This is a note to let you know that I've just added the patch titled
drm/amdgpu: correct the amdgpu runtime dereference usage count
to the 5.15-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-amdgpu-correct-the-amdgpu-runtime-dereference-us.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 6cc584a89cfe01fa658ea5e407757fb3f94b7542
Author: Prike Liang <Prike.Liang@xxxxxxx>
Date: Wed Nov 8 14:38:29 2023 +0800
drm/amdgpu: correct the amdgpu runtime dereference usage count
[ Upstream commit c6df7f313794c3ad41a49b9a7c95da369db607f3 ]
Fix the amdgpu runpm dereference usage count.
Signed-off-by: Prike Liang <Prike.Liang@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 2952f89734487..11413b3e80c5b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -296,14 +296,11 @@ int amdgpu_display_crtc_set_config(struct drm_mode_set *set,
adev->have_disp_power_ref = true;
return ret;
}
- /* if we have no active crtcs, then drop the power ref
- * we got before
+ /* if we have no active crtcs, then go to
+ * drop the power ref we got before
*/
- if (!active && adev->have_disp_power_ref) {
- pm_runtime_put_autosuspend(dev->dev);
+ if (!active && adev->have_disp_power_ref)
adev->have_disp_power_ref = false;
- }
-
out:
/* drop the power reference we got coming in here */
pm_runtime_put_autosuspend(dev->dev);
