[PATCH v2 1/2] dt-bindings: drm/bridge: MHDP8546 bridge binding changes for HDCP

Laurent Pinchart laurent.pinchart at ideasonboard.com
Mon Mar 1 16:27:44 UTC 2021


Hi Parshuram,

On Mon, Mar 01, 2021 at 04:14:54PM +0000, Parshuram Raju Thombare wrote:
> Hi Laurent,
> 
> > Is this a property of the hardware, that is, are there multiple versions
> > of this IP core covered by the same compatible string that support HDCP
> > 1.4 only, DHCP 2.2 only or both ? Or is it a way to select what a given
> > system will offer ?[] 
> 
> MHDP hardware supports both HDCP 2.2 and 1.4. So, this is a way
> to select the version of HDCP, system wish to support.

Then I'm not sure this qualifies as a DT property, which should describe
the system, not configure it. A way for userspace to configure this
would be better.

-- 
Regards,

Laurent Pinchart


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