Commit 4dfa60ae authored by Leo Chen's avatar Leo Chen Committed by Alex Deucher
Browse files

drm/amd/display: Adding debug option to override Z8 watermark values 



[Why & How]
Adding debug options to override Z8 watermark values for testing purposes.

Reviewed-by: default avatarNicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: default avatarAlan Liu <HaoPing.Liu@amd.com>
Signed-off-by: default avatarLeo Chen <sancchen@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9749a42d

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

+4 −0
Original line number Diff line number Diff line
@@ -700,6 +700,8 @@ struct dc_virtual_addr_space_config { 
struct dc_bounding_box_overrides {

	int sr_exit_time_ns;

	int sr_enter_plus_exit_time_ns;

	int sr_exit_z8_time_ns;

	int sr_enter_plus_exit_z8_time_ns;

	int urgent_latency_ns;

	int percent_of_ideal_drambw;

	int dram_clock_change_latency_ns;
@@ -769,6 +771,8 @@ struct dc_debug_options { 
	int sr_enter_plus_exit_time_dpm0_ns;

	int sr_exit_time_ns;

	int sr_enter_plus_exit_time_ns;

	int sr_exit_z8_time_ns;

	int sr_enter_plus_exit_z8_time_ns;

	int urgent_latency_ns;

	uint32_t underflow_assert_delay_us;

	int percent_of_ideal_drambw;

drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c

+11 −0
Original line number Diff line number Diff line
@@ -1890,6 +1890,17 @@ void dcn20_patch_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_st 
				dc->bb_overrides.sr_enter_plus_exit_time_ns / 1000.0;

	}



	if ((int)(bb->sr_exit_z8_time_us * 1000)

				!= dc->bb_overrides.sr_exit_z8_time_ns

			&& dc->bb_overrides.sr_exit_z8_time_ns) {

		bb->sr_exit_z8_time_us = dc->bb_overrides.sr_exit_z8_time_ns / 1000.0;

	}



	if ((int)(bb->sr_enter_plus_exit_z8_time_us * 1000)

				!= dc->bb_overrides.sr_enter_plus_exit_z8_time_ns

			&& dc->bb_overrides.sr_enter_plus_exit_z8_time_ns) {

		bb->sr_enter_plus_exit_z8_time_us = dc->bb_overrides.sr_enter_plus_exit_z8_time_ns / 1000.0;

	}

	if ((int)(bb->urgent_latency_us * 1000) != dc->bb_overrides.urgent_latency_ns

			&& dc->bb_overrides.urgent_latency_ns) {

		bb->urgent_latency_us = dc->bb_overrides.urgent_latency_ns / 1000.0;