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authorMarcin Slusarz <marcin.slusarz@gmail.com>2012-04-23 00:31:48 +0200
committerBen Skeggs <bskeggs@redhat.com>2012-04-24 12:41:39 +1000
commitd954648b4872e6b40ec8768a14eee818bc7613a8 (patch)
tree9c2416e5ef2f9e09272190a3c86d113569f00fbb
parent73b9a2881c37990dee0afb9cb23a6a1e85339ede (diff)
nouveau: remove unnecessary EAGAIN loops
drmCommandWrite / drmCommandWriteRead already loop on EAGAIN. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--nouveau/nouveau.c8
-rw-r--r--nouveau/pushbuf.c7
2 files changed, 4 insertions, 11 deletions
diff --git a/nouveau/nouveau.c b/nouveau/nouveau.c
index 699b9b76..f0bc2c3f 100644
--- a/nouveau/nouveau.c
+++ b/nouveau/nouveau.c
@@ -461,12 +461,8 @@ nouveau_bo_wait(struct nouveau_bo *bo, uint32_t access,
if (access & NOUVEAU_BO_NOBLOCK)
req.flags |= NOUVEAU_GEM_CPU_PREP_NOWAIT;
- do {
- ret = drmCommandWrite(bo->device->fd,
- DRM_NOUVEAU_GEM_CPU_PREP,
- &req, sizeof(req));
- } while (ret == -EAGAIN);
-
+ ret = drmCommandWrite(bo->device->fd, DRM_NOUVEAU_GEM_CPU_PREP,
+ &req, sizeof(req));
if (ret == 0)
nvbo->access = 0;
return ret;
diff --git a/nouveau/pushbuf.c b/nouveau/pushbuf.c
index 103737e6..7b9dbaad 100644
--- a/nouveau/pushbuf.c
+++ b/nouveau/pushbuf.c
@@ -341,11 +341,8 @@ pushbuf_submit(struct nouveau_pushbuf *push, struct nouveau_object *chan)
pushbuf_dump(krec, krec_id++, fifo->channel);
#ifndef SIMULATE
- do {
- ret = drmCommandWriteRead(dev->fd,
- DRM_NOUVEAU_GEM_PUSHBUF,
- &req, sizeof(req));
- } while (ret == -EAGAIN);
+ ret = drmCommandWriteRead(dev->fd, DRM_NOUVEAU_GEM_PUSHBUF,
+ &req, sizeof(req));
nvpb->suffix0 = req.suffix0;
nvpb->suffix1 = req.suffix1;
dev->vram_limit = (req.vram_available * 80) / 100;