[Bug 59785] [dual-gpu regression] Display shuts off when switching to discrete graphics card

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Apr 16 06:41:07 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=59785

--- Comment #23 from Daniel Vetter <daniel at ffwll.ch> ---
Created attachment 78082
  --> https://bugs.freedesktop.org/attachment.cgi?id=78082&action=edit
Don't clamp backlight when disabling on gen4+

Can everyone affected by this bug please test the attached patch? It hopefully
fixes the backlight issues without causing problems on other systems - since on
most systems we really want to disable the backlight.

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