Re: [PATCHv4 1/3] drm: add support for DisplayPort CEC-Tunneling-over-AUX

2017-09-18 Thread Ville Syrjälä
On Sat, Sep 16, 2017 at 04:17:24PM +0200, Hans Verkuil wrote: > From: Hans Verkuil > > This adds support for the DisplayPort CEC-Tunneling-over-AUX > feature that is part of the DisplayPort 1.3 standard. > > Unfortunately, not all DisplayPort/USB-C to HDMI adapters with

[PATCHv4 1/3] drm: add support for DisplayPort CEC-Tunneling-over-AUX

2017-09-16 Thread Hans Verkuil
From: Hans Verkuil This adds support for the DisplayPort CEC-Tunneling-over-AUX feature that is part of the DisplayPort 1.3 standard. Unfortunately, not all DisplayPort/USB-C to HDMI adapters with a chip that has this capability actually hook up the CEC pin, so even