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path: root/drivers/gpu/drm/nouveau/nouveau_fence.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_fence.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_fence.c28
1 files changed, 5 insertions, 23 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
index 5057d976fa57..ca762ea55413 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
@@ -62,7 +62,7 @@ nouveau_fence_signal(struct nouveau_fence *fence)
if (test_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags)) {
struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
- if (atomic_dec_and_test(&fctx->notify_ref))
+ if (!--fctx->notify_ref)
drop = 1;
}
@@ -103,7 +103,6 @@ nouveau_fence_context_kill(struct nouveau_fence_chan *fctx, int error)
void
nouveau_fence_context_del(struct nouveau_fence_chan *fctx)
{
- cancel_work_sync(&fctx->allow_block_work);
nouveau_fence_context_kill(fctx, 0);
nvif_event_dtor(&fctx->event);
fctx->dead = 1;
@@ -168,18 +167,6 @@ nouveau_fence_wait_uevent_handler(struct nvif_event *event, void *repv, u32 repc
return ret;
}
-static void
-nouveau_fence_work_allow_block(struct work_struct *work)
-{
- struct nouveau_fence_chan *fctx = container_of(work, struct nouveau_fence_chan,
- allow_block_work);
-
- if (atomic_read(&fctx->notify_ref) == 0)
- nvif_event_block(&fctx->event);
- else
- nvif_event_allow(&fctx->event);
-}
-
void
nouveau_fence_context_new(struct nouveau_channel *chan, struct nouveau_fence_chan *fctx)
{
@@ -191,7 +178,6 @@ nouveau_fence_context_new(struct nouveau_channel *chan, struct nouveau_fence_cha
} args;
int ret;
- INIT_WORK(&fctx->allow_block_work, nouveau_fence_work_allow_block);
INIT_LIST_HEAD(&fctx->flip);
INIT_LIST_HEAD(&fctx->pending);
spin_lock_init(&fctx->lock);
@@ -535,19 +521,15 @@ static bool nouveau_fence_enable_signaling(struct dma_fence *f)
struct nouveau_fence *fence = from_fence(f);
struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
bool ret;
- bool do_work;
- if (atomic_inc_return(&fctx->notify_ref) == 0)
- do_work = true;
+ if (!fctx->notify_ref++)
+ nvif_event_allow(&fctx->event);
ret = nouveau_fence_no_signaling(f);
if (ret)
set_bit(DMA_FENCE_FLAG_USER_BITS, &fence->base.flags);
- else if (atomic_dec_and_test(&fctx->notify_ref))
- do_work = true;
-
- if (do_work)
- schedule_work(&fctx->allow_block_work);
+ else if (!--fctx->notify_ref)
+ nvif_event_block(&fctx->event);
return ret;
}