Commit 5aeaa43e authored by Daniel Gomez's avatar Daniel Gomez Committed by Alex Deucher
Browse files

drm/radeon/ttm: Fix memory leak userptr pages 



If userptr pages have been pinned but not bounded,
they remain uncleared.

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarDaniel Gomez <daniel@qtec.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 0f6f9dd4

drivers/gpu/drm/radeon/radeon_ttm.c

+3 −2
Original line number Diff line number Diff line
@@ -481,13 +481,14 @@ static void radeon_ttm_backend_unbind(struct ttm_device *bdev, struct ttm_tt *tt 
	struct radeon_ttm_tt *gtt = (void *)ttm;

	struct radeon_device *rdev = radeon_get_rdev(bdev);



	if (gtt->userptr)

		radeon_ttm_tt_unpin_userptr(bdev, ttm);



	if (!gtt->bound)

		return;



	radeon_gart_unbind(rdev, gtt->offset, ttm->num_pages);



	if (gtt->userptr)

		radeon_ttm_tt_unpin_userptr(bdev, ttm);

	gtt->bound = false;

}