This is a note to let you know that I've just added the patch titled
drm/amd/display: Remove optimization for VRR updates
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-display-remove-optimization-for-vrr-updates.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 3442f4e0e55555d14b099c17382453fdfd2508d5 Mon Sep 17 00:00:00 2001
From: Alvin Lee <Alvin.Lee2@xxxxxxx>
Date: Thu, 20 Oct 2022 11:46:49 -0400
Subject: drm/amd/display: Remove optimization for VRR updates
From: Alvin Lee <Alvin.Lee2@xxxxxxx>
commit 3442f4e0e55555d14b099c17382453fdfd2508d5 upstream.
Optimization caused unexpected regression, so remove for now.
Tested-by: Mark Broadworth <mark.broadworth@xxxxxxx>
Reviewed-by: Aric Cyr <Aric.Cyr@xxxxxxx>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Signed-off-by: Alvin Lee <Alvin.Lee2@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: Mario Limonciello <mario.limonciello@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 3 ---
1 file changed, 3 deletions(-)
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -401,9 +401,6 @@ bool dc_stream_adjust_vmin_vmax(struct d
{
int i;
- if (memcmp(adjust, &stream->adjust, sizeof(struct dc_crtc_timing_adjust)) == 0)
- return true;
-
stream->adjust.v_total_max = adjust->v_total_max;
stream->adjust.v_total_mid = adjust->v_total_mid;
stream->adjust.v_total_mid_frame_num = adjust->v_total_mid_frame_num;
Patches currently in stable-queue which might be from Alvin.Lee2@xxxxxxx are
queue-6.1/drm-amd-display-remove-optimization-for-vrr-updates.patch
