On Tue, Mar 04, 2014 at 12:42:44AM +0100, Patrik Jakobsson wrote: > This patch fixes the blank screen bug introduced in 3.14-rc1 on the > MacBook Air 6,2. The comments state that we need to force edp vdd so > lets put it back. > > The regression was introduced by the following commit: > > commit dff392dbd258381a6c3164f38420593f2d291e3b > Author: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > Date: Fri Dec 6 17:32:41 2013 -0200 > > drm/i915: don't touch the VDD when disabling the panel > > v2: Wrap intel_disable_dp() with _vdd_on and _vdd_off > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74628 > Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@xxxxxxxxx> This brings the code into line with the comments, and has the bonus of working on a fiddly panel, so Acked-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> I don't feel confident enough with the DP sequencing to say why it has to be so though. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
