb2aa1dbfb16f6550086402ecd [file] [log] [blame]
/*
* Copyright 2016 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.
*
* Authors: AMD
*
*/
#include "dm_services.h"
#include "dm_helpers.h"
#include "core_types.h"
#include "resource.h"
#include "dccg.h"
#include "dce/dce_hwseq.h"
#include "clk_mgr.h"
#include "reg_helper.h"
#include "abm.h"
#include "hubp.h"
#include "dchubbub.h"
#include "timing_generator.h"
#include "opp.h"
#include "ipp.h"
#include "mpc.h"
#include "mcif_wb.h"
#include "dc_dmub_srv.h"
#include "dcn31_hwseq.h"
#include "link_hwss.h"
#include "dpcd_defs.h"
#include "dce/dmub_outbox.h"
#include "dc_link_dp.h"
#include "inc/link_dpcd.h"
#include "dcn10/dcn10_hw_sequencer.h"
#include "inc/link_enc_cfg.h"
#include "dcn30/dcn30_vpg.h"
#include "dce/dce_i2c_hw.h"
#define DC_LOGGER_INIT(logger)
#define CTX \
hws->ctx
#define REG(reg)\
hws->regs->reg
#define DC_LOGGER \
dc->ctx->logger
#undef FN
#define FN(reg_name, field_name) \
hws->shifts->field_name, hws->masks->field_name
static void enable_memory_low_power(struct dc *dc)
{
struct dce_hwseq *hws = dc->hwseq;
int i;
if (dc->debug.enable_mem_low_power.bits.dmcu) {
// Force ERAM to shutdown if DMCU is not enabled
if (dc->debug.disable_dmcu || dc->config.disable_dmcu) {
REG_UPDATE(DMU_MEM_PWR_CNTL, DMCU_ERAM_MEM_PWR_FORCE, 3);
}
}
// Set default OPTC memory power states
if (dc->debug.enable_mem_low_power.bits.optc) {
// Shutdown when unassigned and light sleep in VBLANK
REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1);
}
if (dc->debug.enable_mem_low_power.bits.vga) {
// Power down VGA memory
REG_UPDATE(MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, 1);
}
if (dc->debug.enable_mem_low_power.bits.mpc)
dc->res_pool->mpc->funcs->set_mpc_mem_lp_mode(dc->res_pool->mpc);
if (dc->debug.enable_mem_low_power.bits.vpg && dc->res_pool->stream_enc[0]->vpg->funcs->vpg_powerdown) {
// Power down VPGs
for (i = 0; i < dc->res_pool->stream_enc_count; i++)
dc->res_pool->stream_enc[i]->vpg->funcs->vpg_powerdown(dc->res_pool->stream_enc[i]->vpg);
#if defined(CONFIG_DRM_AMD_DC_DCN)
for (i = 0; i < dc->res_pool->hpo_dp_stream_enc_count; i++)
dc->res_pool->hpo_dp_stream_enc[i]->vpg->funcs->vpg_powerdown(dc->res_pool->hpo_dp_stream_enc[i]->vpg);
#endif
}
}
void dcn31_init_hw(struct dc *dc)
{
struct abm **abms = dc->res_pool->multiple_abms;
struct dce_hwseq *hws = dc->hwseq;
struct dc_bios *dcb = dc->ctx->dc_bios;
struct resource_pool *res_pool = dc->res_pool;
uint32_t backlight = MAX_BACKLIGHT_LEVEL;
int i, j;
if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
REG_WRITE(REFCLK_CNTL, 0);
REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
REG_WRITE(DIO_MEM_PWR_CTRL, 0);
if (!dc->debug.disable_clock_gate) {
/* enable all DCN clock gating */
REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
}
//Enable ability to power gate / don't force power on permanently
if (hws->funcs.enable_power_gating_plane)
hws->funcs.enable_power_gating_plane(hws, true);
return;
}
if (!dcb->funcs->is_accelerated_mode(dcb)) {
hws->funcs.bios_golden_init(dc);
hws->funcs.disable_vga(dc->hwseq);
}
// Initialize the dccg
if (res_pool->dccg->funcs->dccg_init)
res_pool->dccg->funcs->dccg_init(res_pool->dccg);
enable_memory_low_power(dc);
if (dc->ctx->dc_bios->fw_info_valid) {
res_pool->ref_clocks.xtalin_clock_inKhz =
dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
if (res_pool->dccg && res_pool->hubbub) {
(res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
&res_pool->ref_clocks.dccg_ref_clock_inKhz);
(res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
res_pool->ref_clocks.dccg_ref_clock_inKhz,
&res_pool->ref_clocks.dchub_ref_clock_inKhz);
} else {
// Not all ASICs have DCCG sw component
res_pool->ref_clocks.dccg_ref_clock_inKhz =
res_pool->ref_clocks.xtalin_clock_inKhz;
res_pool->ref_clocks.dchub_ref_clock_inKhz =
res_pool->ref_clocks.xtalin_clock_inKhz;
}
}
} else
ASSERT_CRITICAL(false);
for (i = 0; i < dc->link_count; i++) {
/* Power up AND update implementation according to the
* required signal (which may be different from the
* default signal on connector).
*/
struct dc_link *link = dc->links[i];
if (link->ep_type != DISPLAY_ENDPOINT_PHY)
continue;
link->link_enc->funcs->hw_init(link->link_enc);
/* Check for enabled DIG to identify enabled display */
if (link->link_enc->funcs->is_dig_enabled &&
link->link_enc->funcs->is_dig_enabled(link->link_enc))
link->link_status.link_active = true;
}
/* Power gate DSCs */
for (i = 0; i < res_pool->res_cap->num_dsc; i++)
if (hws->funcs.dsc_pg_control != NULL)
hws->funcs.dsc_pg_control(hws, res_pool->dscs[i]->inst, false);
/* Enables outbox notifications for usb4 dpia */
if (dc->res_pool->usb4_dpia_count)
dmub_enable_outbox_notification(dc);
/* we want to turn off all dp displays before doing detection */
if (dc->config.power_down_display_on_boot) {
uint8_t dpcd_power_state = '\0';
enum dc_status status = DC_ERROR_UNEXPECTED;
for (i = 0; i < dc->link_count; i++) {
if (dc->links[i]->connector_signal != SIGNAL_TYPE_DISPLAY_PORT)
continue;
/* if any of the displays are lit up turn them off */
status = core_link_read_dpcd(dc->links[i], DP_SET_POWER,
&dpcd_power_state, sizeof(dpcd_power_state));
if (status == DC_OK && dpcd_power_state == DP_POWER_STATE_D0) {
/* blank dp stream before power off receiver*/
if (dc->links[i]->ep_type == DISPLAY_ENDPOINT_PHY &&
dc->links[i]->link_enc->funcs->get_dig_frontend) {
unsigned int fe;
fe = dc->links[i]->link_enc->funcs->get_dig_frontend(
dc->links[i]->link_enc);
if (fe == ENGINE_ID_UNKNOWN)
continue;
for (j = 0; j < dc->res_pool->stream_enc_count; j++) {
if (fe == dc->res_pool->stream_enc[j]->id) {
dc->res_pool->stream_enc[j]->funcs->dp_blank(dc->links[i],
dc->res_pool->stream_enc[j]);
break;
}
}
}
dp_receiver_power_ctrl(dc->links[i], false);
}
}
}
/* If taking control over from VBIOS, we may want to optimize our first
* mode set, so we need to skip powering down pipes until we know which
* pipes we want to use.
* Otherwise, if taking control is not possible, we need to power
* everything down.
*/
if (dcb->funcs->is_accelerated_mode(dcb) || dc->config.power_down_display_on_boot) {
hws->funcs.init_pipes(dc, dc->current_state);
if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
!dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
}
for (i = 0; i < res_pool->audio_count; i++) {
struct audio *audio = res_pool->audios[i];
audio->funcs->hw_init(audio);
}
for (i = 0; i < dc->link_count; i++) {
struct dc_link *link = dc->links[i];
if (link->panel_cntl)
backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
}
for (i = 0; i < dc->res_pool->pipe_count; i++) {
if (abms[i] != NULL)
abms[i]->funcs->abm_init(abms[i], backlight);
}
/* power AFMT HDMI memory TODO: may move to dis/en output save power*/
REG_WRITE(DIO_MEM_PWR_CTRL, 0);
// Set i2c to light sleep until engine is setup
if (dc->debug.enable_mem_low_power.bits.i2c)
REG_UPDATE(DIO_MEM_PWR_CTRL, I2C_LIGHT_SLEEP_FORCE, 1);
if (hws->funcs.setup_hpo_hw_control)
hws->funcs.setup_hpo_hw_control(hws, false);
if (!dc->debug.disable_clock_gate) {
/* enable all DCN clock gating */
REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
}
if (hws->funcs.enable_power_gating_plane)
hws->funcs.enable_power_gating_plane(dc->hwseq, true);
if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
if (dc->clk_mgr->funcs->notify_wm_ranges)
dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
if (dc->clk_mgr->funcs->set_hard_max_memclk)
dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
if (dc->res_pool->hubbub->funcs->force_pstate_change_control)
dc->res_pool->hubbub->funcs->force_pstate_change_control(
dc->res_pool->hubbub, false, false);
#if defined(CONFIG_DRM_AMD_DC_DCN)
if (dc->res_pool->hubbub->funcs->init_crb)
dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
#endif
}
void dcn31_dsc_pg_control(
struct dce_hwseq *hws,
unsigned int dsc_inst,
bool power_on)
{
uint32_t power_gate = power_on ? 0 : 1;
uint32_t pwr_status = power_on ? 0 : 2;
uint32_t org_ip_request_cntl = 0;
if (hws->ctx->dc->debug.disable_dsc_power_gate)
return;
if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc &&
hws->ctx->dc->res_pool->dccg->funcs->enable_dsc &&
power_on)
hws->ctx->dc->res_pool->dccg->funcs->enable_dsc(
hws->ctx->dc->res_pool->dccg, dsc_inst);
REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
if (org_ip_request_cntl == 0)
REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
switch (dsc_inst) {
case 0: /* DSC0 */
REG_UPDATE(DOMAIN16_PG_CONFIG,
DOMAIN_POWER_GATE, power_gate);
REG_WAIT(DOMAIN16_PG_STATUS,
DOMAIN_PGFSM_PWR_STATUS, pwr_status,
1, 1000);
break;
case 1: /* DSC1 */
REG_UPDATE(DOMAIN17_PG_CONFIG,
DOMAIN_POWER_GATE, power_gate);
REG_WAIT(DOMAIN17_PG_STATUS,
DOMAIN_PGFSM_PWR_STATUS, pwr_status,
1, 1000);
break;
case 2: /* DSC2 */
REG_UPDATE(DOMAIN18_PG_CONFIG,
DOMAIN_POWER_GATE, power_gate);
REG_WAIT(DOMAIN18_PG_STATUS,
DOMAIN_PGFSM_PWR_STATUS, pwr_status,
1, 1000);
break;
default:
BREAK_TO_DEBUGGER();
break;
}
if (org_ip_request_cntl == 0)
REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc) {
if (hws->ctx->dc->res_pool->dccg->funcs->disable_dsc && !power_on)
hws->ctx->dc->res_pool->dccg->funcs->disable_dsc(
hws->ctx->dc->res_pool->dccg, dsc_inst);
}
}
void dcn31_enable_power_gating_plane(
struct dce_hwseq *hws,
bool enable)
{
bool force_on = true; /* disable power gating */
if (enable)
force_on = false;
/* DCHUBP0/1/2/3/4/5 */
REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
/* DPP0/1/2/3/4/5 */
REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
/* DCS0/1/2/3/4/5 */
REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
}
void dcn31_update_info_frame(struct pipe_ctx *pipe_ctx)
{
bool is_hdmi_tmds;
bool is_dp;
ASSERT(pipe_ctx->stream);
if (pipe_ctx->stream_res.stream_enc == NULL)
return; /* this is not root pipe */
is_hdmi_tmds = dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal);
is_dp = dc_is_dp_signal(pipe_ctx->stream->signal);
if (!is_hdmi_tmds && !is_dp)
return;
if (is_hdmi_tmds)
pipe_ctx->stream_res.stream_enc->funcs->update_hdmi_info_packets(
pipe_ctx->stream_res.stream_enc,
&pipe_ctx->stream_res.encoder_info_frame);
else {
pipe_ctx->stream_res.stream_enc->funcs->update_dp_info_packets(
pipe_ctx->stream_res.stream_enc,
&pipe_ctx->stream_res.encoder_info_frame);
}
}
void dcn31_z10_save_init(struct dc *dc)
{
union dmub_rb_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.dcn_restore.header.type = DMUB_CMD__IDLE_OPT;
cmd.dcn_restore.header.sub_type = DMUB_CMD__IDLE_OPT_DCN_SAVE_INIT;
dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
}
void dcn31_z10_restore(const struct dc *dc)
{
union dmub_rb_cmd cmd;
/*
* DMUB notifies whether restore is required.
* Optimization to avoid sending commands when not required.
*/
if (!dc_dmub_srv_is_restore_required(dc->ctx->dmub_srv))
return;
memset(&cmd, 0, sizeof(cmd));
cmd.dcn_restore.header.type = DMUB_CMD__IDLE_OPT;
cmd.dcn_restore.header.sub_type = DMUB_CMD__IDLE_OPT_DCN_RESTORE;
dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
}
void dcn31_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on)
{
uint32_t power_gate = power_on ? 0 : 1;
uint32_t pwr_status = power_on ? 0 : 2;
if (hws->ctx->dc->debug.disable_hubp_power_gate)
return;
if (REG(DOMAIN0_PG_CONFIG) == 0)
return;
switch (hubp_inst) {
case 0:
REG_SET(DOMAIN0_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
REG_WAIT(DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
break;
case 1:
REG_SET(DOMAIN1_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
REG_WAIT(DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
break;
case 2:
REG_SET(DOMAIN2_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
REG_WAIT(DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
break;
case 3:
REG_SET(DOMAIN3_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
REG_WAIT(DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
break;
default:
BREAK_TO_DEBUGGER();
break;
}
}
int dcn31_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
{
struct dcn_hubbub_phys_addr_config config;
config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
if (pa_config->gart_config.base_addr_is_mc_addr) {
/* Convert from MC address to offset into FB */
config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr -
pa_config->system_aperture.fb_base +
pa_config->system_aperture.fb_offset;
} else
config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
}
static void dcn31_reset_back_end_for_pipe(
struct dc *dc,
struct pipe_ctx *pipe_ctx,
struct dc_state *context)
{
struct dc_link *link;
DC_LOGGER_INIT(dc->ctx->logger);
if (pipe_ctx->stream_res.stream_enc == NULL) {
pipe_ctx->stream = NULL;
return;
}
ASSERT(!pipe_ctx->top_pipe);
dc->hwss.set_abm_immediate_disable(pipe_ctx);
pipe_ctx->stream_res.tg->funcs->set_dsc_config(
pipe_ctx->stream_res.tg,
OPTC_DSC_DISABLED, 0, 0);
pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);
if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass)
pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
if (pipe_ctx->stream_res.tg->funcs->set_drr)
pipe_ctx->stream_res.tg->funcs->set_drr(
pipe_ctx->stream_res.tg, NULL);
if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
link = pipe_ctx->stream->link;
/* DPMS may already disable or */
/* dpms_off status is incorrect due to fastboot
* feature. When system resume from S4 with second
* screen only, the dpms_off would be true but
* VBIOS lit up eDP, so check link status too.
*/
if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
core_link_disable_stream(pipe_ctx);
else if (pipe_ctx->stream_res.audio)
dc->hwss.disable_audio_stream(pipe_ctx);
/* free acquired resources */
if (pipe_ctx->stream_res.audio) {
/*disable az_endpoint*/
pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
/*free audio*/
if (dc->caps.dynamic_audio == true) {
/*we have to dynamic arbitrate the audio endpoints*/
/*we free the resource, need reset is_audio_acquired*/
update_audio_usage(&dc->current_state->res_ctx, dc->res_pool,
pipe_ctx->stream_res.audio, false);
pipe_ctx->stream_res.audio = NULL;
}
}
} else if (pipe_ctx->stream_res.dsc) {
dp_set_dsc_enable(pipe_ctx, false);
}
pipe_ctx->stream = NULL;
DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n",
pipe_ctx->pipe_idx, pipe_ctx->stream_res.tg->inst);
}
void dcn31_reset_hw_ctx_wrap(
struct dc *dc,
struct dc_state *context)
{
int i;
struct dce_hwseq *hws = dc->hwseq;
/* Reset Back End*/
for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) {
struct pipe_ctx *pipe_ctx_old =
&dc->current_state->res_ctx.pipe_ctx[i];
struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
if (!pipe_ctx_old->stream)
continue;
if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe)
continue;
if (!pipe_ctx->stream ||
pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) {
struct clock_source *old_clk = pipe_ctx_old->clock_source;
dcn31_reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state);
if (hws->funcs.enable_stream_gating)
hws->funcs.enable_stream_gating(dc, pipe_ctx);
if (old_clk)
old_clk->funcs->cs_power_down(old_clk);
}
}
/* New dc_state in the process of being applied to hardware. */
dc->current_state->res_ctx.link_enc_cfg_ctx.mode = LINK_ENC_CFG_TRANSIENT;
}
void dcn31_setup_hpo_hw_control(const struct dce_hwseq *hws, bool enable)
{
if (hws->ctx->dc->debug.hpo_optimization)
REG_UPDATE(HPO_TOP_HW_CONTROL, HPO_IO_EN, !!enable);
}