[PATCH 2/3] acpi_video: Intel video is not always i915

Matthew Garrett mjg59 at srcf.ucam.org
Wed Apr 25 05:40:18 PDT 2012

On Wed, Apr 25, 2012 at 01:24:38PM +0100, Alan Cox wrote:

> Because as I said before there are two drivers involved and you may only
> have one compiled into your kernel. If you have
> you want the acpi stuff to autoregister even if an i915 is found, but not
> if a GMA500 is found. Ditto the reverse.

No you don't - there's various platforms that will hang if you do that. 
It's necessary to make sure that the DIDL fields are set up before 
calling any ACPI video functions on opregion hardware.

Matthew Garrett | mjg59 at srcf.ucam.org

More information about the dri-devel mailing list