This is a note to let you know that I've just added the patch titled
Revert "drm/amd/display: Update NV1x SR latency values"
to the 5.10-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:
revert-drm-amd-display-update-nv1x-sr-latency-values.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From cf050f96e0970a557601953ed7269d07a7885078 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Wed, 3 Feb 2021 14:03:50 -0500
Subject: Revert "drm/amd/display: Update NV1x SR latency values"
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit cf050f96e0970a557601953ed7269d07a7885078 upstream.
This reverts commit 4a3dea8932d3b1199680d2056dd91d31d94d70b7.
This causes blank screens for some users.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1482
Cc: Alvin Lee <alvin.lee2@xxxxxxx>
Cc: Jun Lei <Jun.Lei@xxxxxxx>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -297,8 +297,8 @@ static struct _vcs_dpi_soc_bounding_box_
},
},
.num_states = 5,
- .sr_exit_time_us = 11.6,
- .sr_enter_plus_exit_time_us = 13.9,
+ .sr_exit_time_us = 8.6,
+ .sr_enter_plus_exit_time_us = 10.9,
.urgent_latency_us = 4.0,
.urgent_latency_pixel_data_only_us = 4.0,
.urgent_latency_pixel_mixed_with_vm_data_us = 4.0,
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-5.10/revert-drm-amd-display-update-nv1x-sr-latency-values.patch
