Re: [PATCH v2 14/15] drm/mediatek: Add support for multiple mmsys in the one mediatek-drm driver

[CK Hu (胡俊光)]

On Fri, 2025-03-21 at 17:33 +0800, paul-pl.chen wrote:
> From: Nancy Lin <nancy.lin@xxxxxxxxxxxx>
> 
> To support multiple mmsys instances in the one mediatek-drm instance,
> providing improved flexibility and scalability by the following changes:
> 
> 1. Add DDP_COMPONENT_DRM_OVLSYS_ADAPTOR* to probe the
>   ovlsys_adaptor drivers and support different mmsys composition.
> 2. Added new component types MTK_DISP_VIRTUAL to support the
>   routing to virtual display components.
> 3. Added and adjusted the existed structure or interface to extend
>   the support of multiple mmsys instances.
> 4. Modified the component matching and binding logic to support
>   multiple mmsys instances.
> 
> Signed-off-by: Nancy Lin <nancy.lin@xxxxxxxxxxxx>
> Signed-off-by: Paul-pl Chen <paul-pl.chen@xxxxxxxxxxxx>
> ---

[snip]

>  
> +enum mtk_drm_mmsys {
> +	DISPSYS0,
> +	DISPSYS1,
> +	OVLSYS0,
> +	OVLSYS1,
> +	MAX_MMSYS,
> +};

Let ovlsys sub driver control OVLSYS0 and OVLSYS1, so mediatek drm driver would not see them and this patch is not necessary.

Regards,
CK