This is a note to let you know that I've just added the patch titled
drm/xe/display: Fix double mutex initialization
to the 6.8-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-xe-display-fix-double-mutex-initialization.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 713cd033a79e86c84d3ce0c0938d59532f518eae
Author: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Date: Fri Apr 5 13:07:11 2024 -0700
drm/xe/display: Fix double mutex initialization
[ Upstream commit 50a9b7fc151e67b9e642232d32e8c5a5ac13e64a ]
All of these mutexes are already initialized by the display side since
commit 3fef3e6ff86a ("drm/i915: move display mutex inits to display
code"), so the xe shouldn´t initialize them.
Fixes: 44e694958b95 ("drm/xe/display: Implement display support")
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: Arun R Murthy <arun.r.murthy@xxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240405200711.2041428-1-lucas.demarchi@xxxxxxxxx
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
(cherry picked from commit 117de185edf2c5767f03575219bf7a43b161ff0d)
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/xe/xe_display.c b/drivers/gpu/drm/xe/xe_display.c
index e4db069f0db3f..6ec375c1c4b6c 100644
--- a/drivers/gpu/drm/xe/xe_display.c
+++ b/drivers/gpu/drm/xe/xe_display.c
@@ -108,11 +108,6 @@ int xe_display_create(struct xe_device *xe)
xe->display.hotplug.dp_wq = alloc_ordered_workqueue("xe-dp", 0);
drmm_mutex_init(&xe->drm, &xe->sb_lock);
- drmm_mutex_init(&xe->drm, &xe->display.backlight.lock);
- drmm_mutex_init(&xe->drm, &xe->display.audio.mutex);
- drmm_mutex_init(&xe->drm, &xe->display.wm.wm_mutex);
- drmm_mutex_init(&xe->drm, &xe->display.pps.mutex);
- drmm_mutex_init(&xe->drm, &xe->display.hdcp.hdcp_mutex);
xe->enabled_irq_mask = ~0;
err = drmm_add_action_or_reset(&xe->drm, display_destroy, NULL);
