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Message-ID: <a75c7a7aaac1d851d8943c5c20ac31ee@disroot.org> Date: Tue, 23 Sep 2025 14:31:38 +0000 From: Kaustabh Chakraborty <kauschluss@...root.org> To: Neil Armstrong <neil.armstrong@...aro.org>, Jessica Zhang <quic_jesszhan@...cinc.com>, David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Jessica Zhang <jessica.zhang@....qualcomm.com> Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> Subject: Re: [PATCH v5 0/2] Support for Synaptics TDDI series panels On 2025-09-10 16:25, Kaustabh Chakraborty wrote: It's been over a month without any movements, so another bump. > Hi, > > Bumping to collect some reviews on this series. Thanks! > > On 2025-08-20 14:24, Kaustabh Chakraborty wrote: >> Synaptics' Touch and Display Driver Integration (TDDI) technology [1] >> employs a single chip for both touchscreen and display capabilities. >> Such designs reportedly help reducing costs and power consumption. >> >> Although the touchscreens, which are powered by Synaptics' >> Register-Mapped Interface 4 (RMI4) touch protocol via I2C or SPI have >> driver support in the kernel, the MIPI DSI display panels don't. >> >> This series introduces a rudimentary driver for controlling said >> display >> panels, which supports TD4101 and TD4300 panels. >> >> [1] https://www.synaptics.com/technology/display-integration >> >> Signed-off-by: Kaustabh Chakraborty <kauschluss@...root.org> >> --- >> Changes in v5: >> - added missing Reviewed-by tag from Krzysztof in [v3 1/2] >> - Link to v4: >> https://lore.kernel.org/r/20250819-panel-synaptics-tddi-v4-0-448f466d16a6@disroot.org >> >> Changes in v4: >> - utilized drm_connector_helper_get_modes_fixed() (dmitry.baryshkov) >> - constified backlight properties (dmitry.baryshkov) >> - Link to v3: >> https://lore.kernel.org/r/20250720-panel-synaptics-tddi-v3-0-43a5957f4b24@disroot.org >> >> Changes in v3: >> - fixed various dt_binding_check errors (robh's bot) >> - adjusted commit description of [v2 1/2] (robh) >> - utilized devm_drm_panel_alloc() and devm_regulator_bulk_get_const() >> - Link to v2: >> https://lore.kernel.org/r/20250625-panel-synaptics-tddi-v2-0-7a62ab1d13c7@disroot.org >> >> Changes in v2: >> - fixed various dt_binding_check errors (conor) >> - did s/tddi_update_brightness/tddi_update_status >> - added check for panel enable in tddi_update_status() >> - used backlight_get_brightness() in appropriate places >> - Link to v1: >> https://lore.kernel.org/r/20250612-panel-synaptics-tddi-v1-0-dfb8a425f76c@disroot.org >> >> --- >> Kaustabh Chakraborty (2): >> dt-bindings: display: panel: document Synaptics TDDI panel >> drm: panel: add support for Synaptics TDDI series DSI panels >> >> .../display/panel/synaptics,td4300-panel.yaml | 89 +++++++ >> drivers/gpu/drm/panel/Kconfig | 11 + >> drivers/gpu/drm/panel/Makefile | 1 + >> drivers/gpu/drm/panel/panel-synaptics-tddi.c | 276 >> +++++++++++++++++++++ >> 4 files changed, 377 insertions(+) >> --- >> base-commit: 5303936d609e09665deda94eaedf26a0e5c3a087 >> change-id: 20250523-panel-synaptics-tddi-0b0b3f07f814 >> >> Best regards, >> -- >> Kaustabh Chakraborty <kauschluss@...root.org>
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