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");