[PATCH] drm/amdgpu: Fix unaligned memory copies

[Kuehling, Felix]

When starting a new mm_node, the page_offset becomes 0.

Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 37d9a3b09946..d0f6c23ec7cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -386,6 +386,7 @@ 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);
@@ -395,6 +396,7 @@ 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);
-- 
2.17.1