On Wed, 08 Dec 2010 17:08:04 +0000, Chris Wilson <ch...@chris-wilson.co.uk> wrote: > On Wed, 8 Dec 2010 17:34:24 +0100, Florian Mickler <flor...@mickler.org> > wrote: > > Does that mean that the kernel regression will not be > > fixed/worked-around for old userspace? > > I think there is some confusion in that I believe there is more than one > backlight bug at play here.
The kernel and user space fixes addressed the same technical problem (failing to note that mode setting turned on the devices), but the symptoms that this caused were different; in kernel mode, the result would be that monitors would be left turned on when user space asked that they be turned off (and left pointing at random memory too, which was amusing). I think that the backlight issue was caused by the user-space bug though. -- keith.pack...@intel.com
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