From 17b11f71795abdce46f62a808f906857e525cea8 Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 21 Jun 2021 13:36:35 +0200 Subject: drm/nouveau: wait for moving fence after pinning v2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We actually need to wait for the moving fence after pinning the BO to make sure that the pin is completed. v2: grab the lock while waiting Signed-off-by: Christian König Reviewed-by: Daniel Vetter References: https://lore.kernel.org/dri-devel/20210621151758.2347474-1-daniel.vetter@ffwll.ch/ CC: stable@kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20210622114506.106349-1-christian.koenig@amd.com --- drivers/gpu/drm/nouveau/nouveau_prime.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) (limited to 'drivers/gpu') diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c index 347488685f74..60019d0532fc 100644 --- a/drivers/gpu/drm/nouveau/nouveau_prime.c +++ b/drivers/gpu/drm/nouveau/nouveau_prime.c @@ -93,7 +93,22 @@ int nouveau_gem_prime_pin(struct drm_gem_object *obj) if (ret) return -EINVAL; - return 0; + ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL); + if (ret) + goto error; + + if (nvbo->bo.moving) + ret = dma_fence_wait(nvbo->bo.moving, true); + + ttm_bo_unreserve(&nvbo->bo); + if (ret) + goto error; + + return ret; + +error: + nouveau_bo_unpin(nvbo); + return ret; } void nouveau_gem_prime_unpin(struct drm_gem_object *obj) -- cgit v1.2.3