From: Tzung-Bi Shih <tzungbi@kernel.org>
To: Stephen Boyd <swboyd@chromium.org>
Cc: chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org,
patches@lists.linux.dev, devicetree@vger.kernel.org,
Douglas Anderson <dianders@chromium.org>,
Pin-yen Lin <treapking@chromium.org>,
Andrzej Hajda <andrzej.hajda@intel.com>,
Benson Leung <bleung@chromium.org>,
Conor Dooley <conor+dt@kernel.org>,
Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@gmail.com>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
dri-devel@lists.freedesktop.org,
Guenter Roeck <groeck@chromium.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Jonas Karlman <jonas@kwiboo.se>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Lee Jones <lee@kernel.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Prashant Malani <pmalani@chromium.org>,
Robert Foss <rfoss@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Daniel Scally <djrscally@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Ivan Orlov <ivan.orlov0322@gmail.com>,
linux-acpi@vger.kernel.org, linux-usb@vger.kernel.org,
Mika Westerberg <mika.westerberg@linux.intel.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Vinod Koul <vkoul@kernel.org>
Subject: Re: [PATCH v4 16/18] platform/chrome: cros_ec_typec: Add support for signaling DP HPD via drm_bridge
Date: Wed, 4 Sep 2024 09:35:59 +0000 [thread overview]
Message-ID: <Ztgp_8UxEgBCiEMz@google.com> (raw)
In-Reply-To: <20240901040658.157425-17-swboyd@chromium.org>
On Sat, Aug 31, 2024 at 09:06:54PM -0700, Stephen Boyd wrote:
> We can imagine that logically the EC is a device that has some number of
> DisplayPort (DP) connector inputs, some number of USB3 connector inputs,
> and some number of USB type-c connector outputs. If you squint enough it
> looks like a USB type-c dock. Logically there's a crossbar pin
> assignment capability within the EC that can assign USB and DP lanes to
> USB type-c lanes in the connector (i.e. USB type-c pin configurations).
> In reality, the EC is a microcontroller that has some TCPCs and
> redrivers connected to it over something like i2c and DP/USB from the AP
> is wired directly to those ICs, not the EC.
>
> [...]
>
> Cc: Prashant Malani <pmalani@chromium.org>
> Cc: Benson Leung <bleung@chromium.org>
> Cc: Tzung-Bi Shih <tzungbi@kernel.org>
> Cc: <chrome-platform@lists.linux.dev>
> Cc: Pin-yen Lin <treapking@chromium.org>
> Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
next prev parent reply other threads:[~2024-09-04 9:36 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-01 4:06 [PATCH v4 00/18] platform/chrome: Add DT USB/DP muxing/topology support Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 01/18] drm/atomic-helper: Introduce lane remapping support to bridges Stephen Boyd
2024-09-20 13:41 ` Dmitry Baryshkov
2024-09-01 4:06 ` [PATCH v4 02/18] drm/bridge: Verify lane assignment is going to work during atomic_check Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 03/18] usb: typec: Stub out typec_switch APIs when CONFIG_TYPEC=n Stephen Boyd
2024-09-03 11:40 ` Heikki Krogerus
2024-09-19 10:12 ` Dmitry Baryshkov
2024-09-01 4:06 ` [PATCH v4 04/18] usb: typec: Add device managed typec_mux_register() Stephen Boyd
2024-09-03 11:57 ` Heikki Krogerus
2024-09-01 4:06 ` [PATCH v4 05/18] usb: typec: Add device managed typec_switch_register() Stephen Boyd
2024-09-02 11:22 ` Andy Shevchenko
2024-09-01 4:06 ` [PATCH v4 06/18] drm/bridge: aux-hpd: Support USB Type-C DP altmodes via DRM lane assignment Stephen Boyd
2024-09-02 11:35 ` Andy Shevchenko
2024-09-03 22:20 ` Stephen Boyd
2024-09-04 13:00 ` Andy Shevchenko
2024-09-04 17:17 ` Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 07/18] drm/bridge: dp_typec: Support USB Type-C orientation Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 08/18] drm/bridge: dp_typec: Add "no-hpd" support Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 09/18] drm/bridge: dp_typec: Allow users to hook hpd notify path Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 10/18] devcon property: Document devcon_match_fn_t Stephen Boyd
2024-09-02 11:17 ` Andy Shevchenko
2024-09-03 22:35 ` Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 11/18] device property: Add remote endpoint to devcon matcher Stephen Boyd
2024-09-02 11:12 ` Andy Shevchenko
2024-09-03 22:49 ` Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 12/18] dt-bindings: usb-switch: Extract endpoints to defs Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 13/18] dt-bindings: usb-switch: Extend for DisplayPort altmode Stephen Boyd
2024-09-19 10:40 ` Dmitry Baryshkov
2024-10-10 22:43 ` Stephen Boyd
2024-10-25 6:36 ` Dmitry Baryshkov
2024-09-01 4:06 ` [PATCH v4 14/18] dt-bindings: Move google,cros-ec-typec binding to usb Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 14/18] dt-bindings: Move google, cros-ec-typec " Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 15/18] dt-bindings: usb: Add ports to google,cros-ec-typec for DP altmode Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 15/18] dt-bindings: usb: Add ports to google, cros-ec-typec " Stephen Boyd
2024-09-03 15:35 ` [PATCH v4 15/18] dt-bindings: usb: Add ports to google,cros-ec-typec " Lee Jones
2024-09-20 9:38 ` Dmitry Baryshkov
2024-10-23 1:15 ` Stephen Boyd
2024-10-25 10:49 ` Dmitry Baryshkov
2024-10-29 20:15 ` Stephen Boyd
2024-10-31 18:42 ` Dmitry Baryshkov
2024-10-31 21:45 ` Stephen Boyd
2024-10-31 22:54 ` Dmitry Baryshkov
2024-11-08 0:28 ` Stephen Boyd
2024-11-09 7:05 ` Dmitry Baryshkov
2024-11-12 2:16 ` Stephen Boyd
2024-11-15 17:17 ` Dmitry Baryshkov
2024-11-20 1:09 ` Stephen Boyd
2024-11-21 22:59 ` Dmitry Baryshkov
2024-12-03 23:50 ` Stephen Boyd
2024-12-05 18:47 ` Dmitry Baryshkov
2024-12-11 21:11 ` Stephen Boyd
2024-12-11 21:16 ` Dmitry Baryshkov
2024-12-11 21:21 ` Stephen Boyd
2024-09-01 4:06 ` [PATCH v4 16/18] platform/chrome: cros_ec_typec: Add support for signaling DP HPD via drm_bridge Stephen Boyd
2024-09-04 9:35 ` Tzung-Bi Shih [this message]
2024-09-01 4:06 ` [PATCH v4 17/18] platform/chrome: cros_ec_typec: Support DP muxing Stephen Boyd
2024-09-04 9:36 ` Tzung-Bi Shih
2024-09-01 4:06 ` [PATCH v4 18/18] platform/chrome: cros_ec_typec: Handle lack of HPD information Stephen Boyd
2024-09-04 9:36 ` Tzung-Bi Shih
2024-09-04 21:45 ` Stephen Boyd
2024-09-06 8:18 ` Tzung-Bi Shih
2024-09-06 23:22 ` Stephen Boyd
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