On Fri, Jun 29, 2012 at 10:43:59AM +0800, joeyli wrote: > http://msdn.microsoft.com/en-us/windows/hardware/gg487382.aspx > > In WDDM architecture, in spec p.5, there have a "Monitor" driver to > check the WDDM driver support brightness DDI, if not, then it will use > standard acpi method to control brightness. What's the interaction between GPU drivers and platform drivers? For instance, on acer systems that have backlight control via WMI, does Windows use WMI, the GPU driver or ACPI? -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html