[src/trunk]: src/sys/dev/ic save quirks in softc, obey VGA_QUIRK_NOFASTSCROLL

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

details:   https://anonhg.NetBSD.org/src/rev/98714d9ade8b
branches:  trunk
changeset: 533742:98714d9ade8b
user:      drochner <drochner%NetBSD.org@localhost>
date:      Mon Jul 08 19:45:28 2002 +0000

description:
save quirks in softc, obey VGA_QUIRK_NOFASTSCROLL

diffstat:

 sys/dev/ic/vga.c |  14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)

diffs (54 lines):

diff -r 8ca3e5ae74fb -r 98714d9ade8b sys/dev/ic/vga.c
--- a/sys/dev/ic/vga.c  Mon Jul 08 19:43:23 2002 +0000
+++ b/sys/dev/ic/vga.c  Mon Jul 08 19:45:28 2002 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vga.c,v 1.62 2002/07/07 07:37:50 junyoung Exp $ */
+/* $NetBSD: vga.c,v 1.63 2002/07/08 19:45:28 drochner Exp $ */
 
 /*
  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
@@ -28,7 +28,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vga.c,v 1.62 2002/07/07 07:37:50 junyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vga.c,v 1.63 2002/07/08 19:45:28 drochner Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -486,7 +486,10 @@
        scr->pcs.type = type;
        scr->pcs.active = existing;
        scr->mindispoffset = 0;
-       scr->maxdispoffset = 0x8000 - type->nrows * type->ncols * 2;
+       if (vc->vc_quirks & VGA_QUIRK_NOFASTSCROLL)
+               scr->maxdispoffset = 0;
+       else
+               scr->maxdispoffset = 0x8000 - type->nrows * type->ncols * 2;
 
        if (existing) {
                vc->active = scr;
@@ -661,6 +664,7 @@
 
        vc->vc_type = type;
        vc->vc_funcs = vf;
+       vc->vc_quirks = quirks;
 
        sc->sc_vc = vc;
        vc->softc = sc;
@@ -699,11 +703,15 @@
         * console font, so save the builtin VGA font to another font slot.
         * The attach() code will take care later.
         */
+       vga_console_vc.vc_quirks |= VGA_QUIRK_ONEFONT; /* redundant */
        vga_copyfont01(&vga_console_vc.hdl);
        vga_console_vc.vc_nfontslots = 1;
 #else
        vga_console_vc.vc_nfontslots = 8;
 #endif
+       /* until we know better, assume "fast scrolling" does not work */
+       vga_console_vc.vc_quirks |= VGA_QUIRK_NOFASTSCROLL;
+
        vga_init_screen(&vga_console_vc, &vga_console_screen, scr, 1, &defattr);
 
        wsdisplay_cnattach(scr, &vga_console_screen,