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

Tomi Valkeinen tomi.valkeinen at ti.com
Thu Sep 26 12:54:43 UTC 2019

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?


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