[Linaro-mm-sig] Re: [PATCH 09/13] drm/msm/dcp: Register DCP display pipeline

On 15/10/2026 09:38, Jayant Shekhar wrote:

The DCP firmware exposes display resources through capabilities rather than through host-visible display registers. The MSM DRM backend therefore needs to build its KMS objects from the firmware capabilities and device-tree display graph.

...

• remote_np = of_graph_get_remote_port_parent(ep_np);
  

• of_node_put(ep_np);
  

• if (!remote_np)
  

• 	continue;
  

• if (!of_device_is_available(remote_np)) {
  

• 	of_node_put(remote_np);
  

• 	continue;
  

• }
  

• if (of_node_name_prefix(remote_np, "dsi")) {
  

Where did you document the ABI?

• 	if (dsi_idx >= ARRAY_SIZE(dpu_kms->dsi_bridge)) {
  

• 		dev_err(dev->dev, "too many DSI outputs\n");
  

• 		ret = -E2BIG;
  

• 		goto out;
  

• 	}
  

Best regards, Krzysztof