Author: kib
Date: Tue Nov 11 12:52:45 2014
New Revision: 274378
URL: https://svnweb.freebsd.org/changeset/base/274378
Log:
Based on some BIOS configuration (GGC register in host bridge, bit 1),
IGP may declare subclass as either VGA-compatible, or non-VGA. The
difference is that in the later case, IGP does not claim VGA cycles.
Other than that, the device functions normally, and agp_i810 should
attach to it.
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/sys/dev/agp/agp_i810.c
Modified: head/sys/dev/agp/agp_i810.c
==============================================================================
--- head/sys/dev/agp/agp_i810.c Tue Nov 11 12:37:13 2014 (r274377)
+++ head/sys/dev/agp/agp_i810.c Tue Nov 11 12:52:45 2014 (r274378)
@@ -749,7 +749,8 @@ agp_i810_match(device_t dev)
int i, devid;
if (pci_get_class(dev) != PCIC_DISPLAY
- || pci_get_subclass(dev) != PCIS_DISPLAY_VGA)
+ || (pci_get_subclass(dev) != PCIS_DISPLAY_VGA &&
+ pci_get_subclass(dev) != PCIS_DISPLAY_OTHER))
return (NULL);
devid = pci_get_devid(dev);
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