| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.12 243/384] drm/radeon/ttm: Fix memory leak userptr pages | Date | Mon, 10 May 2021 12:20:32 +0200 |
| |
From: Daniel Gomez <daniel@qtec.com>
[ Upstream commit 5aeaa43e0ef1006320c077cbc49f4a8229ca3460 ]
If userptr pages have been pinned but not bounded, they remain uncleared.
Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Daniel Gomez <daniel@qtec.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpu/drm/radeon/radeon_ttm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 78893bea85ae..c0258d213a72 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -485,13 +485,14 @@ static void radeon_ttm_backend_unbind(struct ttm_bo_device *bdev, struct ttm_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; } -- 2.30.2
|