linux-kernel - Re: [PATCH 6/8] drm/vc4: use drmm_writeback_connector

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Message-ID: <ecad509b-7abe-47b9-b0ee-d4db5c38d841@bootlin.com>
Date: Fri, 1 Aug 2025 16:08:30 +0200
From: Louis Chauvet <louis.chauvet@...tlin.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
 Jani Nikula <jani.nikula@...ux.intel.com>,
 "Kandpal, Suraj" <suraj.kandpal@...el.com>,
 Harry Wentland <harry.wentland@....com>, Leo Li <sunpeng.li@....com>,
 Rodrigo Siqueira <siqueira@...lia.com>,
 Alex Deucher <alexander.deucher@....com>,
 Christian König <christian.koenig@....com>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Liviu Dudau <liviu.dudau@....com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 Rob Clark <robin.clark@....qualcomm.com>, Dmitry Baryshkov
 <lumag@...nel.org>, Abhinav Kumar <abhinav.kumar@...ux.dev>,
 Jessica Zhang <jessica.zhang@....qualcomm.com>, Sean Paul <sean@...rly.run>,
 Marijn Suijten <marijn.suijten@...ainline.org>,
 Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
 Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>,
 Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
 Geert Uytterhoeven <geert+renesas@...der.be>,
 Magnus Damm <magnus.damm@...il.com>,
 Dave Stevenson <dave.stevenson@...pberrypi.com>,
 Maíra Canal <mcanal@...lia.com>,
 Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>
Cc: amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 freedreno@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH 6/8] drm/vc4: use drmm_writeback_connector_init()



Le 01/08/2025 à 15:51, Dmitry Baryshkov a écrit :
> Use drmm_plain_encoder_alloc() to allocate simple encoder and
> drmm_writeback_connector_init() in order to initialize writeback
> connector instance.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>

Reviewed-by: Louis Chauvet <louis.chauvet@...tlin.com>

> ---
>   drivers/gpu/drm/vc4/vc4_txp.c | 9 ++++-----
>   1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/vc4/vc4_txp.c b/drivers/gpu/drm/vc4/vc4_txp.c
> index 42acac05fe47861ced226a4f64661f545e21ddb5..fef4e4ee47cf41d40de47c5201f0349dc36c56bd 100644
> --- a/drivers/gpu/drm/vc4/vc4_txp.c
> +++ b/drivers/gpu/drm/vc4/vc4_txp.c
> @@ -377,7 +377,6 @@ vc4_txp_connector_detect(struct drm_connector *connector, bool force)
>   static const struct drm_connector_funcs vc4_txp_connector_funcs = {
>   	.detect = vc4_txp_connector_detect,
>   	.fill_modes = drm_helper_probe_single_connector_modes,
> -	.destroy = drm_connector_cleanup,
>   	.reset = drm_atomic_helper_connector_reset,
>   	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
>   	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
> @@ -601,10 +600,10 @@ static int vc4_txp_bind(struct device *dev, struct device *master, void *data)
>   
>   	drm_connector_helper_add(&txp->connector.base,
>   				 &vc4_txp_connector_helper_funcs);
> -	ret = drm_writeback_connector_init_with_encoder(drm, &txp->connector,
> -							encoder,
> -							&vc4_txp_connector_funcs,
> -							drm_fmts, ARRAY_SIZE(drm_fmts));
> +	ret = drmm_writeback_connector_init(drm, &txp->connector,
> +					    &vc4_txp_connector_funcs,
> +					    encoder,
> +					    drm_fmts, ARRAY_SIZE(drm_fmts));
>   	if (ret)
>   		return ret;
>   
> 

-- 
Louis Chauvet, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com