Module Name: src
Committed By: tnn
Date: Sun Aug 8 12:17:37 UTC 2021
Modified Files:
src/sys/dev/pci: radeonfb.c
Log Message:
radeonfb: use BUS_SPACE_MAP_PREFETCHABLE for the framebuffer mapping
Makes the driver work on cia(4) based alpha machines, which can only
do dense access to linear mappings with prefetch. ok macallan@
To generate a diff of this commit:
cvs rdiff -u -r1.116 -r1.117 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:1.116 src/sys/dev/pci/radeonfb.c:1.117
--- src/sys/dev/pci/radeonfb.c:1.116 Sat Aug 7 16:19:14 2021
+++ src/sys/dev/pci/radeonfb.c Sun Aug 8 12:17:37 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: radeonfb.c,v 1.116 2021/08/07 16:19:14 thorpej Exp $ */
+/* $NetBSD: radeonfb.c,v 1.117 2021/08/08 12:17:37 tnn Exp $ */
/*-
* Copyright (c) 2006 Itronix Inc.
@@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.116 2021/08/07 16:19:14 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.117 2021/08/08 12:17:37 tnn Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -799,7 +799,8 @@ radeonfb_attach(device_t parent, device_
sc->sc_memt = pa->pa_memt;
if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
- BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
+ BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE,
+ &sc->sc_memh) != 0) {
sc->sc_memsz = 0;
aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
goto error;
@@ -1098,7 +1099,8 @@ radeonfb_map(struct radeonfb_softc *sc)
return;
}
if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
- BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
+ BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE,
+ &sc->sc_memh) != 0) {
sc->sc_memsz = 0;
aprint_error_dev(sc->sc_dev,
"Unable to map frame buffer\n");
