[PATCH v4 18/19] drm/mediatek: Add support for multiple mmsys in the one mediatek-drm driver
CK Hu (胡俊光)
ck.hu at mediatek.com
Mon Sep 15 20:11:13 PDT 2025
On Thu, 2025-08-28 at 16:07 +0800, Paul Chen wrote:
> From: Nancy Lin <nancy.lin at mediatek.com>
>
> 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 at mediatek.com>
> Signed-off-by: Paul-pl Chen <paul-pl.chen at mediatek.com>
> ---
[snip]
> ret = mtk_ddp_comp_find_in_route(dev,
> diff --git a/drivers/gpu/drm/mediatek/mtk_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_ddp_comp.h
> index cba996f99dd7..37e3f4e7b28c 100644
> --- a/drivers/gpu/drm/mediatek/mtk_ddp_comp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_ddp_comp.h
> @@ -40,6 +40,7 @@ enum mtk_ddp_comp_type {
> MTK_DISP_PWM,
> MTK_DISP_RDMA,
> MTK_DISP_UFOE,
> + MTK_DISP_VIRTUAL,
> MTK_DISP_WDMA,
> MTK_DPI,
> MTK_DP_INTF,
> @@ -47,6 +48,7 @@ enum mtk_ddp_comp_type {
> MTK_OVL_BLENDER,
> MTK_OVL_EXDMA,
> MTK_OVL_OUTPROC,
> + MTK_VDISP_AO,
No component type is MTK_VDISP_AO, so drop this.
Regards,
CK
> MTK_DDP_COMP_TYPE_MAX,
> };
>
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