[Intel-gfx] [PATCH] drm/i915: Preserve that FDI line reversal override bit on CPT

[Damien Lespiau]

On Tue, Dec 11, 2012 at 3:28 PM, Damien Lespiau
<damien.lespiau at gmail.com> wrote:
> From: Damien Lespiau <damien.lespiau at 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 at intel.com>

Discard this one, it's now part of a series, posted a few hours later.

-- 
Damien