Commit fff7eb56 authored by Alvin Lee's avatar Alvin Lee Committed by Alex Deucher
Browse files

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: default avatarJun Lei <Jun.Lei@amd.com>
Acked-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: default avatarAlvin Lee <Alvin.Lee2@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 01470645

drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c

+1 −1
Original line number Diff line number Diff line
@@ -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;