Re: [PATCH v2] usb: typec: altmodes/displayport: verify compatible source/sink role combination

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On Wed, Oct 18, 2023 at 08:34:09PM +0000, RD Babiera wrote:
> DisplayPort Alt Mode CTS test 10.3.8 states that both sides of the
> connection shall be compatible with one another such that the connection
> is not Source to Source or Sink to Sink.
> 
> The DisplayPort driver currently checks for a compatible pin configuration
> that resolves into a source and sink combination. The CTS test is designed
> to send a Discover Modes message that has a compatible pin configuration
> but advertises the same port capability as the device; the current check
> fails this.
> 
> Verify that the port and port partner resolve into a valid source and sink
> combination before checking for a compatible pin configuration.
> 
> ---
> Changes since v1:
> * Fixed styling errors
> * Added DP_CAP_IS_UFP_D and DP_CAP_IS_DFP_D as macros to typec_dp.h
> ---

Git stops the changelog at the first "---", so everything below:

> Fixes: 0e3bb7d6894d ("usb: typec: Add driver for DisplayPort alternate mode")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: RD Babiera <rdbabiera@xxxxxxxxxx>

Is dropped, which is not what you want (did you try applying this
yourself?)

As the documentation describes, please put the change information that
you have here below this line:

> ---

So that it will not show up in the changelog.

Please fix up, add the reviews that you got, and submit a v3, as I can't
take this one as-is :(

thanks,

greg k-h




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