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dma-buf: add more reservation object locking wrappers

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Complete the abstraction of the ww_mutex inside the reservation object.

This allows us to add more handling and debugging to the reservation
object in the future.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/320761/
This commit is contained in:
Christian König
2019-07-31 09:41:50 +02:00
parent 05103ea9a3
commit 0dbd555a01
16 changed files with 100 additions and 40 deletions
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4
drivers/gpu/drm/nouveau/nouveau_prime.c
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@@ -68,10 +68,10 @@ struct drm_gem_object *nouveau_gem_prime_import_sg_table(struct drm_device *dev,
flags = TTM_PL_FLAG_TT;
ww_mutex_lock(&robj->lock, NULL);
reservation_object_lock(robj, NULL);
ret = nouveau_bo_new(&drm->client, attach->dmabuf->size, 0, flags, 0, 0,
sg, robj, &nvbo);
ww_mutex_unlock(&robj->lock);
reservation_object_unlock(robj);
if (ret)
return ERR_PTR(ret);