linux-kernel - [PATCH v3 0/5] Add generic-display-mux driver and bindings

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Date:   Sat, 18 Feb 2023 19:17:07 +0800
From:   Pin-yen Lin <treapking@...omium.org>
To:     Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Benson Leung <bleung@...omium.org>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        devicetree@...r.kernel.org,
        Nicolas Boichat <drinkcat@...omium.org>,
        chrome-platform@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Guenter Roeck <groeck@...omium.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-arm-kernel@...ts.infradead.org,
        Pin-yen Lin <treapking@...omium.org>
Subject: [PATCH v3 0/5] Add generic-display-mux driver and bindings

This series is developed for and tested on MT8173 board, and the layout is:

                                  /-- anx7688
-- MT8173 HDMI bridge -- GPIO mux
                                  \-- native HDMI

v2: https://lore.kernel.org/all/20230116110820.2615650-1-treapking@chromium.org/
v1: https://patchwork.kernel.org/project/dri-devel/cover/20191211061911.238393-1-hsinyi@chromium.org/

Changes in v3:
- Removed ddc-i2c-bus in the gpio-mux bridge bindings
- Added .get_edid callback in generic-gpio-mux driver
- Removed .get_edid callback in mtk_hdmi.c
- Modified anx7688 driver and binding to add a .get_edid callback

Changes in v2:
- Referenced existing dt-binding schemas from graph.yaml
- Added ddc-i2c-bus into the bindings
- Dropped attach/mode_set/enable/disable callbacks
- Fixed style issues
- Removed the special case for the HDMI connector
- Made the driver only read the GPIO status in IRQ handler
- Rebased to drm-misc-next
- Update the license: "GPL v2" --> "GPL"

Nicolas Boichat (2):
  dt-bindings: display: bridge: Add GPIO display mux binding
  drm: bridge: Generic GPIO mux driver

Pin-yen Lin (3):
  dt-bindings: display: bridge: Add ddc-i2c-bus for anx7688
  drm/bridge: Add .get_edid callback for anx7688 driver
  drm/mediatek: Remove .get_edid callback

 .../bridge/google,cros-ec-anx7688.yaml        |   5 +
 .../bindings/display/bridge/gpio-mux.yaml     |  90 +++++++
 drivers/gpu/drm/bridge/Kconfig                |  10 +
 drivers/gpu/drm/bridge/Makefile               |   1 +
 drivers/gpu/drm/bridge/cros-ec-anx7688.c      |  24 ++
 drivers/gpu/drm/bridge/generic-gpio-mux.c     | 222 ++++++++++++++++++
 drivers/gpu/drm/mediatek/mtk_hdmi.c           |  53 +----
 7 files changed, 365 insertions(+), 40 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/gpio-mux.yaml
 create mode 100644 drivers/gpu/drm/bridge/generic-gpio-mux.c

-- 
2.39.2.637.g21b0678d19-goog