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Clear the screen during initialization so that the first messages are not 

printed over "unknown garbage" (e.g. the Mac OS desktop).  Agreed with
macallan@.
This commit is contained in:
jmmv 2007-08-30 15:40:41 +00:00
parent 088cadb7c3
commit d2525db73d
1 changed files with 9 additions and 2 deletions
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11
sys/dev/wsfb/genfb.c
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@ -1,4 +1,4 @@
/* $NetBSD: genfb.c,v 1.9 2007/08/30 13:36:27 jmmv Exp $ */
/* $NetBSD: genfb.c,v 1.10 2007/08/30 15:40:41 jmmv Exp $ */
/*-
* Copyright (c) 2007 Michael Lorenz
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: genfb.c,v 1.9 2007/08/30 13:36:27 jmmv Exp $");
__KERNEL_RCSID(0, "$NetBSD: genfb.c,v 1.10 2007/08/30 15:40:41 jmmv Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -150,6 +150,9 @@ genfb_attach(struct genfb_softc *sc, struct genfb_ops *ops)
&genfb_accessops);
sc->vd.init_screen = genfb_init_screen;
/* Do not print anything between this point and the screen
* clear operation below. Otherwise it will be lost. */
ri = &sc->sc_console_screen.scr_ri;
if (console) {
@ -168,8 +171,12 @@ genfb_attach(struct genfb_softc *sc, struct genfb_ops *ops)
* since we're not the console we can postpone the rest
* until someone actually allocates a screen for us
*/
(*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
}
/* Clear the whole screen to bring it to a known state. */
(*ri->ri_ops.eraserows)(ri, 0, ri->ri_rows, defattr);
j = 0;
for (i = 0; i < (1 << sc->sc_depth); i++) {