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[src/trunk]: src/sys/dev/pci contrary to the manual the right-to-left flag al...
details: https://anonhg.NetBSD.org/src/rev/fe3ba8c2b86e
branches: trunk
changeset: 768994:fe3ba8c2b86e
user: macallan <macallan%NetBSD.org@localhost>
date: Tue Aug 30 02:53:01 2011 +0000
description:
contrary to the manual the right-to-left flag also causes the blitter to
work bottom-to-top
Now all copy*() methods should work properly in all directions.
diffstat:
sys/dev/pci/voyagerfb.c | 13 ++++++++++---
1 files changed, 10 insertions(+), 3 deletions(-)
diffs (36 lines):
diff -r d87751b56a24 -r fe3ba8c2b86e sys/dev/pci/voyagerfb.c
--- a/sys/dev/pci/voyagerfb.c Tue Aug 30 01:21:03 2011 +0000
+++ b/sys/dev/pci/voyagerfb.c Tue Aug 30 02:53:01 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: voyagerfb.c,v 1.8 2011/08/30 01:21:03 macallan Exp $ */
+/* $NetBSD: voyagerfb.c,v 1.9 2011/08/30 02:53:01 macallan Exp $ */
/*
* Copyright (c) 2009 Michael Lorenz
@@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: voyagerfb.c,v 1.8 2011/08/30 01:21:03 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: voyagerfb.c,v 1.9 2011/08/30 02:53:01 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -601,9 +601,16 @@
if (xd <= xs) {
/* left to right */
} else {
+ /*
+ * According to the manual this flag reverses only the blitter's
+ * X direction. At least on my Gdium it also reverses the Y
+ * direction
+ */
cmd |= SM502_CTRL_R_TO_L;
- xs += he - 1;
+ xs += wi - 1;
xd += wi - 1;
+ ys += he - 1;
+ yd += he - 1;
}
bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
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