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| author |   kettenis <kettenis@openbsd.org> | 2009-06-05 04:33:19 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2009-06-05 04:33:19 +0000 |
| commit | 59d99acb597e70f7dde0033c3cf68e77be08e492 (patch) | |
| tree | 44729f79052a3d8088275a5383547c258f3afa5a | |
| parent | Dynamic buffer cache sizing. (diff) | |
| download | wireguard-openbsd-59d99acb597e70f7dde0033c3cf68e77be08e492.tar.xz wireguard-openbsd-59d99acb597e70f7dde0033c3cf68e77be08e492.zip | |
Save some state and restore it after we return from X, because the accelerated
X driver for this chip doesn't know how to clean up after itself.
| -rw-r--r-- | sys/arch/sparc64/dev/gfxp.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/sys/arch/sparc64/dev/gfxp.c b/sys/arch/sparc64/dev/gfxp.c index d3914aea0bb..1b9cf871cc0 100644 --- a/sys/arch/sparc64/dev/gfxp.c +++ b/sys/arch/sparc64/dev/gfxp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: gfxp.c,v 1.3 2009/06/04 00:13:21 kettenis Exp $ */ +/* $OpenBSD: gfxp.c,v 1.4 2009/06/05 04:33:19 kettenis Exp $ */ /* * Copyright (c) 2009 Mark Kettenis. @@ -67,6 +67,7 @@ #define PM2_RECT_ORIG 0x80d0 #define PM2_RECT_SIZE 0x80d8 +#define PM2_FB_READ_MODE 0x8a80 #define PM2_FB_BLOCK_COLOR 0x8ac8 #define PM2_FILTER_MODE 0x8c00 @@ -103,6 +104,9 @@ struct gfxp_softc { pcitag_t sc_pcitag; int sc_mode; + + /* Saved state to clean up after X11. */ + uint32_t sc_read_mode; }; int gfxp_ioctl(void *, u_long, caddr_t, int, struct proc *); @@ -139,6 +143,8 @@ void gfxp_erasecols(void *, int, int, int, long); void gfxp_copyrows(void *, int, int, int); void gfxp_eraserows(void *, int, int, long); +void gfxp_init(struct gfxp_softc *); +void gfxp_reinit(struct gfxp_softc *); int gfxp_wait(struct gfxp_softc *); int gfxp_wait_fifo(struct gfxp_softc *, int); void gfxp_copyrect(struct gfxp_softc *, int, int, int, int, int, int); @@ -216,6 +222,7 @@ gfxp_attach(struct device *parent, struct device *self, void *aux) fbwscons_init(&sc->sc_sunfb, 0, console); sc->sc_mode = WSDISPLAYIO_MODE_EMUL; + gfxp_init(sc); ri->ri_ops.copyrows = gfxp_copyrows; ri->ri_ops.copycols = gfxp_copycols; ri->ri_ops.eraserows = gfxp_eraserows; @@ -239,6 +246,8 @@ gfxp_ioctl(void *v, u_long cmd, caddr_t data, int flags, struct proc *p) break; case WSDISPLAYIO_SMODE: sc->sc_mode = *(u_int *)data; + if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) + gfxp_reinit(sc); break; case WSDISPLAYIO_GINFO: wdf = (void *)data; @@ -402,6 +411,20 @@ gfxp_eraserows(void *cookie, int row, int num, long attr) gfxp_fillrect(sc, x, y, w, num, ri->ri_devcmap[bg]); } +void +gfxp_init(struct gfxp_softc *sc) +{ + sc->sc_read_mode = bus_space_read_4(sc->sc_mmiot, sc->sc_mmioh, + PM2_FB_READ_MODE); +} + +void +gfxp_reinit(struct gfxp_softc *sc) +{ + bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh, + PM2_FB_READ_MODE, sc->sc_read_mode); +} + int gfxp_wait_fifo(struct gfxp_softc *sc, int n) { |