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if we're going to do a real match (we are), ahve to special-case console

This commit is contained in:
cgd 1996-11-27 01:20:26 +00:00
parent 97fdc79a5e
commit 366a586e85
1 changed files with 12 additions and 4 deletions
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16
sys/arch/alpha/pci/vga_pci.c
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@ -1,4 +1,4 @@
/* $NetBSD: vga_pci.c,v 1.2 1996/11/23 06:06:47 cgd Exp $ */
/* $NetBSD: vga_pci.c,v 1.3 1996/11/27 01:20:26 cgd Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
@ -72,6 +72,7 @@ vga_pci_match(parent, match, aux)
/*
* If it's prehistoric/vga or display/vga, we might match.
* For the console device, this is jut a sanity check.
*/
if (PCI_CLASS(pa->pa_class) == PCI_CLASS_PREHISTORIC &&
PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_PREHISTORIC_VGA)
@ -80,13 +81,20 @@ vga_pci_match(parent, match, aux)
PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_DISPLAY_VGA)
potential = 1;
if (!potential)
return (0);
/* If it's the console, we have a winner! */
if (pa->pa_tag == vga_pci_console_tag)
return (1);
/*
* If we might match, make sure that the card actually looks OK.
*/
if (potential && vga_common_probe(pa->pa_iot, pa->pa_memt) == 0)
potential = 0;
if (!vga_common_probe(pa->pa_iot, pa->pa_memt))
return (0);
return (potential);
return (1);
}
void