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Tue, 21 Jul 2026 05:38:08 -0700 (PDT) Received: from hu-mdsor-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-38e9237cd97sm1576802a91.15.2026.07.21.05.38.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Jul 2026 05:38:07 -0700 (PDT) Date: Tue, 21 Jul 2026 18:07:57 +0530 From: Mohit Dsor To: Krzysztof Kozlowski Cc: Sunyun Yang , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Luca Ceresoli , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, venkata.valluru@oss.qualcomm.com, Jessica Zhang , y@hu-mdsor-hyd.qualcomm.com Subject: Re: [PATCH v7 2/2] drm/bridge: Add Lontium LT9609C(EX/UXD) MIPI DSI to HDMI driver Message-ID: References: <20260716-lt9611c-v7-v7-0-7553a14735fc@oss.qualcomm.com> <20260716-lt9611c-v7-v7-2-7553a14735fc@oss.qualcomm.com> <85505d92-ebe3-4ffd-84e1-8fe26994e053@kernel.org> <767e5a58-3d2e-4f80-bb85-d300757a9dbc@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <767e5a58-3d2e-4f80-bb85-d300757a9dbc@kernel.org> X-Proofpoint-ORIG-GUID: nU9KK3z6GsM8RB20NyyKfewTk2VzDkwu X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIxMDEzNCBTYWx0ZWRfXx/nRhsWU2AF8 /Bg/PcwU6x5cFV29O+zGasn0CDYv8bWJWE+T7ATSg1Flk6x3n0SMyDi5kikIChnFzIrJERC1sVt yy2onDp1CJT+3R8B3/qW1VEK3eIrGcY= X-Proofpoint-GUID: nU9KK3z6GsM8RB20NyyKfewTk2VzDkwu X-Authority-Analysis: v=2.4 cv=Sb7HsPRu c=1 sm=1 tr=0 ts=6a5f6831 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=kj9zAlcOel0A:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=Kz8-B0t5AAAA:8 a=VwQbUJbxAAAA:8 a=EXFPzEZa-quHJTxolLAA:9 a=CjuIK1q_8ugA:10 a=rl5im9kqc5Lf4LNbBjHf:22 a=RuZk68QooNbwfxovefhk:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzIxMDEzNCBTYWx0ZWRfX9x+2Qo25CWRF eMWRsrKaO2lTYjxRgkm5STdpifJZ4bFPGFGcxdhLFe7uV1UW4VjTQr7zceJRbw1hPqBJFSCus6F gwvNPNX+4sqOSmBFY1qGZpyxqoqfIX6lxZOfTq01BkyE+OVvE92bB/AmYPqDuWKQSdXcZO48ZRt HPhU6YCMFHRWfdQo7F2KQBZz7qre8PrGxN4CB/s1szK5kLVK4Haq20RI1VF4Eqi3gCTKgS0ZyMZ vXIfSp1Z3P22T1028ln4cjqG7hmeOjJ8BQ4tlJ3vGuX7x9tnSiHie6Bp3GGBPq+PPw2eRwqddpz p5OiTUaTtnnG1U1YkDumyO5Sygb9dKXCTQ/8oeTNId84XVBmeC5lEySxGwt74nj1NOqAAhnu/d2 VhwNLz+eoXeY2kxu2UVWUzYdfMW59KUGBIauQay7aMVHS5sYB8spolldHNAi1aDS0SYXKWnv8Nr aDX3bMQaIC6FgbP7PCw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-21_01,2026-07-20_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 spamscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 phishscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607210134 On Sat, Jul 18, 2026 at 05:55:18PM +0200, Krzysztof Kozlowski wrote: > On 18/07/2026 13:12, Mohit Dsor wrote: > > On Thu, Jul 16, 2026 at 02:56:02PM +0200, Krzysztof Kozlowski wrote: > >> On 16/07/2026 13:31, mohit.dsor@oss.qualcomm.com wrote: > >>> From: Sunyun Yang > >>> > >>> LT9611C(EX/UXD) is an I2C-controlled chip that Receiver signal/dual port > >>> mipi dsi and output hdmi, differences in hardware features: > >>> - LT9611C: supports 1-port mipi dsi to hdmi 1.4 > >>> - LT9611EX: supports 2-port mipi dsi to hdmi 1.4 > >>> - LT9611UXD: supports 2-port mipi dsi to hdmi 1.4/2.0 > >>> > >>> Signed-off-by: Sunyun Yang > >>> Co-developed-by: Mohit Dsor > >>> Signed-off-by: Mohit Dsor > >>> --- > >>> MAINTAINERS | 7 + > >>> drivers/gpu/drm/bridge/Kconfig | 18 + > >>> drivers/gpu/drm/bridge/Makefile | 1 + > >>> drivers/gpu/drm/bridge/lontium-lt9611c.c | 1293 ++++++++++++++++++++++++++++++ > >>> 4 files changed, 1319 insertions(+) > >>> > >>> diff --git a/MAINTAINERS b/MAINTAINERS > >>> index 6dea93a41962..30be2eaf2bec 100644 > >>> --- a/MAINTAINERS > >>> +++ b/MAINTAINERS > >>> @@ -15184,6 +15184,13 @@ S: Maintained > >>> F: Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml > >>> F: drivers/gpu/drm/bridge/lontium-lt8912b.c > >>> > >>> +LONTIUM LT9611C MIPI DSI TO HDMI BRIDGE > >>> +M: Sunyun Yang > >>> +M: Mohit Dsor > >>> +S: Maintained > >>> +F: Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml > >>> +F: drivers/gpu/drm/bridge/lontium-lt9611c.c > >>> + > >>> LOONGARCH > >>> M: Huacai Chen > >>> R: WANG Xuerui > >>> diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig > >>> index 4a57d49b4c6d..b8959b8e2ad0 100644 > >>> --- a/drivers/gpu/drm/bridge/Kconfig > >>> +++ b/drivers/gpu/drm/bridge/Kconfig > >>> @@ -177,6 +177,24 @@ config DRM_LONTIUM_LT9611 > >>> HDMI signals > >>> Please say Y if you have such hardware. > >>> > >>> +config DRM_LONTIUM_LT9611C > >>> + tristate "Lontium LT9611C DSI/HDMI bridge" > >>> + select SND_SOC_HDMI_CODEC if SND_SOC > >>> + depends on OF > >>> + select CRC8 > >>> + select FW_LOADER > >>> + select DRM_PANEL_BRIDGE > >>> + select DRM_KMS_HELPER > >>> + select DRM_MIPI_DSI > >>> + select DRM_DISPLAY_HELPER > >>> + select DRM_DISPLAY_HDMI_STATE_HELPER > >>> + select REGMAP_I2C > >>> + help > >>> + Driver for Lontium DSI to HDMI bridge > >>> + chip driver that converts dual DSI and I2S to > >>> + HDMI signals > >>> + Please say Y if you have such hardware. > >> > >> Please wrap the code to appropriate limits. > > I checked the others in Kconfigs they appear to be similar, > > still i will try to fix it. > > This is nowhere close to the limit expressed by coding style. I will fix this. > > Best regards, > Krzysztof