drm/amdgpu: fix amdgpu_move_blit on 32bit systems

commit 815d27a46f3119f74fe01fe10bf683aa5bc55597 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 1cbb16e153079e7463a0ac070d1a19461deb588e..475c38fe92453d36899c75c01dc09a461e5f7dca 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -233,8 +233,8 @@ 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_VRAM: