Re: [PATCH 09/13] drm/msm/dcp: Register DCP display pipeline

[Jayant Shekhar <jayant.shekhar@oss.qualcomm.com>]

On 21-10-2026 17:35, Krzysztof Kozlowski wrote:
> 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?
>

Will update in the bindings in v2.


Thanks

Jayant


>> +			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