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Message-ID: <20110930172547.GI2859@phenom.ffwll.local> Date: Fri, 30 Sep 2011 19:25:47 +0200 From: Daniel Vetter <daniel@...ll.ch> To: Keith Packard <keithp@...thp.com> Cc: Dave Airlie <airlied@...hat.com>, intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org Subject: Re: [Intel-gfx] [PATCH 09/21] drm/i915: Delay DP i2c initialization until panel power timings are computed On Thu, Sep 29, 2011 at 06:09:41PM -0700, Keith Packard wrote: > On eDP, DDC requires panel power, but turning that on uses the panel > power sequencing timing values fetch from the DPCD data. > > Signed-off-by: Keith Packard <keithp@...thp.com> Can't really check more than what the patch does what it claims to do, so a weak: Reviewed-by: Daniel Vetter <daniel.vetter@...ll.ch> And a small question from the clueless: With your patch intel_dp_i2c_auch_ch checks whether panel or vdd is on, but I don't see where we turn that on and the drm dp i2c core seems to do a few transactions on setup time. Should we splatter a vdd_on/off around the i2c_init or is the panel guaranteed to have power at init time? -Daniel -- Daniel Vetter Mail: daniel@...ll.ch Mobile: +41 (0)79 365 57 48 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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