Commit 0cd34ce8 authored by Alvin Lee's avatar Alvin Lee Committed by Alex Deucher
Browse files

drm/amd/display: Add a variable to update FCLK latency 



[Description]
Add a variable to update FCLK latency

Reviewed-by: default avatarMartin Leung <Martin.Leung@amd.com>
Acked-by: default avatarTom Chung <chiahsuan.chung@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 2de09ce4

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

+1 −0
Original line number Diff line number Diff line
@@ -609,6 +609,7 @@ struct dc_bounding_box_overrides { 
	int percent_of_ideal_drambw;

	int dram_clock_change_latency_ns;

	int dummy_clock_change_latency_ns;

	int fclk_clock_change_latency_ns;

	/* This forces a hard min on the DCFCLK we use

	 * for DML.  Unlike the debug option for forcing

	 * DCFCLK, this override affects watermark calculations

drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c

+7 −0
Original line number Diff line number Diff line
@@ -2098,6 +2098,13 @@ void dcn32_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_pa 
				dc->bb_overrides.dram_clock_change_latency_ns / 1000.0;

		}



		if ((int)(dcn3_2_soc.fclk_change_latency_us * 1000)

				!= dc->bb_overrides.fclk_clock_change_latency_ns

				&& dc->bb_overrides.fclk_clock_change_latency_ns) {

			dcn3_2_soc.fclk_change_latency_us =

				dc->bb_overrides.fclk_clock_change_latency_ns / 1000;

		}



		if ((int)(dcn3_2_soc.dummy_pstate_latency_us * 1000)

				!= dc->bb_overrides.dummy_clock_change_latency_ns

				&& dc->bb_overrides.dummy_clock_change_latency_ns) {

drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c

+7 −0
Original line number Diff line number Diff line
@@ -498,6 +498,13 @@ void dcn321_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_p 
				dc->bb_overrides.dram_clock_change_latency_ns / 1000.0;

		}



		if ((int)(dcn3_21_soc.fclk_change_latency_us * 1000)

				!= dc->bb_overrides.fclk_clock_change_latency_ns

				&& dc->bb_overrides.fclk_clock_change_latency_ns) {

			dcn3_21_soc.fclk_change_latency_us =

				dc->bb_overrides.fclk_clock_change_latency_ns / 1000;

		}



		if ((int)(dcn3_21_soc.dummy_pstate_latency_us * 1000)

				!= dc->bb_overrides.dummy_clock_change_latency_ns

				&& dc->bb_overrides.dummy_clock_change_latency_ns) {