On Tue, 8 Sep 2020 at 18:08, Hans Verkuil wrote:
>
> Hi Sam,
>
> On 01/09/2020 08:22, Sam McNally wrote:
> > With DP v2.0 errata E5, CEC tunneling can be supported through an MST
> > topology.
>
> Oh wow, this is finally supported in the spec. Very nice to see this.
> Also very nice to see that
On 01/09/2020 08:22, Sam McNally wrote:
> With DP v2.0 errata E5, CEC tunneling can be supported through an MST
> topology.
>
> There are some minor differences for CEC tunneling through an MST
> topology compared to CEC tunneling to an SST port:
> - CEC IRQs are delivered via a sink event notify
Hi Sam,
On 01/09/2020 08:22, Sam McNally wrote:
> With DP v2.0 errata E5, CEC tunneling can be supported through an MST
> topology.
Oh wow, this is finally supported in the spec. Very nice to see this.
Also very nice to see that my old experimental patches attempting to
support CEC on MST didn't
With DP v2.0 errata E5, CEC tunneling can be supported through an MST
topology.
There are some minor differences for CEC tunneling through an MST
topology compared to CEC tunneling to an SST port:
- CEC IRQs are delivered via a sink event notify message
- CEC-related DPCD registers are accessed
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