To make size is 4 byte aligned. Use &~0x3ULL instead of &3ULL. Signed-off-by: xinhui pan <xinhui.pan@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 6d5cf0525325..41a4c456961c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1503,7 +1503,7 @@ static int amdgpu_ttm_access_memory(struct ttm_buffer_object *bo, memcpy(buf, &value, bytes); } } else { - bytes = cursor.size & 0x3ull; + bytes = cursor.size & ~0x3ULL; amdgpu_device_vram_access(adev, cursor.start, (uint32_t *)buf, bytes, write); -- 2.25.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx