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drm/amdgpu: Use correct size when access vram

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To make size is 4 byte aligned. Use &~0x3ULL instead of &3ULL.

Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
xinhui pan 2021-03-22 08:48:54 +08:00 committed by Alex Deucher
parent 9113a0fb61
commit 639979887a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@ -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);