FAILED: Patch "Revert "drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35"" failed to apply to v6.1-stable tree
Sasha Levin
maintainerThe patch below does not apply to the v6.1-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
Thanks,
Sasha
------------------ original commit in Linus's tree ------------------
From 1b6063a57754eae5705753c01e78dc268b989038 Mon Sep 17 00:00:00 2001
From: Ovidiu Bunea <[email protected]>
Date: Fri, 11 Oct 2024 11:12:19 -0400
Subject: [PATCH] Revert "drm/amd/display: update DML2 policy
EnhancedPrefetchScheduleAccelerationFinal DCN35"
This reverts
commit 9dad21f910fc ("drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35")
[why & how]
The offending commit exposes a hang with lid close/open behavior. Both issues seem to be related to ODM 2:1 mode switching, so there is another issue generic to that sequence that needs to be investigated.
--- drivers/gpu/drm/amd/display/dc/dml2/dml2_policy.c | 1 + 1 file changed, 1 insertion(+)
drivers/gpu/drm/amd/display/dc/dml2/dml2_policy.c +1 -0
@@ -303,6 +303,7 @@ void build_unoptimized_policy_settings(enum dml_project_id project, struct dml_mif (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 ; }
Signature · 1 line
2.43.0