This is a note to let you know that I've just added the patch titled
drm/radeon: fix UVD message buffer validation
to the 3.10-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:
drm-radeon-fix-uvd-message-buffer-validation.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 112a6d0c071808f6d48354fc8834a574e5dcefc0 Mon Sep 17 00:00:00 2001
From: Christian König <christian.koenig@xxxxxxx>
Date: Sun, 11 Aug 2013 21:27:56 +0200
Subject: drm/radeon: fix UVD message buffer validation
From: Christian König <christian.koenig@xxxxxxx>
commit 112a6d0c071808f6d48354fc8834a574e5dcefc0 upstream.
When the message buffer is currently moving block until it is idle again.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_uvd.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -359,6 +359,14 @@ static int radeon_uvd_cs_msg(struct rade
return -EINVAL;
}
+ if (bo->tbo.sync_obj) {
+ r = radeon_fence_wait(bo->tbo.sync_obj, false);
+ if (r) {
+ DRM_ERROR("Failed waiting for UVD message (%d)!\n", r);
+ return r;
+ }
+ }
+
r = radeon_bo_kmap(bo, &ptr);
if (r)
return r;
Patches currently in stable-queue which might be from christian.koenig@xxxxxxx are
queue-3.10/drm-radeon-fix-uvd-message-buffer-validation.patch
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