[PATCH 6.10 444/482] drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35

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6.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Yihan Zhu <Yihan.Zhu@xxxxxxx>

commit 0d5e5e8a0aa49ea2163abf128da3b509a6c58286 upstream.

[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@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Charlene Liu <charlene.liu@xxxxxxx>
Signed-off-by: Yihan Zhu <Yihan.Zhu@xxxxxxx>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
(cherry picked from commit 9dad21f910fcea2bdcff4af46159101d7f9cd8ba)
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/amd/display/dc/dml2/dml2_policy.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_policy.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_policy.c
@@ -303,7 +303,6 @@ void build_unoptimized_policy_settings(e
 	if (project == dml_project_dcn35 ||
 		project == dml_project_dcn351) {
 		policy->DCCProgrammingAssumesScanDirectionUnknownFinal = false;
-		policy->EnhancedPrefetchScheduleAccelerationFinal = 0;
 		policy->AllowForPStateChangeOrStutterInVBlankFinal = dml_prefetch_support_uclk_fclk_and_stutter_if_possible; /*new*/
 		policy->UseOnlyMaxPrefetchModes = 1;
 	}






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