diff options
| author | Brandon Syu <[email protected]> | 2021-11-03 12:11:28 +0800 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2021-11-22 14:45:01 -0500 |
| commit | 189789a15f77239d03caad68fe4245be92d7f71c (patch) | |
| tree | bde3e8b81410c571ad1b7fdd96ed17190db0b768 | |
| parent | 2665f63a7364633ad90b2c58167ed7ae224e5d33 (diff) | |
drm/amd/display: Fix eDP will flash when boot to OS
[WHY]
With eDP DSC enabled and set 4K 60Hz, there would be screen
corruption when booting to OS or enabling the driver.
[HOW]
Avoid powering down VDD when we cannot apply eDP fast boot.
Reviewed-by: Nicholas Kazlauskas <[email protected]>
Acked-by: Wayne Lin <[email protected]>
Signed-off-by: Brandon Syu <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 2bd27c58ef5d..84f3545c3032 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -6045,7 +6045,10 @@ bool is_edp_ilr_optimization_required(struct dc_link *link, struct dc_crtc_timin req_bw = dc_bandwidth_in_kbps_from_timing(crtc_timing); - decide_edp_link_settings(link, &link_setting, req_bw); + if (!crtc_timing->flags.DSC) + decide_edp_link_settings(link, &link_setting, req_bw); + else + decide_edp_link_settings_with_dsc(link, &link_setting, req_bw, LINK_RATE_UNKNOWN); if (link->dpcd_caps.edp_supported_link_rates[link_rate_set] != link_setting.link_rate || lane_count_set.bits.LANE_COUNT_SET != link_setting.lane_count) { diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 665cf58b0724..3d421583e9ca 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1833,7 +1833,7 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) } } // We are trying to enable eDP, don't power down VDD - if (edp_stream_num) + if (edp_stream_num && can_apply_edp_fast_boot) keep_edp_vdd_on = true; } |