* Messages for package x11-drivers/ati-drivers-13.9:
* CONFIG_DRM must be disabled or compiled as a module and not loaded for direct
* rendering to work.
* Please check to make sure these options are set correctly.
* Failure to do so may cause unexpected problems.
But on a hybrid laptop system, in order to get Intel driver to work, CONFIG_DRM is seemed to be necessary. Building it into kernel works fine for me. I think ati-driver only conflicts with RADEON driver.
x11-drivers/ati-drivers has been removed, per bug 582406.