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From: Chris Wilson <chris@chris-wilson.co.uk>
To: intel-gfx@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@intel.com>
Subject: Re: [PATCH 2/2] drm/i915/sdvo: restore i2c adapter config on intel_sdvo_init() failures
Date: Tue, 23 Oct 2012 10:40:20 +0100	[thread overview]
Message-ID: <275ffc$73rhq3@fmsmga002.fm.intel.com> (raw)
In-Reply-To: <51e603fa921dec2b137d759a86c6169d26b461be.1350911444.git.jani.nikula@intel.com>

On Mon, 22 Oct 2012 16:12:18 +0300, Jani Nikula <jani.nikula@intel.com> wrote:
> SDVOB may be multiplexed with HDMIB. If it's not SDVOB, the same i2c
> adapter may be used for HDMIB, with the adjusted config (i.e. with GPIO
> bit-banging instead of gmbus). Restore i2c adapter config before error
> return from intel_sdvo_init(), letting HDMIB enjoy the joys of gmbus.

I would personally not make the assumption that set_speed has no effect.
Disabling GMBUS is a hack that we should eventually lift.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

  reply	other threads:[~2012-10-23  9:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-22 13:12 [PATCH 1/2] drm/i915/sdvo: force GPIO bit-banging also on default pin Jani Nikula
2012-10-22 13:12 ` [PATCH 2/2] drm/i915/sdvo: restore i2c adapter config on intel_sdvo_init() failures Jani Nikula
2012-10-23  9:40   ` Chris Wilson [this message]
2012-10-26  6:21     ` Jani Nikula
2012-10-26  8:27       ` Daniel Vetter
2012-10-23 10:01   ` Mika Kuoppala

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