Re: [PATCH 1/2] drm/i915: clear up backlight inversion confusion on gen4

Chris Wilson
2012-04-23T12:33:10Z

On Mon, 23 Apr 2012 14:21:20 +0200, Daniel Vetter <daniel@ffwll.ch> wrote:
> On my specs bit29 is pipe assignement, we should set it if the panel is on
> pipe B (well, it just takes the pll to do the modulation from that pipe
> then).

On CTL1 rather than CTL2, if that makes a difference. Listed in both the
IBX and CPT specs as bit 29, backlight polarity. The joy of ever
changing documentation.
-Chris

--
Chris Wilson, Intel Open Source Technology Centre