[Intel-gfx] [RFC PATCH 0/2] i915 brightness control

[Matthew Garrett]

On Thu, Jun 03, 2010 at 12:20:39AM +0100, Pedro Ribeiro wrote:

> Are you sure this is a good idea to enable it by default just because
> of a problem with one manufacturer (Dell)?

It should (a-ha ha) be entirely safe on systems using the IGD opregion 
spec.

> My Lenovo laptop has fine brightness control with a GM45 and this may break it.
> Might be safer only to enable it for laptops with known problems.

You have a complete list of all laptops with problems in this area? The 
ongoing situation with Windows 7 compatibility breaking machines that 
previously worked suggests that there's something going on which we 
don't understand or implement.

-- 
Matthew Garrett | mjg59 at srcf.ucam.org