linux-kernel - Re: [Intel-gfx] [PATCH 4/7] drm/i915: Let panel power sequencing hardware do its job

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Message-ID: <yunlirywinl.fsf@aiko.keithp.com>
Date:	Wed, 02 Nov 2011 10:14:54 -0700
From:	Keith Packard <keithp@...thp.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 4/7] drm/i915: Let panel power sequencing hardware do its job

On Wed, 2 Nov 2011 09:23:10 -0700, Jesse Barnes <jbarnes@...tuousgeek.org> wrote:

> Note that PP_READY will incorrectly depend on some other register
> values, so in some configs the panel will happily power up even if
> PP_READY isn't set yet...

Yeah, I'd like to understand why PP_READY isn't getting set; we should
have all of the other pieces ready before we turn on the panel. But,
given that it's really just a sanity check, it probably doesn't make
sense to spin for 5 seconds waiting for a bit to turn on that won't.

I've just removed that bit from the IDLE_ON_MASK and IDLE_ON_VALUE.

-- 
keith.packard@...el.com

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