[Intel-gfx] [PATCH 1/1] drm: i915: don't use OpRegion for XPS 13 IvyBridge

Martin van Es martin at mrvanes.com
Tue Aug 30 09:13:31 UTC 2016


On dinsdag 30 augustus 2016 11:13:40 CEST Jani Nikula wrote:
> On Tue, 30 Aug 2016, Martin van Es <martin at mrvanes.com> wrote:
> > Hi Andrea,
> > 
> > I'd be happy to test, but what am I testing when applying these boot
> > parameters? In other words: what should I report?
> 
> The point is, for an ivybridge setting those parameters should not make
> *any* difference.

I can confirm that neither i915.edp_vswing=1 nor i915.edp_vswing=2 fixes the 
problem in 4.7.2 for me (intel_backlight devices takes precedence).

Best regards,
Martin



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