Hi, On Mon, Jan 23, 2023 at 08:41:56PM +0530, Jagan Teki wrote: > Add devm OF helper to return the next DSI bridge in the chain. > > Unlike general bridge return helper devm_drm_of_get_bridge, this > helper uses the dsi specific panel_or_bridge helper to find the > next DSI device in the pipeline. > > Helper lookup a given child DSI node or a DT node's port and > endpoint number, find the connected node and return either > the associated struct drm_panel or drm_bridge device. I'm not sure that using a device managed helper is the right choice here. The bridge will stay longer than the backing device so it will create a use-after-free. You should probably use a DRM-managed action here instead. Maxime
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