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Followup to: <200501180946.47026.jbarnes@engr.sgi.com> By author: Jesse Barnes <jbarnes@engr.sgi.com> In newsgroup: linux.dev.kernel > > On Monday, January 17, 2005 7:43 pm, Jon Smirl wrote: > > Attached is a patch to control VGA bus routing and the active VGA > > device. It works by adding sysfs attributes to bridge and VGA devices. > > The bridge attribute is read only and indicates if the bridge is > > routing VGA. The attribute on the device has four values: > > How is it supposed to work? Is VGA routing determined by the chipset? Is it > separate from other legacy I/O and memory addresses? > Yes, there are special control bits in any PCI bridge header for the VGA ports. -hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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