Module Name: src
Committed By: macallan
Date: Thu Jan 5 21:40:03 UTC 2012
Modified Files:
src/sys/dev/pci: radeonfb.c
Log Message:
turns out we can feed some radeons faster than they can process image uploads,
so make periodic stops to let the fifo drain a bit
now this works on my Blade 2500 with a 32MB XVR-100
To generate a diff of this commit:
cvs rdiff -u -r1.50 -r1.51 src/sys/dev/pci/radeonfb.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/pci/radeonfb.c
diff -u src/sys/dev/pci/radeonfb.c:1.50 src/sys/dev/pci/radeonfb.c:1.51
--- src/sys/dev/pci/radeonfb.c:1.50 Wed Jan 4 15:56:18 2012
+++ src/sys/dev/pci/radeonfb.c Thu Jan 5 21:40:03 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: radeonfb.c,v 1.50 2012/01/04 15:56:18 macallan Exp $ */
+/* $NetBSD: radeonfb.c,v 1.51 2012/01/05 21:40:03 macallan Exp $ */
/*-
* Copyright (c) 2006 Itronix Inc.
@@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.50 2012/01/04 15:56:18 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.51 2012/01/05 21:40:03 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -2556,8 +2556,10 @@ radeonfb_putchar_aa32(void *cookie, int
* could process them, especially when doing the alpha blending stuff
* along the way, so just make sure there's some room in the FIFO and
* then hammer away
+ * As it turns out we can, so make periodic stops to let the FIFO
+ * drain.
*/
- radeonfb_wait_fifo(sc, 10);
+ radeonfb_wait_fifo(sc, 20);
for (i = 0; i < ri->ri_fontscale; i++) {
aval = *data;
data++;
@@ -2573,6 +2575,8 @@ radeonfb_putchar_aa32(void *cookie, int
(g & 0xff00) |
(b & 0xff00) >> 8;
}
+ if (i & 16)
+ radeonfb_wait_fifo(sc, 20);
PUT32(sc, RADEON_HOST_DATA0, pixel);
}
}
