linux-kernel - [PATCH v9 0/4] Separate panel orientation property creating and value setting

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Date:   Fri, 18 Mar 2022 15:48:21 +0800
From:   Hsin-Yi Wang <hsinyi@...omium.org>
To:     dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, amd-gfx@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Sean Paul <sean@...rly.run>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Simon Ser <contact@...rsion.fr>,
        Harry Wentland <harry.wentland@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Emil Velikov <emil.l.velikov@...il.com>,
        Hans de Goede <hdegoede@...hat.com>
Subject: [PATCH v9 0/4] Separate panel orientation property creating and value setting

Some drivers, eg. mtk_drm and msm_drm, rely on the panel to set the
orientation. Panel calls drm_connector_set_panel_orientation() to create
orientation property and sets the value. However, connector properties
can't be created after drm_dev_register() is called. The goal is to
separate the orientation property creation, so drm drivers can create it
earlier before drm_dev_register().

After this series, drm_connector_set_panel_orientation() works like
before, so it won't affect other drm drivers. The only difference is that
some drm drivers can call drm_connector_init_panel_orientation_property()
earlier.

Hsin-Yi Wang (4):
  gpu: drm: separate panel orientation property creating and value
    setting
  drm/mediatek: init panel orientation property
  drm/msm: init panel orientation property
  arm64: dts: mt8183: Add panel rotation

 .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi |  1 +
 drivers/gpu/drm/drm_connector.c               | 58 ++++++++++++++-----
 drivers/gpu/drm/mediatek/mtk_dsi.c            |  7 +++
 drivers/gpu/drm/msm/dsi/dsi_manager.c         |  4 ++
 include/drm/drm_connector.h                   |  2 +
 5 files changed, 59 insertions(+), 13 deletions(-)

-- 
2.35.1.894.gb6a874cedc-goog