Messages in this thread | | | Date | Fri, 18 Aug 2023 06:24:32 +0000 | From | Simon Ser <> | Subject | Re: [PATCH 3/4] drm/uapi: document the USB subconnector type |
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On Thursday, August 17th, 2023 at 21:33, Dmitry Baryshkov <dmitry.baryshkov@linaro.org> wrote:
> We have been looking for a way to document that the corresponding DP > port is represented by the USB connector on the device. > > Consequently, I believe the best way to document it, would be to use > DisplayPort / USB, when there is no dongle connected, switching to > DisplayPort / HDMI, DisplayPort / VGA, DisplayPort / DisplayPort, etc. > when the actual dongle / display is connected and then switching back to > the DisplayPort / USB when it gets disconnected. > > If this sounds good to all parties, I'll post v2, adding this > explanation to the cover letter.
But how can user-space discover that the port is USB-C when it's connected? That information is lost at this point.
(In addition, this clashes with the existing semantics of the subconnector prop as discussed before: USB-C is not sub-, it's super-.)
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