Patch "drm/amdgpu: don't try to move pinned BOs" has been added to the 4.9-stable tree

Patch "drm/amdgpu: don't try to move pinned BOs" has been added to the 4.9-stable tree

[gregkh]

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 4.9-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-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Thu Feb  1 14:00:34 CET 2018
From: "Christian K�nig" <christian.koenig@amd.com>
Date: Fri, 24 Nov 2017 11:39:30 +0100
Subject: drm/amdgpu: don't try to move pinned BOs

From: "Christian K�nig" <christian.koenig@amd.com>


[ Upstream commit 6edc6910ba4cd6eab309263539c8f09b8ad772bf ]

Never try to move pinned BOs during CS.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 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
@@ -416,6 +416,10 @@ static bool amdgpu_cs_try_evict(struct a
 		if (candidate == lobj)
 			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@amd.com are

queue-4.9/drm-amdgpu-don-t-try-to-move-pinned-bos.patch