Commit 10ebcd95 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: use new cursor in amdgpu_ttm_io_mem_pfn 



Separate the drm_mm_node walking from the actual handling.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Acked-by: default avatarOak Zeng <Oak.Zeng@amd.com>
Tested-by: default avatarNirmoy Das <nirmoy.das@amd.com>
Reviewed-by: default avatarArunpravin <Arunpravin.PaneerSelvam@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 596ee296

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

+3 −5
Original line number Diff line number Diff line
@@ -631,12 +631,10 @@ static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo, 
					   unsigned long page_offset)

{

	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);

	uint64_t offset = (page_offset << PAGE_SHIFT);

	struct drm_mm_node *mm;

	struct amdgpu_res_cursor cursor;



	mm = amdgpu_find_mm_node(&bo->mem, &offset);

	offset += adev->gmc.aper_base;

	return mm->start + (offset >> PAGE_SHIFT);

	amdgpu_res_first(&bo->mem, (u64)page_offset << PAGE_SHIFT, 0, &cursor);

	return (adev->gmc.aper_base + cursor.start) >> PAGE_SHIFT;

}



/**