From 3a6b9a7830c3df14ffcfbbf57c82ea08bd59ef04 Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Fri, 25 Sep 2015 19:05:14 -0400 Subject: [PATCH] nouveau: delay deleting buffer with unflushed fence MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit If there is an unflushed fence on the bo, then the resource may still be used in commands built up in the local pushbuf. Flushing can cause all sorts of unwanted effects, so just free the bo when the relevant fence is hit. Signed-off-by: Ilia Mirkin Cc: mesa-stable@lists.freedesktop.org Tested-by: Marcin Ślusarz --- src/gallium/drivers/nouveau/nouveau_buffer.c | 7 ++++++- src/gallium/drivers/nouveau/nv50/nv50_miptree.c | 5 ++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/src/gallium/drivers/nouveau/nouveau_buffer.c b/src/gallium/drivers/nouveau/nouveau_buffer.c index 4937dae..310e9db 100644 --- a/src/gallium/drivers/nouveau/nouveau_buffer.c +++ b/src/gallium/drivers/nouveau/nouveau_buffer.c @@ -80,7 +80,12 @@ release_allocation(struct nouveau_mm_allocation **mm, inline void nouveau_buffer_release_gpu_storage(struct nv04_resource *buf) { - nouveau_bo_ref(NULL, &buf->bo); + if (buf->fence && buf->fence->state < NOUVEAU_FENCE_STATE_FLUSHED) { + nouveau_fence_work(buf->fence, nouveau_fence_unref_bo, buf->bo); + buf->bo = NULL; + } else { + nouveau_bo_ref(NULL, &buf->bo); + } if (buf->mm) release_allocation(&buf->mm, buf->fence); diff --git a/src/gallium/drivers/nouveau/nv50/nv50_miptree.c b/src/gallium/drivers/nouveau/nv50/nv50_miptree.c index 92d49e4..812d10c 100644 --- a/src/gallium/drivers/nouveau/nv50/nv50_miptree.c +++ b/src/gallium/drivers/nouveau/nv50/nv50_miptree.c @@ -163,7 +163,10 @@ nv50_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt) { struct nv50_miptree *mt = nv50_miptree(pt); - nouveau_bo_ref(NULL, &mt->base.bo); + if (mt->base.fence && mt->base.fence->state < NOUVEAU_FENCE_STATE_FLUSHED) + nouveau_fence_work(mt->base.fence, nouveau_fence_unref_bo, mt->base.bo); + else + nouveau_bo_ref(NULL, &mt->base.bo); nouveau_fence_ref(NULL, &mt->base.fence); nouveau_fence_ref(NULL, &mt->base.fence_wr); -- 2.7.4