This is a note to let you know that I've just added the patch titled
drm/amd/pm: no need to force MCLK to highest when no display connected
to the 5.11-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-pm-no-need-to-force-mclk-to-highest-when-no-display-connected.patch
and it can be found in the queue-5.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From acc7baafeb0b52a5b91be64c4776f827a163dda1 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@xxxxxxx>
Date: Tue, 23 Mar 2021 16:30:38 +0800
Subject: drm/amd/pm: no need to force MCLK to highest when no display connected
From: Evan Quan <evan.quan@xxxxxxx>
commit acc7baafeb0b52a5b91be64c4776f827a163dda1 upstream.
Correct the check for vblank short.
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Tested-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
@@ -3330,7 +3330,8 @@ static int smu7_apply_state_adjust_rules
disable_mclk_switching_for_display = ((1 < hwmgr->display_config->num_display) &&
!hwmgr->display_config->multi_monitor_in_sync) ||
- smu7_vblank_too_short(hwmgr, hwmgr->display_config->min_vblank_time);
+ (hwmgr->display_config->num_display &&
+ smu7_vblank_too_short(hwmgr, hwmgr->display_config->min_vblank_time));
disable_mclk_switching = disable_mclk_switching_for_frame_lock ||
disable_mclk_switching_for_display;
Patches currently in stable-queue which might be from evan.quan@xxxxxxx are
queue-5.11/drm-amdgpu-vangogh-don-t-check-for-dpm-in-is_dpm_running-when-in-suspend.patch
queue-5.11/drm-amd-pm-no-need-to-force-mclk-to-highest-when-no-display-connected.patch
