[src/trunk]: src/sys/dev/wsfb Provide a wsdisplay_accessops.pollc

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ac104afb0cd7
branches:  trunk
changeset: 792974:ac104afb0cd7
user:      skrll <skrll%NetBSD.org@localhost>
date:      Wed Jan 22 18:47:11 2014 +0000

description:
Provide a wsdisplay_accessops.pollc

This makes sure that the screen gets painted properly during early boot
input (e.g. boot -a) on the Raspberry PI.

diffstat:

 sys/dev/wsfb/genfb.c |  22 ++++++++++++++++++++--
 1 files changed, 20 insertions(+), 2 deletions(-)

diffs (57 lines):

diff -r 60196d09f818 -r ac104afb0cd7 sys/dev/wsfb/genfb.c
--- a/sys/dev/wsfb/genfb.c      Wed Jan 22 18:47:03 2014 +0000
+++ b/sys/dev/wsfb/genfb.c      Wed Jan 22 18:47:11 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: genfb.c,v 1.51 2013/10/09 17:20:54 macallan Exp $ */
+/*     $NetBSD: genfb.c,v 1.52 2014/01/22 18:47:11 skrll Exp $ */
 
 /*-
  * Copyright (c) 2007 Michael Lorenz
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: genfb.c,v 1.51 2013/10/09 17:20:54 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: genfb.c,v 1.52 2014/01/22 18:47:11 skrll Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -68,6 +68,8 @@
 
 static int     genfb_ioctl(void *, void *, u_long, void *, int, struct lwp *);
 static paddr_t genfb_mmap(void *, void *, off_t, int);
+static void    genfb_pollc(void *, int);
+
 static void    genfb_init_screen(void *, struct vcons_screen *, int, long *);
 
 static int     genfb_putcmap(struct genfb_softc *, struct wsdisplay_cmap *);
@@ -234,6 +236,7 @@
 
        sc->sc_accessops.ioctl = genfb_ioctl;
        sc->sc_accessops.mmap = genfb_mmap;
+       sc->sc_accessops.pollc = genfb_pollc;
 
 #ifdef GENFB_SHADOWFB
        sc->sc_shadowfb = kmem_alloc(sc->sc_fbsize, KM_SLEEP);
@@ -485,6 +488,21 @@
 }
 
 static void
+genfb_pollc(void *v, int on)
+{
+       struct vcons_data *vd = v;
+       struct genfb_softc *sc = vd->cookie;
+
+       if (sc == NULL)
+               return;
+
+       if (on)
+               genfb_enable_polling(sc->sc_dev);
+       else
+               genfb_disable_polling(sc->sc_dev);
+}
+
+static void
 genfb_init_screen(void *cookie, struct vcons_screen *scr,
     int existing, long *defattr)
 {