drm/amdgpu: Fix unaligned memory copies (9288b874) · Commits · 戴 / test

When starting a new mm_node, the page_offset becomes 0. Signed-off-by:

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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);