drm/amdgpu: fix amdgpu_move_blit on 32bit systems
authorChristian König <christian.koenig@amd.com>
Wed, 17 Aug 2016 07:45:25 +0000 (09:45 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 28 Sep 2016 20:16:23 +0000 (16:16 -0400)
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>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

index e30d3fd..9660026 100644 (file)
@@ -272,8 +272,8 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
 
        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_TT: