[PATCH 2/7] drm/omap: tweak HDMI DDC timings

[Alejandro Hernandez]

On 9/26/19 8:54 AM, Tomi Valkeinen wrote:
> On 03/09/2019 17:23, Laurent Pinchart wrote:
>> Hi Tomi,
>>
>> Thank you for the path.
>>
>> On Mon, Sep 02, 2019 at 03:53:54PM +0300, Tomi Valkeinen wrote:
>>> From: Alejandro Hernandez <ajhernandez at ti.com>
>>>
>>> A "HDMI I2C Master Error" is sometimes reported with the current DDC 
>>> SCL
>>> timings. The current settings for a 10us SCL period (100 KHz) causes 
>>> the
>>> error with some displays.  This patch increases the SCL signal period
>>> from 10us to 10.2us, with the new settings the error is not observed
>>>
>>
>> It would be useful to document what those "some displays" are if you
>> can.
>
> Unfortunately I have no idea. This was quite a while ago.
>
> Alejandro, do you recall?

Not at this point, we threw out a bunch of equipment out during the move 
to the new office last year. I could only find one and it has no 
identifying information on it.

Alejandro

>
>  Tomi
>