linux-kernel - Re: [PATCH v3 32/37] drm/bridge: Make encoder pointer deprecated

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Message-ID: <20250214-arrogant-strong-hoatzin-efdcd8@houat>
Date: Fri, 14 Feb 2025 14:07:18 +0100
From: Maxime Ripard <mripard@...nel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
	Simona Vetter <simona@...ll.ch>, 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>, Douglas Anderson <dianders@...omium.org>, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 32/37] drm/bridge: Make encoder pointer deprecated

On Thu, Feb 13, 2025 at 06:35:15PM +0200, Dmitry Baryshkov wrote:
> On Thu, Feb 13, 2025 at 03:43:51PM +0100, Maxime Ripard wrote:
> > Other entities (drm_connector.crtc, drm_encoder.crtc, etc.) have
> > pointer to other currently bound entities. They are all considered
> > relevant only for non-atomic drivers, and generally perceived as
> > deprecated in favour of the equivalent pointers in the atomic states.
> 
> I think there is a significant difference between mentioned fields and
> drm_bridge.encoder: the former fields are variable and can change. The
> latter one is static and set at the bridge attachment time. Nevertheless
> I think it is a good idea to deprecate it.

I'm sorry, it's not clear to me here what you want here either. Do you
want me to change anything to that patch?

Maxime

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