From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D5951F1302; Tue, 23 Sep 2025 14:31:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758637910; cv=none; b=r5WAsnLKsvWqYBnLMhTD8/BZSFr3aXriiKVc5GLYamBDYywhbjKrGSrNAqKxWLgm5jRBa6Ot8SFIVLzyxGsBF5Kd+s82MqQT7QHKsd8tSZfdrtXPS1g4ixZFbLrI9TBoDC44IvNK3W8I7h+5H2l3/b7hslF0G2PzKEH/AeAouBM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758637910; c=relaxed/simple; bh=UIE9q5knFnkbWEcoDAhbnZcYbrZ6c1wOHFYsGRe+8KY=; h=MIME-Version:Date:From:To:Cc:Subject:In-Reply-To:References: Message-ID:Content-Type; b=AF+dsz9vOKclTBme+9r/JvCcRuxFeUzOSQASdu5a32z7F6Xo1oaX2Zeo5YMjDKH25YMxxGGqvRtUSoO+CeBMReEgGsSQ1HKSOvnVrp3cghqmkANq2o4GL/+0TeOvJTQCBzWI8E7PMjRAbHNRsUI4QRNPq3islA726D1aWL8HPng= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=Ce2sOG2J; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="Ce2sOG2J" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id EE06425DBC; Tue, 23 Sep 2025 16:31:39 +0200 (CEST) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id dCFc-A-Ltmn4; Tue, 23 Sep 2025 16:31:39 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1758637899; bh=UIE9q5knFnkbWEcoDAhbnZcYbrZ6c1wOHFYsGRe+8KY=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=Ce2sOG2Jc2x6MDAuw/bJRIMXtvmfP23c1X+i+vjgjLEN/bNAgz2o7U4/z2Em5XHNB nDQOkVk2j8ey81idbXc+buqkLW9f3wI6jf2eKT6z8+wdt9LfMzLfdXCZlR0XPOai4c T2kp/AtwIaEjyUIbdXBQlWLm1d8j0LRQuCakS4eKfcZtbzzFmj8veg6YELLaq28MuW XgPAFVz3dQRm0o47IJ9VnT5056FAEuYVUulBRFeSTxipOftWblVAzBk7h+Qor6SGl2 yHqoMO/GAsWHQu42uoWeK/1EJjaFFWVW87X3K53DhnmNYTzmYcmPhqtKry/7suRJo/ N7LSX88stClLw== Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Tue, 23 Sep 2025 14:31:38 +0000 From: Kaustabh Chakraborty To: Neil Armstrong , Jessica Zhang , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jessica Zhang Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski Subject: Re: [PATCH v5 0/2] Support for Synaptics TDDI series panels In-Reply-To: <38e3a32db8402c1cbf3dc2fdf9f04ac3@disroot.org> References: <20250820-panel-synaptics-tddi-v5-0-d4e3fd4987c6@disroot.org> <38e3a32db8402c1cbf3dc2fdf9f04ac3@disroot.org> Message-ID: X-Sender: kauschluss@disroot.org Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit 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 >> --- >> 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