On Thu, Jan 26, 2023 at 5:42 PM Maxime Ripard <maxime@xxxxxxxxxx> wrote: > > 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. Thanks for the comments. If I understand correctly we can use drmm_panel_bridge_add instead devm_drm_panel_bridge_add once we found the panel or bridge - am I correct? Jagan.
