From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A6FEFF327B2 for ; Tue, 21 Apr 2026 07:09:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E60B710E805; Tue, 21 Apr 2026 07:09:48 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=lontium.com header.i=@lontium.com header.b="quLWxoWR"; dkim-atps=neutral Received: from out28-4.mail.aliyun.com (out28-4.mail.aliyun.com [115.124.28.4]) by gabe.freedesktop.org (Postfix) with ESMTPS id D444410E0DC for ; Mon, 20 Apr 2026 06:16:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lontium.com; s=default; t=1776665808; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=joljCzzpQ3BWVjBWEzq/YmymQ3S+YGNeTfY7syNIJMk=; b=quLWxoWRwvPmXytI8ylnUE9j2FRkcmBEyrNHWzTa3sOmMP9r+NkgSDQdWPqIflOa2xBQxgXcoURP8td2fT9zkEWAZlDqG5TxJCQ/SqlSxKEJg1iwYkoh6+evt+pvou84EZ4MnWmfZpS4VxO8tddXa573xlR/Fqa5qdYX/SfTJwPirpK/cz2x7QHSOPWl6Q3V3mypHN8SC7PUI8ZwrUk04EULFxN+FJJxOcvuTXXzeIF2mBQungCM6q0CO0cJsWAv3OBbm5HnGMa/JLh20JbtSRlN886c7BNMfL+Tq0giw2pxDqVoR6Cxn/iVNZQuW5Ym2+zd/PgqO42qhP3vvnsWOw== X-Alimail-AntiSpam: AC=CONTINUE; BC=0.08217578|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.00760056-0.000148186-0.992251; FP=3247150432297668347|0|0|0|0|-1|-1|-1; HT=maildocker-contentspam033032053168; MF=syyang@lontium.com; NM=1; PH=DS; RN=19; RT=19; SR=0; TI=SMTPD_---.hFz0LsH_1776665805; Received: from DESKTOP-V2MKAT2.localdomain(mailfrom:syyang@lontium.com fp:SMTPD_---.hFz0LsH_1776665805 cluster:ay29) by smtp.aliyun-inc.com; Mon, 20 Apr 2026 14:16:46 +0800 From: syyang@lontium.com To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andrzej.hajda@intel.com, neil.armstrong@linaro.org, dmitry.baryshkov@oss.qualcomm.com, maarten.lankhorst@linux.intel.com, rfoss@kernel.org, mripard@kernel.org Cc: Laurent.pinchart@ideasonboard.com, tzimmermann@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, yangsunyun1993@gmail.com, xmzhu@lontium.corp-partner.google.com, Sunyun Yang Subject: [PATCH v3 0/2] Add LT9611C(EX/UXD) DRM bridge driver and device tree Date: Mon, 20 Apr 2026 14:16:42 +0800 Message-Id: <20260420061644.1251070-1-syyang@lontium.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Tue, 21 Apr 2026 07:09:47 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Sunyun Yang This series adds support for the Lontium LT9611C(EX/UXD) MIPI DSI to HDMI chip: -dt-bindings: bridge: This patch adds new content to the lontium,lt9611.yaml binding file. -drm/bridge: This patch add new DRM bridge driver for LT9611C(EX/UXD) chip. Signed-off-by: Sunyun Yang --- Changes in v3: -dt-binding: 1. lt9611c(ex/uxd) content merged into lontium,lt9611.yaml -drm/bridge: 1. Drop the licence text, only use SPDX header 2. Sort the headers 3. Use library functions for crc8 4. Drop i2c_read_byte and i2c_write_byte 5. Lowercase all hex values 6. Use paged writes as implemented for LT9611C(EX/UXD) 7. Drop dev_info, use dev_dbg 8. Modify lt9611c_get_edid_block, don't store EDID in the long-term structures 9. Use HDMI audio helpers. 10.Remove unnecessary flags,Implement proper cleanup path, unwinding resources one by one. 11.Replace devm_kzalloc with devm_drm_bridge_alloc. 12.Remove extra kthread. -Link to v1: https://lore.kernel.org/lkml/20250903123825.1721443-1-syyang@lontium.com/ Changes in v2: 1. Forget modify code, operation error, Please disregard this submit. Changes in v1: -dt-binding: 1. Submit the first version of the code. -drm/bridge: 1. Submit the first version of the code. --- Sunyun Yang (2): dt-bindings: bridge: This patch adds new content to the lontium,lt9611.yaml binding file drm/bridge: This patch add new DRM bridge driver for LT9611C chip .../display/bridge/lontium,lt9611.yaml | 8 +- drivers/gpu/drm/bridge/Kconfig | 18 + drivers/gpu/drm/bridge/Makefile | 1 + drivers/gpu/drm/bridge/lontium-lt9611c.c | 1365 +++++++++++++++++ 4 files changed, 1390 insertions(+), 2 deletions(-) create mode 100755 drivers/gpu/drm/bridge/lontium-lt9611c.c -- 2.34.1