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From: Jani Nikula <jani.nikula@linux.intel.com>
To: "Sanchez, AdolfoX" <adolfox.sanchez@intel.com>,
	"intel-gfx@lists.freedesktop.org"
	<intel-gfx@lists.freedesktop.org>
Subject: Re: force DP lane count on Broadwell platform
Date: Thu, 19 May 2016 09:31:01 +0300	[thread overview]
Message-ID: <871t4yftju.fsf@intel.com> (raw)
In-Reply-To: <56B36C37A8AFDD43BD486A5FC41A6D991E228CD0@CRSMSX101.amr.corp.intel.com>


On Wed, 18 May 2016, "Sanchez, AdolfoX" <adolfox.sanchez@intel.com> wrote:
> A customer of mine decided to work with a modified DP port with only
> two lanes and is facing issues.  I guess modifying the suggested
> values might be useful at O.S leve, however I was wondering if
> modifyint the register that I mentioned earlier in the VBIOS would
> accomplish the same for the pre-OS stage.

For the most part, the pre-OS stage is a black box to me. So I don't
really know. But if I had to guess, not a chance. DP just isn't that
simple.


BR,
Jani.

-- 
Jani Nikula, Intel Open Source Technology Center
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      reply	other threads:[~2016-05-19  6:31 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-18  0:08 force DP lane count on Broadwell platform Sanchez, AdolfoX
2016-05-18  6:37 ` Jani Nikula
2016-05-18 19:21   ` Sanchez, AdolfoX
2016-05-19  6:31     ` Jani Nikula [this message]

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