diff options
author | Alvin Lee <Alvin.Lee2@amd.com> | 2022-06-16 10:58:08 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2022-07-05 16:12:59 -0400 |
commit | fff7eb56b376cadc58af14df286009086cc4d80f (patch) | |
tree | 46b0f42921a31a31343999601e8961a01b007347 | |
parent | 0147064588253b9c07766bd6292a6159475c2790 (diff) | |
download | linux-stable-fff7eb56b376cadc58af14df286009086cc4d80f.tar.gz linux-stable-fff7eb56b376cadc58af14df286009086cc4d80f.tar.bz2 linux-stable-fff7eb56b376cadc58af14df286009086cc4d80f.zip |
drm/amd/display: Don't set dram clock change requirement for SubVP
[Description]
In general cases we want to keep the dram clock change requirement (we
prefer configs that support MCLK switch). Only override to false for
SubVP.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h index b5d7e251ed81..87c9b9f9976e 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h +++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h @@ -184,6 +184,7 @@ struct _vcs_dpi_soc_bounding_box_st { double max_avg_fabric_bw_use_normal_percent; double max_avg_dram_bw_use_normal_strobe_percent; enum dm_prefetch_modes allow_for_pstate_or_stutter_in_vblank_final; + bool dram_clock_change_requirement_final; double writeback_latency_us; double ideal_dram_bw_after_urgent_percent; double pct_ideal_dram_sdp_bw_after_urgent_pixel_only; // PercentOfIdealDRAMFabricAndSDPPortBWReceivedAfterUrgLatencyPixelDataOnly diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c index 5185c2ccdfd5..95edca4c085b 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c +++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c @@ -343,7 +343,7 @@ static void fetch_socbb_params(struct display_mode_lib *mode_lib) mode_lib->vba.MaxAveragePercentOfIdealDRAMBWDisplayCanUseInNormalSystemOperationSTROBE = soc->max_avg_dram_bw_use_normal_strobe_percent; - mode_lib->vba.DRAMClockChangeRequirementFinal = 1; + mode_lib->vba.DRAMClockChangeRequirementFinal = soc->dram_clock_change_requirement_final; mode_lib->vba.FCLKChangeRequirementFinal = 1; mode_lib->vba.USRRetrainingRequiredFinal = 1; mode_lib->vba.ConfigurableDETSizeEnFinal = 0; |