Re: [PATCH v4 2/2] drm/bridge: Add Lontium LT7911EXC eDP to MIPI DSI bridge

[Dmitry Baryshkov]

On Thu, Apr 30, 2026 at 05:46:12PM +0800, syyang@xxxxxxxxxxx wrote:
> From: Sunyun Yang <syyang@xxxxxxxxxxx>
> 
> The LT7911EXC is an I2C-controlled bridge that Receiver eDP1.4
> and output signal/dual port mipi.

MIPI what? DPI? CSI?

> 
> Signed-off-by: Sunyun Yang <syyang@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/bridge/Kconfig             |  13 +
>  drivers/gpu/drm/bridge/Makefile            |   1 +
>  drivers/gpu/drm/bridge/lontium-lt7911exc.c | 493 +++++++++++++++++++++
>  3 files changed, 507 insertions(+)
>  create mode 100644 drivers/gpu/drm/bridge/lontium-lt7911exc.c
> 
> diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
> index c3209b0f4678..8cff2bf15b09 100644
> --- a/drivers/gpu/drm/bridge/Kconfig
> +++ b/drivers/gpu/drm/bridge/Kconfig
> @@ -132,6 +132,19 @@ config DRM_ITE_IT6505
>  	help
>  	  ITE IT6505 DisplayPort bridge chip driver.
>  
> +config DRM_LONTIUM_LT7911EXC
> +	tristate "Lontium eDP/MIPI bridge"

MIPI DSI

> +	depends on OF
> +	select CRC32
> +	select FW_LOADER
> +	select DRM_PANEL
> +	select DRM_KMS_HELPER
> +	help
> +	  DRM driver for the Lontium LT7911EXC bridge chip.
> +	  The LT7911EXC converts eDP input to single/dual port
> +	  MIPI DSI output.
> +	  Please say Y if you have such hardware.
> +
>  config DRM_LONTIUM_LT8912B
>  	tristate "Lontium LT8912B DSI/HDMI bridge"
>  	depends on OF


With those two fixed:


Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>



-- 
With best wishes
Dmitry