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drm/radeon: fix the crash in test functions 

radeon_copy_dma and radeon_copy_blit must be called with
a valid reservation object. Otherwise a crash will be provoked.
We borrow the object from vram BO.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=88464

Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ilija Hadzic 2015-01-30 00:38:44 -05:00 committed by Alex Deucher
parent 3f5e1b4f58
commit 92b712b739
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/radeon/radeon_test.c
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@ -119,11 +119,11 @@ static void radeon_do_test_moves(struct radeon_device *rdev, int flag)
if (ring == R600_RING_TYPE_DMA_INDEX)
fence = radeon_copy_dma(rdev, gtt_addr, vram_addr,
size / RADEON_GPU_PAGE_SIZE,
NULL);
vram_obj->tbo.resv);
else
fence = radeon_copy_blit(rdev, gtt_addr, vram_addr,
size / RADEON_GPU_PAGE_SIZE,
NULL);
vram_obj->tbo.resv);
if (IS_ERR(fence)) {
DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
r = PTR_ERR(fence);
@ -170,11 +170,11 @@ static void radeon_do_test_moves(struct radeon_device *rdev, int flag)
if (ring == R600_RING_TYPE_DMA_INDEX)
fence = radeon_copy_dma(rdev, vram_addr, gtt_addr,
size / RADEON_GPU_PAGE_SIZE,
NULL);
vram_obj->tbo.resv);
else
fence = radeon_copy_blit(rdev, vram_addr, gtt_addr,
size / RADEON_GPU_PAGE_SIZE,
NULL);
vram_obj->tbo.resv);
if (IS_ERR(fence)) {
DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
r = PTR_ERR(fence);