diff options
| author | Christian König <christian.koenig@amd.com> | 2021-06-21 13:36:35 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2021-06-22 15:29:03 +0200 |
| commit | 17b11f71795abdce46f62a808f906857e525cea8 (patch) | |
| tree | a149a8332643a93cb5d2fb43eb8b7096d5376615 /drivers | |
| parent | f54b3ca7ea1e5e02f481cf4ca54568e57bd66086 (diff) | |
| download | linux-17b11f71795abdce46f62a808f906857e525cea8.tar.bz2 | |
drm/nouveau: wait for moving fence after pinning v2
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 <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_prime.c | 17 |
1 files changed, 16 insertions, 1 deletions
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) |