1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 7e993259c2e9..35d53a0d9ba6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -554,6 +554,7 @@ static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
         uint64_t offset = page_offset;
 
         page_offset = do_div(offset, size);
+        mm += offset;
         return (bo->mem.bus.base >> PAGE_SHIFT) + mm->start + page_offset;
 }