diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2019-07-13 08:35:37 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-16 21:49:36 +0200 |
| commit | 9288b874c5006a22d1fbff303b812cb03241cdfb (patch) | |
| tree | 4f140ddbbd4235eb827c865afc3876744e918d35 /drivers/gpu | |
| parent | drm/amdgpu: replace simple_strtol() by kstrtou32() (diff) | |
| download | linux-9288b874c5006a22d1fbff303b812cb03241cdfb.tar.xz linux-9288b874c5006a22d1fbff303b812cb03241cdfb.zip | |
drm/amdgpu: Fix unaligned memory copies
When starting a new mm_node, the page_offset becomes 0.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 8462934d23ea..9892f13bcbc0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -391,6 +391,7 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev, src_node_start = amdgpu_mm_node_addr(src->bo, ++src_mm, src->mem); src_node_size = (src_mm->size << PAGE_SHIFT); + src_page_offset = 0; } else { src_node_start += cur_size; src_page_offset = src_node_start & (PAGE_SIZE - 1); @@ -400,6 +401,7 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev, dst_node_start = amdgpu_mm_node_addr(dst->bo, ++dst_mm, dst->mem); dst_node_size = (dst_mm->size << PAGE_SHIFT); + dst_page_offset = 0; } else { dst_node_start += cur_size; dst_page_offset = dst_node_start & (PAGE_SIZE - 1); |