Patch "drm/amdgpu: when suspending, if uvd/vce was running. need to cancel delay work." has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

drm/amdgpu: when suspending, if uvd/vce was running. need to cancel delay work.

to the 4.4-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-when-suspending-if-uvd-vce-was-running.-need-to-cancel-delay-work.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Rex Zhu <[email protected]>
Date: Tue, 12 Apr 2016 19:25:52 +0800
Subject: drm/amdgpu: when suspending, if uvd/vce was running. need to cancel delay work.
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From: Rex Zhu <[email protected]>

commit 85cc88f02eb0ecf44493c1b2ebb6f206cd5fc321 upstream.

fix the issue that when resume back, uvd/vce
dpm was disabled and uvd/vce's performace
dropped.

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c |    2 ++
 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c |    1 +
 2 files changed, 3 insertions(+)

@@ -273,6 +273,8 @@ int amdgpu_uvd_resume(struct amdgpu_devi
 	memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset,
 		(adev->uvd.fw->size) - offset);
 
+	cancel_delayed_work_sync(&adev->uvd.idle_work);
+
 	size = amdgpu_bo_size(adev->uvd.vcpu_bo);
 	size -= le32_to_cpu(hdr->ucode_size_bytes);
 	ptr = adev->uvd.cpu_addr;

@@ -220,6 +220,7 @@ int amdgpu_vce_suspend(struct amdgpu_dev
 	if (i == AMDGPU_MAX_VCE_HANDLES)
 		return 0;
 
+	cancel_delayed_work_sync(&adev->vce.idle_work);
 	/* TODO: suspending running encoding sessions isn't supported */
 	return -EINVAL;
 }

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/drm-amdgpu-when-suspending-if-uvd-vce-was-running.-need-to-cancel-delay-work.patch