drm/radeon: fix radeon_move_blit on 32bit systems

commit 13f479b9df4e2bbf2d16e7e1b02f3f55f70e2455 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: Jiri Slaby <jslaby@suse.cz>

diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index f5931e5f44fd8d5012b1bb0b086bf8f8189adce4..03d5c3effd5ca48057e210cd7f581bb6b9bb0ca4 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -230,8 +230,8 @@ 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: