[3.11.y.z extended stable] Patch "drm/radeon: fix UVD 256MB check" has been added to staging queue

[Luis Henriques]

This is a note to let you know that I have just added a patch titled

    drm/radeon: fix UVD 256MB check

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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>From 7f0e085e0bf075bcdc4fe2f61a56c76a4ec286af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig at amd.com>
Date: Fri, 20 Dec 2013 17:48:54 +0100
Subject: drm/radeon: fix UVD 256MB check
MIME-Version: 1.0
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commit bae651dbd7ade3c5d6518f89599ae680a2fe2b85 upstream.

Otherwise the kernel might reject our decoding requests.

Signed-off-by: Christian König <christian.koenig at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/gpu/drm/radeon/radeon_uvd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 1147caa..26b107d 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -465,7 +465,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
 		return -EINVAL;
 	}

-	if ((start >> 28) != (end >> 28)) {
+	if ((start >> 28) != ((end - 1) >> 28)) {
 		DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
 			  start, end);
 		return -EINVAL;
--
1.8.3.2