[PATCH] drm/bridge: lt9611uxc: add support for 4K at 30 resolution

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Fri Aug 1 17:41:55 UTC 2025


On Tue, Jul 29, 2025 at 07:00:30PM +0530, Nilesh Laad wrote:
> Add 3840x2160 at 30 mode in lt9611uxc modes to add support for
> 4K at 30 resolution.
> 
> Signed-off-by: Nilesh Laad <nilesh.laad at oss.qualcomm.com>
> ---
>  drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> index cfe389b4c25c..ac53da6c9711 100644
> --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
> @@ -100,6 +100,7 @@ struct lt9611uxc_mode {
>   * Enumerate them here to check whether the mode is supported.
>   */
>  static struct lt9611uxc_mode lt9611uxc_modes[] = {
> +	{ 3840, 4400, 2160, 2250, 30 },

This should only be applicable if both DSI links are used.

>  	{ 1920, 2200, 1080, 1125, 60 },
>  	{ 1920, 2200, 1080, 1125, 30 },
>  	{ 1920, 2640, 1080, 1125, 25 },
> 
> ---
> base-commit: 9744cbe3603db5dbd6e63da9c3bed8df68a6d3ba
> change-id: 20250729-lt9611uxc-4k30-6175bb8a0570
> prerequisite-message-id: 20250725-lt9611uxc-modes-v1-1-6a13b181927d at oss.qualcomm.com
> prerequisite-patch-id: 6c7107d0c8810b85d722fd32e45f736fff81860b
> 
> Best regards,
> --  
> Nilesh Laad <nilesh.laad at oss.qualcomm.com>
> 

-- 
With best wishes
Dmitry


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