[PATCH v2] drm/bridge: ti-sn65dsi86: Add HPD for DisplayPort connector type

Ernest Van Hoecke ernestvanhoecke at gmail.com
Wed May 28 12:41:56 UTC 2025


Hi Jayesh,

On Wed, May 28, 2025 at 05:48:56PM +0530, Jayesh Choudhary wrote:
> As per the bindings, I see that we should have "no-hpd" property in
> the device description for platforms with bad HPD or disconnected HPD.
> 
> Then we can read it in ti_sn65dsi86_probe() before resume call and use
> it as a conditional instead.
> Since I do not have any "bad HPD signal" board, I would need some
> help validating this on such boards from Ernest.

This sounds like a good approach to me, during my investigation I also
thought the "no-hpd" property should enter into the story.

I will gladly help with testing and will add a jumper to my board so I
can turn it into a bad/good HPD signal board.

Thanks for the efforts and kind regards,
Ernest


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