This is a note to let you know that I've just added the patch titled
drm/amdgpu: don't try to move pinned BOs
to the 4.14-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-don-t-try-to-move-pinned-bos.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Thu Feb 1 13:45:42 CET 2018
From: "Christian König" <christian.koenig@xxxxxxx>
Date: Fri, 24 Nov 2017 11:39:30 +0100
Subject: drm/amdgpu: don't try to move pinned BOs
From: "Christian König" <christian.koenig@xxxxxxx>
[ Upstream commit 6edc6910ba4cd6eab309263539c8f09b8ad772bf ]
Never try to move pinned BOs during CS.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Reviewed-by: Michel Dänzer <michel.daenzer@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -403,6 +403,10 @@ static bool amdgpu_cs_try_evict(struct a
if (candidate->robj == validated)
break;
+ /* We can't move pinned BOs here */
+ if (bo->pin_count)
+ continue;
+
other = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
/* Check if this BO is in one of the domains we need space for */
Patches currently in stable-queue which might be from christian.koenig@xxxxxxx are
queue-4.14/drm-amdgpu-don-t-try-to-move-pinned-bos.patch