github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-26 08:02:27 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amdgpu: Fix unaligned memory copies

Browse Source 
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>
This commit is contained in:
Felix Kuehling 2019-07-13 02:35:37 -04:00 committed by Alex Deucher
parent 3bd532692d
commit 9288b874c5
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
View File

@ -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);