This is a note to let you know that I've just added the patch titled
drm/radeon: avoid UVD corruptions on AGP cards
to the 3.11-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-avoid-uvd-corruptions-on-agp-cards.patch
and it can be found in the queue-3.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 4f66c59922cbcda14c9e103e6c7f4ee616360d43 Mon Sep 17 00:00:00 2001
From: Christian König <christian.koenig@xxxxxxx>
Date: Sun, 15 Sep 2013 13:31:28 +0200
Subject: drm/radeon: avoid UVD corruptions on AGP cards
From: Christian König <christian.koenig@xxxxxxx>
commit 4f66c59922cbcda14c9e103e6c7f4ee616360d43 upstream.
Putting everything into VRAM seems to help.
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_cs.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -80,9 +80,11 @@ static int radeon_cs_parser_relocs(struc
p->relocs[i].lobj.bo = p->relocs[i].robj;
p->relocs[i].lobj.written = !!r->write_domain;
- /* the first reloc of an UVD job is the
- msg and that must be in VRAM */
- if (p->ring == R600_RING_TYPE_UVD_INDEX && i == 0) {
+ /* the first reloc of an UVD job is the msg and that must be in
+ VRAM, also but everything into VRAM on AGP cards to avoid
+ image corruptions */
+ if (p->ring == R600_RING_TYPE_UVD_INDEX &&
+ (i == 0 || p->rdev->flags & RADEON_IS_AGP)) {
/* TODO: is this still needed for NI+ ? */
p->relocs[i].lobj.domain =
RADEON_GEM_DOMAIN_VRAM;
Patches currently in stable-queue which might be from christian.koenig@xxxxxxx are
queue-3.11/drm-radeon-avoid-uvd-corruptions-on-agp-cards.patch
queue-3.11/drm-radeon-dpm-rs780-don-t-enable-sclk-scaling-if-not-required.patch
queue-3.11/drm-radeon-enable-uvd-interrupts-on-cik.patch
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