drm/nouveau: Simplify tile region handling.

Instead of emptying the caches to avoid a race with the PFIFO puller,
go straight ahead and try to recover from it when it happens. Also,
kill pfifo->cache_flush and tile->lock, we don't need them anymore.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/drivers/gpu/drm/nouveau/nvc0_fifo.c b/drivers/gpu/drm/nouveau/nvc0_fifo.c
index d64375871979..890c2b95fbc1 100644
--- a/drivers/gpu/drm/nouveau/nvc0_fifo.c
+++ b/drivers/gpu/drm/nouveau/nvc0_fifo.c
@@ -43,12 +43,6 @@ nvc0_fifo_reassign(struct drm_device *dev, bool enable)
 }
 
 bool
-nvc0_fifo_cache_flush(struct drm_device *dev)
-{
-        return true;
-}
-
-bool
 nvc0_fifo_cache_pull(struct drm_device *dev, bool enable)
 {
         return false;