[PATCH 1/2] drivers/video/hdmi: allow for larger-than-needed vendor IF

[Ville Syrjälä]

On Mon, Nov 20, 2017 at 04:02:14PM +0100, Hans Verkuil wrote:
> On 11/20/2017 03:51 PM, Ville Syrjälä wrote:
> > On Mon, Nov 20, 2017 at 02:41:28PM +0100, Hans Verkuil wrote:
> >> From: Hans Verkuil <hansverk at cisco.com>
> >>
> >> Some devices (Windows Intel driver!) send a Vendor InfoFrame that
> >> uses a payload length of 0x1b instead of the length of 5 or 6
> >> that the unpack code expects. The InfoFrame is padded with 0 by
> >> the source.
> > 
> > So it doesn't put any 3D_Metadata stuff in there? We don't see to
> > have code to parse/generate any of that.
> 
> I can't remember if it puts any 3D stuff in there. Let me know if you
> want me to check this later this week.

Would be nice to know.

I guess we should really add code to parse/generate that stuff too,
otherwise we're going to be lying when we unpack an infoframe with that
stuff present.

-- 
Ville Syrjälä
Intel OTC