From: YuBiao Wang Date: Tue, 17 Aug 2021 09:36:33 +0000 (+0800) Subject: drm/amd/amdgpu:flush ttm delayed work before cancel_sync X-Git-Tag: microblaze-v5.16~33^2~10^2~5 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=691191a2f458e0176414cb5b3993b0c018cdc58c;p=linux-2.6-microblaze.git drm/amd/amdgpu:flush ttm delayed work before cancel_sync [Why] In some cases when we unload driver, warning call trace will show up in vram_mgr_fini which claims that LRU is not empty, caused by the ttm bo inside delay deleted queue. [How] We should flush delayed work to make sure the delay deleting is done. Signed-off-by: YuBiao Wang Reviewed-by: Andrey Grodzovsky Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 395779ee44d0..41cc00e489ac 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3826,8 +3826,10 @@ void amdgpu_device_fini_hw(struct amdgpu_device *adev) { dev_info(adev->dev, "amdgpu: finishing device.\n"); flush_delayed_work(&adev->delayed_init_work); - if (adev->mman.initialized) + if (adev->mman.initialized) { + flush_delayed_work(&adev->mman.bdev.wq); ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); + } adev->shutdown = true; /* make sure IB test finished before entering exclusive mode