Messages in this thread | | | Date | Mon, 6 Feb 2023 14:11:08 +0200 | From | Andy Shevchenko <> | Subject | Re: [PATCH v11 5/9] drm/bridge: anx7625: Check for Type-C during panel registration |
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On Sat, Feb 04, 2023 at 09:30:36PM +0800, Pin-yen Lin wrote: > The output port endpoints can be connected to USB-C connectors. > Running drm_of_find_panel_or_bridge() with such endpoints leads to > a continuous return value of -EPROBE_DEFER, even though there is > no panel present. > > To avoid this, check for the existence of a "mode-switch" property in > the port endpoint, and skip panel registration completely if so.
...
> + /* > + * Don't bother finding a panel if a Type-C `mode-switch` property is > + * present in one of the endpoints. > + */ > + for_each_endpoint_of_node(np, sw) { > + if (of_property_read_bool(sw, "mode-switch")) {
Might be that the same helper can be used here. Dunno if the endpoint traverse should be used for the other driver as well.
> + of_node_put(sw); > + return 0; > + } > + }
-- With Best Regards, Andy Shevchenko
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