Re: [PATCH v6 3/3] dt-bindings: drm/bridge: ti-sn65dsi86: Document no-hpd

2020-05-26 Thread Rob Herring
On Wed, May 13, 2020 at 02:59:02PM -0700, Douglas Anderson wrote: > The ti-sn65dsi86 MIPI DSI to eDP bridge chip has a dedicated hardware > HPD (Hot Plug Detect) pin on it, but it's mostly useless for eDP > because of excessive debouncing in hardware. Specifically there is no > way to disable the

[PATCH v6 3/3] dt-bindings: drm/bridge: ti-sn65dsi86: Document no-hpd

2020-05-13 Thread Douglas Anderson
The ti-sn65dsi86 MIPI DSI to eDP bridge chip has a dedicated hardware HPD (Hot Plug Detect) pin on it, but it's mostly useless for eDP because of excessive debouncing in hardware. Specifically there is no way to disable the debouncing and for eDP debouncing hurts you because HPD is just used for k