From: Maarten Maathuis <madman2003@gmail.com>
Date: Mon, 14 Sep 2009 18:21:56 +0000 (+0200)
Subject: nv50: avoid excessive FIRE_RING
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=26860a6e2f2a30072594d4f68fbf7db6356bb674;p=mesa.git

nv50: avoid excessive FIRE_RING

- And reduce RING_SPACE to 2, instead of 3.
---

diff --git a/src/gallium/drivers/nv50/nv50_context.c b/src/gallium/drivers/nv50/nv50_context.c
index 935de8af521..fca078b174a 100644
--- a/src/gallium/drivers/nv50/nv50_context.c
+++ b/src/gallium/drivers/nv50/nv50_context.c
@@ -37,11 +37,12 @@ nv50_flush(struct pipe_context *pipe, unsigned flags,
 
 	/* We need this in the ddx for reliable composite, not sure what we're
 	 * actually flushing. We generate all our own flushes with flags = 0. */
-	WAIT_RING(chan, 3);
+	WAIT_RING(chan, 2);
 	BEGIN_RING(chan, eng2d, 0x0110, 1);
 	OUT_RING  (chan, 0);
 
-	FIRE_RING(chan);
+	if (flags & PIPE_FLUSH_FRAME)
+		FIRE_RING(chan);
 }
 
 static void