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

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

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Leo Chen <sancchen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo Chen
2023-04-13 17:37:49 -04:00
committed by Alex Deucher
parent 9749a42db7
commit 4dfa60aede
2 changed files with 15 additions and 0 deletions
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4
drivers/gpu/drm/amd/display/dc/dc.h
View File

@@ -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;

11
drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c
View File

@@ -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;