Commit 0d5e5e8a authored by Yihan Zhu's avatar Yihan Zhu Committed by Alex Deucher

drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35

[WHY & HOW]
Mismatch in DCN35 DML2 cause bw validation failed to acquire unexpected DPP pipe to cause
grey screen and system hang. Remove EnhancedPrefetchScheduleAccelerationFinal value override
to match HW spec.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarCharlene Liu <charlene.liu@amd.com>
Signed-off-by: default avatarYihan Zhu <Yihan.Zhu@amd.com>
Signed-off-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 9dad21f910fcea2bdcff4af46159101d7f9cd8ba)
Cc: stable@vger.kernel.org
parent d7d2688b
...@@ -303,7 +303,6 @@ void build_unoptimized_policy_settings(enum dml_project_id project, struct dml_m ...@@ -303,7 +303,6 @@ void build_unoptimized_policy_settings(enum dml_project_id project, struct dml_m
if (project == dml_project_dcn35 || if (project == dml_project_dcn35 ||
project == dml_project_dcn351) { project == dml_project_dcn351) {
policy->DCCProgrammingAssumesScanDirectionUnknownFinal = false; policy->DCCProgrammingAssumesScanDirectionUnknownFinal = false;
policy->EnhancedPrefetchScheduleAccelerationFinal = 0;
policy->AllowForPStateChangeOrStutterInVBlankFinal = dml_prefetch_support_uclk_fclk_and_stutter_if_possible; /*new*/ policy->AllowForPStateChangeOrStutterInVBlankFinal = dml_prefetch_support_uclk_fclk_and_stutter_if_possible; /*new*/
policy->UseOnlyMaxPrefetchModes = 1; policy->UseOnlyMaxPrefetchModes = 1;
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment