On Fri, Feb 21, 2014 at 6:27 AM, Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> wrote: > On 2/20/2014 10:23 AM, Jiang Liu wrote: >> >> Fix regression caused by commit b072e53, which breaks loading nouveau >> driver on optimus laptops. >> >> On some platforms, ACPI _DSM method (nouveau_op_dsm_muid, function 0) >> has special requirements on the fourth parameter, which is different >> from ACPI specifications. So revert to the private implementation >> to check availability of _DSM functions instead of using common >> acpi_check_dsm() interface. >> >> Reported-and-Tested-by: Maarten Lankhorst >> <maarten.lankhorst@xxxxxxxxxxxxx> >> Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx> > > > I'm taking this, because the commit that introduced the regression went in > through my tree. > > In the future I'll appreciate CCing ACPI-related patches to linux-acpi, > however. Thanks, Acked-by: Dave Airlie <airlied@xxxxxxxxxx> Dave. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel