Am 22.03.21 um 01:53 schrieb xinhui pan:
To make size is 4 byte aligned. Use &~0x3ULL instead of &3ULL.
Signed-off-by: xinhui pan <xinhui.pan@xxxxxxx>
Good catch. Patch is Reviewed-by: Christian König <christian.koenig@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);
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