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

Doug Anderson dianders at chromium.org
Mon Sep 28 09:29:34 PDT 2015


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.  :(

-Doug


More information about the dri-devel mailing list