Patch "drm/amdgpu: fix amdgpu_move_blit on 32bit systems" has been added to the 4.4-stable tree

Patch "drm/amdgpu: fix amdgpu_move_blit on 32bit systems" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm/amdgpu: fix amdgpu_move_blit on 32bit systems

to the 4.4-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-fix-amdgpu_move_blit-on-32bit-systems.patch
and it can be found in the queue-4.4 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 815d27a46f3119f74fe01fe10bf683aa5bc55597 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 17 Aug 2016 09:45:25 +0200
Subject: drm/amdgpu: fix amdgpu_move_blit on 32bit systems
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Christian König <christian.koenig@amd.com>

commit 815d27a46f3119f74fe01fe10bf683aa5bc55597 upstream.

This bug seems to be present for a very long time.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -233,8 +233,8 @@ static int amdgpu_move_blit(struct ttm_b
 
 	adev = amdgpu_get_adev(bo->bdev);
 	ring = adev->mman.buffer_funcs_ring;
-	old_start = old_mem->start << PAGE_SHIFT;
-	new_start = new_mem->start << PAGE_SHIFT;
+	old_start = (u64)old_mem->start << PAGE_SHIFT;
+	new_start = (u64)new_mem->start << PAGE_SHIFT;
 
 	switch (old_mem->mem_type) {
 	case TTM_PL_VRAM:


Patches currently in stable-queue which might be from christian.koenig@amd.com are

queue-4.4/drm-amdgpu-change-gart-offset-to-64-bit.patch
queue-4.4/drm-amdgpu-avoid-a-possible-array-overflow.patch
queue-4.4/drm-amdgpu-record-error-code-when-ring-test-failed.patch
queue-4.4/drm-amdgpu-skip-tv-cv-in-display-parsing.patch
queue-4.4/drm-amdgpu-fix-amdgpu_move_blit-on-32bit-systems.patch