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

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Message-Id: <20250801-wb-drop-encoder-v1-6-824646042f7d@oss.qualcomm.com>
Date: Fri, 01 Aug 2025 16:51:14 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: 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: [PATCH 6/8] drm/vc4: use drmm_writeback_connector_init()

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>
---
 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;
 

-- 
2.39.5