Re: [PATCH 5/5] drm_dp_cec: add the implementation of MST support

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 my

Re: [PATCH 5/5] drm_dp_cec: add the implementation of MST support

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

Re: [PATCH 5/5] drm_dp_cec: add the implementation of MST support

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