[PATCH v4] drm: bridge/dw_hdmi: add dw hdmi i2c bus adapter support

Vladimir Zapolskiy vladimir_zapolskiy at mentor.com
Mon Sep 28 12:59:00 PDT 2015


Hi Doug,

On 28.09.2015 19:29, Doug Anderson wrote:
> Vladimir,
> 
> On Mon, Sep 21, 2015 at 8:07 AM, Vladimir Zapolskiy
> <vladimir_zapolskiy at mentor.com> wrote:
>> - do I2C bus controller reinitialization on every data transfer,
>>   this change hopefully solves some observed problems on RK3288 platform
> 
> My apologies, but this appears to be a bad idea...
> 
> We just discovered that this was the root cause of a bug.  If an HDCP
> transfer is happening then the soft reset messes things up.  In our
> tree we've moving things back to the way they were.  :(

therefore I do the same.

Since unfortunately I'm limited in testing your tree and RK3288
platform, probably it might be more productive, if you send any updates
on top of my changes -- I'll be capable to review/test them for
regressions on iMX6 in vanilla.

--
With best wishes,
Vladimir


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