linux-kernel - Re: [PATCH v5 03/11] drm/connector: add CEC-related fields

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Message-ID: <20250414-augmented-origami-fulmar-acb97b@houat>
Date: Mon, 14 Apr 2025 16:52:07 +0200
From: Maxime Ripard <mripard@...nel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
	Simona Vetter <simona@...ll.ch>, Dave Stevenson <dave.stevenson@...pberrypi.com>, 
	Maíra Canal <mcanal@...lia.com>, Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>, 
	Andrzej Hajda <andrzej.hajda@...el.com>, Neil Armstrong <neil.armstrong@...aro.org>, 
	Robert Foss <rfoss@...nel.org>, Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
	Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	Dmitry Baryshkov <lumag@...nel.org>
Subject: Re: [PATCH v5 03/11] drm/connector: add CEC-related fields

Hi,

On Mon, Apr 07, 2025 at 06:11:00PM +0300, Dmitry Baryshkov wrote:
> +/**
> + * struct drm_connector_cec - DRM Connector CEC-related structure
> + */
> +struct drm_connector_cec {
> +	/**
> +	 * @mutex: protects all fields in this structure.
> +	 */
> +	struct mutex mutex;
> +
> +	/**
> +	 * @funcs: CEC Control Functions
> +	 */
> +	const struct drm_connector_cec_funcs *funcs;
> +
> +	/**
> +	 * @data: CEC implementation-specific data
> +	 */
> +	void *data;

Is there a reason we don't just skip that data? The only user I'm seeing
so far are the helpers, and they only put the cec_adapter pointer in
there.

Can't we pass the connector to CEC and make the adapter part of drm_connector_cec?

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