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From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Daniel Vetter <daniel@ffwll.ch>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Fix VLV analog output shivers
Date: Tue, 11 Jun 2013 16:18:46 -0700	[thread overview]
Message-ID: <20130611161846.3a54e775@jbarnes-desktop> (raw)
In-Reply-To: <20130611210659.GZ22870@phenom.ffwll.local>

On Tue, 11 Jun 2013 23:06:59 +0200
Daniel Vetter <daniel@ffwll.ch> wrote:

> On Tue, Jun 11, 2013 at 11:08:16PM +0300, ville.syrjala@linux.intel.com wrote:
> > From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > 
> > The current PLL settings produce a rather unstable picture when
> > I hook up a VLV to my HP ZR24w display via a VGA cable. Switching
> > the PLL to hybrid mode makes the picture a lot more stable. No
> > idea if this is truly wise though...
> 
> Ok, you've just slipped up here and mentioned that the changed bit is for
> "hybrid mode". Can I have real register defines for this magic now please?
> 
> Apparently Jesse just weaseled out of real work claiming that it's not
> documented at all ;-)
> 

There are some bits we could use, but we'd be making up the name.  On
top of that, the hex value is used in the docs, so if we make up bit
field names, we'll end up double taking everytime we look at these bits.

So there's no good answer here... :/

-- 
Jesse Barnes, Intel Open Source Technology Center
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  reply	other threads:[~2013-06-11 23:17 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-11 20:08 [PATCH] drm/i915: Fix VLV analog output shivers ville.syrjala
2013-06-11 21:06 ` Daniel Vetter
2013-06-11 23:18   ` Jesse Barnes [this message]
2013-06-12  8:14     ` Ville Syrjälä
2013-06-12  8:17       ` Daniel Vetter

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