Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

When disabling the hardware cursor, use the 'cursor disable' bit in the 

cursor start register. I think this only accidentally worked for the past
11 years because the start and end scanlines were both set to 0x10.

See also http://www.osdever.net/FreeVGA/vga/crtcreg.htm#0A
This commit is contained in:
jmcneill 2010-10-19 22:27:19 +00:00
parent a500a55cf2
commit 293d066925
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sys/dev/ic/pcdisplay_subr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pcdisplay_subr.c,v 1.34 2007/10/19 11:59:58 ad Exp $ */
/* $NetBSD: pcdisplay_subr.c,v 1.35 2010/10/19 22:27:19 jmcneill Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
@ -28,7 +28,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pcdisplay_subr.c,v 1.34 2007/10/19 11:59:58 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: pcdisplay_subr.c,v 1.35 2010/10/19 22:27:19 jmcneill Exp $");
#include "opt_wsmsgattrs.h" /* for WSDISPLAY_CUSTOM_OUTPUT */
@ -51,8 +51,9 @@ pcdisplay_cursor_init(struct pcdisplayscreen *scr, int existing)
bus_space_handle_t memh;
int off;
pcdisplay_6845_write(scr->hdl, curstart, 0x10);
pcdisplay_6845_write(scr->hdl, curend, 0x10);
/* Disable the hardware cursor */
pcdisplay_6845_write(scr->hdl, curstart, 0x20);
pcdisplay_6845_write(scr->hdl, curend, 0x00);
if (existing) {
/*