drm/radeon: fix radeon_move_blit on 32bit systems

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

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 0c00e192c845..c2e0a1ccdfbc 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -263,8 +263,8 @@ static int radeon_move_blit(struct ttm_buffer_object *bo,
 
         rdev = radeon_get_rdev(bo->bdev);
         ridx = radeon_copy_ring_index(rdev);
-        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: