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Message-Id: <20250801-wb-drop-encoder-v1-0-824646042f7d@oss.qualcomm.com>
Date: Fri, 01 Aug 2025 16:51:08 +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 0/8] drm: writeback: clean up writeback connector
 initialization

Drivers using drm_writeback_connector_init() / _with_encoder() don't
perform cleanup in a manner similar to drmm_writeback_connector_init()
(see drm_writeback_connector_cleanup()). Migrate all existing drivers
to use drmm_writeback_connector_init(), drop
drm_writeback_connector_init() and drm_writeback_connector::encoder
(it's unused afterwards).

This series leaves former drm_writeback_connector_init_with_encoder()
(renamed to drm_writeback_connector_init as a non-managed counterpart
for drmm_writeback_connector_init()). It is supposed to be used by
drivers which can not use drmm functions (like Intel). However I think
it would be better to drop it completely.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
Dmitry Baryshkov (8):
      drm/amd/display: use drmm_writeback_connector_init()
      drm/komeda: use drmm_writeback_connector_init()
      drm/mali: use drmm_writeback_connector_init()
      drm/msm/dpu: use drmm_writeback_connector_init()
      drm/msm/dpu: use drmm_writeback_connector_init()
      drm/vc4: use drmm_writeback_connector_init()
      drm: writeback: drop excess connector initialization functions
      drm: writeback: rename drm_writeback_connector_init_with_encoder()

 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c  |  2 +-
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c   | 18 ++++--
 .../drm/arm/display/komeda/komeda_wb_connector.c   | 30 ++++++----
 drivers/gpu/drm/arm/malidp_mw.c                    | 25 ++++----
 drivers/gpu/drm/drm_writeback.c                    | 69 +++-------------------
 drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c      | 10 +---
 .../gpu/drm/renesas/rcar-du/rcar_du_writeback.c    | 23 +++++---
 drivers/gpu/drm/vc4/vc4_txp.c                      |  9 ++-
 include/drm/drm_writeback.h                        | 22 +------
 9 files changed, 77 insertions(+), 131 deletions(-)
---
base-commit: 94f208ff622b09309358abaf26d7acca0c318fae
change-id: 20250801-wb-drop-encoder-97a0c75bd5d7

Best regards,
-- 
With best wishes
Dmitry


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