From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mga11.intel.com ([192.55.52.93]:45566 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751189AbdKUP1a (ORCPT ); Tue, 21 Nov 2017 10:27:30 -0500 Date: Tue, 21 Nov 2017 17:27:26 +0200 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= To: Hans Verkuil Cc: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, Daniel Vetter , Thierry Reding , Hans Verkuil Subject: Re: [PATCH 1/2] drivers/video/hdmi: allow for larger-than-needed vendor IF Message-ID: <20171121152726.GE10981@intel.com> References: <20171120134129.26161-1-hverkuil@xs4all.nl> <20171120134129.26161-2-hverkuil@xs4all.nl> <20171120145154.GW10981@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: linux-media-owner@vger.kernel.org List-ID: 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 > >> > >> 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