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Mon, 20 Apr 2026 03:45:41 -0700 (PDT) X-Received: by 2002:a17:903:1a88:b0:2b2:4c92:c389 with SMTP id d9443c01a7336-2b5f9fe62femr142505345ad.34.1776681940640; Mon, 20 Apr 2026 03:45:40 -0700 (PDT) MIME-Version: 1.0 References: <20260420061644.1251070-1-syyang@lontium.com> In-Reply-To: <20260420061644.1251070-1-syyang@lontium.com> From: Dmitry Baryshkov Date: Mon, 20 Apr 2026 13:45:28 +0300 X-Gm-Features: AQROBzCoPw50l9Eoh8SJoFxfLCMiu3F2VqJVupemyBK5G7servJzS1gldue1GlI Message-ID: Subject: Re: [PATCH v3 0/2] Add LT9611C(EX/UXD) DRM bridge driver and device tree To: syyang@lontium.com Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andrzej.hajda@intel.com, neil.armstrong@linaro.org, maarten.lankhorst@linux.intel.com, rfoss@kernel.org, mripard@kernel.org, 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 Content-Type: text/plain; charset="UTF-8" X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIwMDEwNCBTYWx0ZWRfX9rik9mCsHV30 F+lIvkw6jnhJR257mfwTnrz7qam+sbMFmBrknstyWs+7VCu5WyoGa4S3uX0FNBiudZpB94LPhW+ iwC83+chYBpPgxCnJs5nd2Ov6wbNQPcqdNJjACXrI2aKl8Nka5QtDtSOrlEw89L2sC8oS3JyRw4 tXzTs9TdxEEu8n/Akh1S91ifgJwDM1jIJCXErgqCVNFcV6cyp6WKcYsGw2cjPUcef31cL6YZtxd A+TBTy1NvLwF2cWIDUT7u7mWThGgKqu4HQ0NmhATZpA3nR/szUubs+FJqkN8RslghqsTs5rkJJW 5F3Rsx1IWE8yOl9A3a8YQQdUfV+0xT4JCDiHCNojRvcSpQvR3eqBiz5k+yhdIdg78wapZfl60Ve MD/o+FjpQXrdAblh3q/LbzjeOiOIp9JeB3/Z4rdIsjRtLWrD3YUe/PXaRpFW4XuSY7ACAGOPpFx PBTyz7Aa63l6H1zfPEQ== X-Authority-Analysis: v=2.4 cv=D6B37PRj c=1 sm=1 tr=0 ts=69e603d6 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=VwQbUJbxAAAA:8 a=Kz8-B0t5AAAA:8 a=JWicuObQ_znxCAsEpPMA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 a=RuZk68QooNbwfxovefhk:22 X-Proofpoint-ORIG-GUID: wLiZrVmY6nZcURtAjG91WgzS5diQqmWB X-Proofpoint-GUID: wLiZrVmY6nZcURtAjG91WgzS5diQqmWB X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-20_02,2026-04-17_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 bulkscore=0 adultscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 priorityscore=1501 impostorscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604200104 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" On Mon, 20 Apr 2026 at 09:16, wrote: > > 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 Once again. Your messages are not reaching the dri-devel mailing list. Please fix your SMTP configuration or start using B4 tool and B4 Web Relay for sending patches. Most developers wouldn't even see these emails as they haven't reached dri-devel. > --- > 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 > -- With best wishes Dmitry