linux-kernel - Re: [PATCH v10 0/9] Register Type-C mode-switch in DP bridge endpoints

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Date:   Thu, 12 Jan 2023 06:34:52 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Pin-yen Lin <treapking@...omium.org>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <robert.foss@...aro.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>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Prashant Malani <pmalani@...omium.org>,
        Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>
Cc:     Stephen Boyd <swboyd@...omium.org>,
        Nícolas F . R . A . Prado 
        <nfraprado@...labora.com>, Marek Vasut <marex@...x.de>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Javier Martinez Canillas <javierm@...hat.com>,
        Lyude Paul <lyude@...hat.com>, chrome-platform@...ts.linux.dev,
        Xin Ji <xji@...logixsemi.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        linux-kernel@...r.kernel.org, Allen Chen <allen.chen@....com.tw>,
        linux-acpi@...r.kernel.org, Hsin-Yi Wang <hsinyi@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Imre Deak <imre.deak@...el.com>,
        Jani Nikula <jani.nikula@...el.com>,
        José Expósito <jose.exposito89@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Ville Syrjälä <ville.syrjala@...ux.intel.com>,
        shaomin Deng <dengshaomin@...rlc.com>
Subject: Re: [PATCH v10 0/9] Register Type-C mode-switch in DP bridge
 endpoints

On 12/01/2023 06:20, Pin-yen Lin wrote:
> 
> This series introduces bindings for anx7625/it6505 to register Type-C
> mode-switch in their output endpoints, and use data-lanes property to
> describe the pin connections.

Please cc everybody on all patches. Having received just a single patch 
made me spend time on having to look them up on lore.

> 
> The first two patch modifies fwnode_graph_devcon_matches and
> cros_typec_init_ports to enable the registration of the switches.
> 
> Patch 4~6 introduce the bindings for anx7625 and the corresponding driver
> modifications.
> 
> Patch 7~9 add similar bindings and driver changes for it6505.
> 
> v9: https://lore.kernel.org/all/20230109084101.265664-1-treapking@chromium.org/
> v8: https://lore.kernel.org/all/20230107102231.23682-1-treapking@chromium.org/
> v7: https://lore.kernel.org/all/20230105132457.4125372-1-treapking@chromium.org/
> v6: https://lore.kernel.org/all/20221124102056.393220-1-treapking@chromium.org/
> v5: https://lore.kernel.org/linux-usb/20220622173605.1168416-1-pmalani@chromium.org/
> 
> Changes in v10:
> - Collected Reviewed-by and Tested-by tags
> - Replaced "void *" with "typec_mux_set_fn_t" for mux_set callbacks
> - Print out the node name when errors on parsing DT
> - Use dev_dbg instead of dev_warn when no Type-C switch nodes available
> - Made the return path of drm_dp_register_mode_switch clearer
> - Added a TODO for implementing orientation switch for anx7625
> - Updated the commit message for the absence of orientation switch
> - Fixed typo in the commit message
> 
> Changes in v9:
> - Collected Reviewed-by tag
> - Fixed subject prefix again
> - Changed the naming of the example node for it6505
> 
> Changes in v8:
> - Fixed the build issue when CONFIG_TYPEC=m
> - Fixed some style issues
> - Fixed the subject prefixes for the bindings patch
> - Fixed the bindings for data-lanes properties
> 
> Changes in v7:
> - Fix the long comment lines
> - Extracted the common codes to a helper function
> - Fixed style issues in anx7625 driver
> - Removed DT property validation in anx7625 driver.
> - Fixed style issues in it6505 driver
> - Removed the redundant sleep in it6505 driver
> - Removed DT property validation in it6505 driver
> - Rebased to drm-misc-next
> - Fixed indentations in bindings patches
> - Added a new patch to fix indentations in Kconfig
> 
> Changes in v6:
> - Changed it6505_typec_mux_set callback function to accommodate with
>    the latest drm-misc patches
> - Changed the driver implementation to accommodate with the new binding
> - Dropped typec-switch binding and use endpoints and data-lanes properties
>    to describe the pin connections
> - Added new patches (patch 1,2,4) to fix probing issues
> - Changed the bindings of it6505/anx7625 and modified the drivers
>    accordingly
> - Merged it6505/anx7625 driver changes into a single patch
> 
> Pin-yen Lin (7):
>    drm/display: Add Type-C switch helpers
>    dt-bindings: display: bridge: anx7625: Add mode-switch support
>    drm/bridge: anx7625: Check for Type-C during panel registration
>    drm/bridge: anx7625: Register Type C mode switches
>    dt-bindings: display: bridge: it6505: Add mode-switch support
>    drm/bridge: it6505: Fix Kconfig indentation
>    drm/bridge: it6505: Register Type C mode switches
> 
> Prashant Malani (2):
>    device property: Add remote endpoint to devcon matcher
>    platform/chrome: cros_ec_typec: Purge blocking switch devlinks
> 
>   .../display/bridge/analogix,anx7625.yaml      |  99 ++++++++++++-
>   .../bindings/display/bridge/ite,it6505.yaml   |  93 ++++++++++--
>   drivers/base/property.c                       |  15 ++
>   drivers/gpu/drm/bridge/Kconfig                |  21 +--
>   drivers/gpu/drm/bridge/analogix/Kconfig       |   1 +
>   drivers/gpu/drm/bridge/analogix/anx7625.c     | 105 +++++++++++++-
>   drivers/gpu/drm/bridge/analogix/anx7625.h     |  13 ++
>   drivers/gpu/drm/bridge/ite-it6505.c           | 119 +++++++++++++++-
>   drivers/gpu/drm/display/drm_dp_helper.c       | 134 ++++++++++++++++++
>   drivers/platform/chrome/cros_ec_typec.c       |  10 ++
>   include/drm/display/drm_dp_helper.h           |  17 +++
>   11 files changed, 598 insertions(+), 29 deletions(-)
> 

-- 
With best wishes
Dmitry