From: Damien Lespiau <damien.lespiau@intel.com>
To: Damien Lespiau <damien.lespiau@gmail.com>
Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH] drm/i915: Preserve that FDI line reversal override bit on CPT
Date: Tue, 11 Dec 2012 18:49:27 +0000 [thread overview]
Message-ID: <CAPX-8+8cYrqE4gpkJrK6jQgf7nwHeMfeG2MvUHXmeJC5-+QM6w@mail.gmail.com> (raw)
In-Reply-To: <1355239689-1806-1-git-send-email-damien.lespiau@gmail.com>
On Tue, Dec 11, 2012 at 3:28 PM, Damien Lespiau
<damien.lespiau@gmail.com> wrote:
> From: Damien Lespiau <damien.lespiau@intel.com>
>
> The FDI link has supported link reversal to make the PCB layout
> engineer's life easier for quite a while and we have always presered
> this bit as we programmed FDI_RX_CTL with a read/modify/write sequence.
>
> We're trying to take a bit more control over what the BIOS leaves in
> various register and with the introduction of DDI, started to program
> FDI_RX_CTL fully.
>
> There's a fused bit to indicate DMI link reversal and FDI defaults to
> mirroring that configuration. We have a bit to override that behaviour
> that we need to preserve from the BIOS.
>
> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Discard this one, it's now part of a series, posted a few hours later.
--
Damien
prev parent reply other threads:[~2012-12-11 18:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-11 15:28 [PATCH] drm/i915: Preserve that FDI line reversal override bit on CPT Damien Lespiau
2012-12-11 18:49 ` Damien Lespiau [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAPX-8+8cYrqE4gpkJrK6jQgf7nwHeMfeG2MvUHXmeJC5-+QM6w@mail.gmail.com \
--to=damien.lespiau@intel.com \
--cc=damien.lespiau@gmail.com \
--cc=intel-gfx@lists.freedesktop.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.