Re: [XFree86] vgaHWLock(), vgaHWUnlock()

2003-02-25 Thread Dr Andrew C Aitchison
On Mon, 24 Feb 2003, Marc Aurele La France wrote: On 24 Feb 2003, Nat Ersoz wrote: While tracking down a bug, I encoutered these functions in: programs/Xserver/hw/xfree86/vgahw/vgaHW.c: void vgaHWLock(vgaHWPtr hwp) { /* Protect CRTC[0-7] */ hwp-writeCrtc(hwp, 0x11,

Re: [XFree86] vgaHWLock(), vgaHWUnlock()

2003-02-25 Thread Mark Vojkovich
On Tue, 25 Feb 2003, David Dawes wrote: On Mon, Feb 24, 2003 at 02:30:25PM -0700, Marc Aurele La France wrote: On 24 Feb 2003, Nat Ersoz wrote: While tracking down a bug, I encoutered these functions in: programs/Xserver/hw/xfree86/vgahw/vgaHW.c: void vgaHWLock(vgaHWPtr hwp) {

Re: [XFree86] vgaHWLock(), vgaHWUnlock()

2003-02-25 Thread Marc Aurele La France
On Tue, 25 Feb 2003, Mark Vojkovich wrote: While tracking down a bug, I encoutered these functions in: programs/Xserver/hw/xfree86/vgahw/vgaHW.c: void vgaHWLock(vgaHWPtr hwp) { /* Protect CRTC[0-7] */ hwp-writeCrtc(hwp, 0x11, hwp-readCrtc(hwp, 0x11) ~0x80); }

[XFree86] vgaHWLock(), vgaHWUnlock()

2003-02-24 Thread Nat Ersoz
While tracking down a bug, I encoutered these functions in: programs/Xserver/hw/xfree86/vgahw/vgaHW.c: void vgaHWLock(vgaHWPtr hwp) { /* Protect CRTC[0-7] */ hwp-writeCrtc(hwp, 0x11, hwp-readCrtc(hwp, 0x11) ~0x80); } void vgaHWUnlock(vgaHWPtr hwp) { /* Unprotect CRTC[0-7] */

Re: [XFree86] vgaHWLock(), vgaHWUnlock()

2003-02-24 Thread Marc Aurele La France
On 24 Feb 2003, Nat Ersoz wrote: While tracking down a bug, I encoutered these functions in: programs/Xserver/hw/xfree86/vgahw/vgaHW.c: void vgaHWLock(vgaHWPtr hwp) { /* Protect CRTC[0-7] */ hwp-writeCrtc(hwp, 0x11, hwp-readCrtc(hwp, 0x11) ~0x80); } void vgaHWUnlock(vgaHWPtr