Re: [PATCH v7 2/2] drm/bridge: Add Lontium LT9609C(EX/UXD) MIPI DSI to HDMI driver

[Mohit Dsor <mohit.dsor@oss.qualcomm.com>]

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 <syyang@lontium.com>
> >>>
> >>> 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 <syyang@lontium.com>
> >>> Co-developed-by: Mohit Dsor <mohit.dsor@oss.qualcomm.com>
> >>> Signed-off-by: Mohit Dsor <mohit.dsor@oss.qualcomm.com>
> >>> ---
> >>>  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 <syyang@lontium.com>
> >>> +M:	Mohit Dsor <mohit.dsor@oss.qualcomm.com>
> >>> +S:	Maintained
> >>> +F:	Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml
> >>> +F:	drivers/gpu/drm/bridge/lontium-lt9611c.c
> >>> +
> >>>  LOONGARCH
> >>>  M:	Huacai Chen <chenhuacai@kernel.org>
> >>>  R:	WANG Xuerui <kernel@xen0n.name>
> >>> 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