linux-kernel - Re: [PATCH 4/8] drm/msm/dpu: use drmm_writeback_connector

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1e64ef64-cdfa-4ecc-af68-53fc69a1b6a2@bootlin.com>
Date: Fri, 1 Aug 2025 16:08:51 +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 4/8] drm/msm/dpu: 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/msm/disp/dpu1/dpu_writeback.c | 10 +++-------
>   1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c
> index 8ff496082902b1ee713e806140f39b4730ed256a..cd73468e369a93c50303db2a7d4499bcb17be5d1 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c
> @@ -80,7 +80,6 @@ static int dpu_wb_conn_atomic_check(struct drm_connector *connector,
>   static const struct drm_connector_funcs dpu_wb_conn_funcs = {
>   	.reset = drm_atomic_helper_connector_reset,
>   	.fill_modes = drm_helper_probe_single_connector_modes,
> -	.destroy = drm_connector_cleanup,
>   	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
>   	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
>   };
> @@ -131,12 +130,9 @@ int dpu_writeback_init(struct drm_device *dev, struct drm_encoder *enc,
>   
>   	drm_connector_helper_add(&dpu_wb_conn->base.base, &dpu_wb_conn_helper_funcs);
>   
> -	/* DPU initializes the encoder and sets it up completely for writeback
> -	 * cases and hence should use the new API drm_writeback_connector_init_with_encoder
> -	 * to initialize the writeback connector
> -	 */
> -	rc = drm_writeback_connector_init_with_encoder(dev, &dpu_wb_conn->base, enc,
> -			&dpu_wb_conn_funcs, format_list, num_formats);
> +	rc = drmm_writeback_connector_init(dev, &dpu_wb_conn->base,
> +					   &dpu_wb_conn_funcs, enc,
> +					   format_list, num_formats);
>   
>   	if (!rc)
>   		dpu_wb_conn->wb_enc = enc;
> 

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