Hi Ulrich,
On 05/13/2016 10:36 AM, Hans Verkuil wrote:
> On 05/11/2016 04:02 PM, Ulrich Hecht wrote:
>> Initializes the decoder subdevice with a fixed EDID blob.
>>
>> Signed-off-by: Ulrich Hecht <ulrich.hecht+rene...@gmail.com>
>
> Nacked-by: Hans Verkuil <hans.verk...@cisco.com>
>
> Instead implement the g/s_edid ioctls.
>
> You truly cannot default to an EDID. When an EDID is set the HPD will go high.
> But you don't know the EDID here, the contents of the EDID is something that
> only userspace will know depending on the type of device you're building.
>
> In practice userspace will overwrite the EDID with the real one and so the HPD
> will go down and up again. And while transmitters are supposed to handle that
> cleanly, in reality this is a different story.
>
> Just add the g/s_edid ioctls and you can use 'v4l2-ctl --set-edid=edid=hdmi'
> to
> fill in a default EDID.
>
> I won't accept this patch since I know from my own experience that this
> doesn't
> work.
I haven't seen a follow-up on this. Can you do a v5? It's likely that will be
the
last version and I can commit this.
Thanks!
Hans
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