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authorxinhui pan <xinhui.pan@amd.com>2021-03-22 08:48:54 +0800
committerAlex Deucher <alexander.deucher@amd.com>2021-04-09 16:39:49 -0400
commit639979887a11e9c2c5d7e3ce2a560ed16b68854a (patch)
tree61efc465178d42acf7ca9caeb4b453456457aa0d /drivers
parent9113a0fb614b3f42a8927d47198cf73854a3b016 (diff)
downloadlinux-639979887a11e9c2c5d7e3ce2a560ed16b68854a.tar.bz2
drm/amdgpu: Use correct size when access vram
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 8f981034d704..07e72d84e142 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);