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drm/amdgpu: use new cursor in amdgpu_ttm_io_mem_pfn

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Separate the drm_mm_node walking from the actual handling.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Oak Zeng <Oak.Zeng@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Arunpravin <Arunpravin.PaneerSelvam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2021-02-17 13:50:49 +01:00
committed by Alex Deucher
parent 596ee29684
commit 10ebcd953d
1 changed files with 3 additions and 5 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@@ -631,12 +631,10 @@ static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
unsigned long page_offset) unsigned long page_offset)
{ {
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
uint64_t offset = (page_offset << PAGE_SHIFT); struct amdgpu_res_cursor cursor;
struct drm_mm_node *mm;
mm = amdgpu_find_mm_node(&bo->mem, &offset); amdgpu_res_first(&bo->mem, (u64)page_offset << PAGE_SHIFT, 0, &cursor);
offset += adev->gmc.aper_base; return (adev->gmc.aper_base + cursor.start) >> PAGE_SHIFT;
return mm->start + (offset >> PAGE_SHIFT);
} }
/** /**