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: Willy Tarreau <w@1wt.eu>

diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index f7015592544f30c7c3bef3470fd143c2a1830ef1..6c92c20426d697b9d01bb434431f8d6a84f277a7 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -228,8 +228,8 @@ 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: