diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2013-10-07 11:54:59 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2013-10-07 11:54:59 +0100 |
| commit | eda87254937509502efacabaa6029a584f67764e (patch) | |
| tree | 7708a716f9bc674c4811516047338416ac3c8c5c | |
| parent | 1c651848cc3f3baec8fa0bcfc68faebd3e58c069 (diff) | |
sna/gen7: Tweak flushing
We pre-emptively flush the render cache before reads as that seems to
improve performance. Now try not flushing if we don't subsequently need
to read from the render cache.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | src/sna/gen7_render.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/sna/gen7_render.c b/src/sna/gen7_render.c index 9fac7b0f..6d5c687f 100644 --- a/src/sna/gen7_render.c +++ b/src/sna/gen7_render.c @@ -1119,7 +1119,7 @@ gen7_emit_state(struct sna *sna, sna->render_state.gen7.emit_flush = false; need_stall = false; } - if (sna->render_state.gen7.emit_flush) { + if (sna->render_state.gen7.emit_flush && GEN7_READS_DST(op->u.gen7.flags)) { gen7_emit_pipe_flush(sna, need_stall); need_stall = false; } |