[PATCH v22 22/24] drm/mediatek: modify mediatek-drm for mt8195 multi mmsys support

[Rex-BC Chen]

On Thu, 2022-05-26 at 19:02 +0800, Nancy.Lin wrote:
> MT8195 have two mmsys. Modify drm for MT8195 multi-mmsys support.
> The two mmsys (vdosys0 and vdosys1) will bring up two drm drivers,
> only one drm driver register as the drm device.
> Each drm driver binds its own component. The last bind drm driver
> allocates and registers the drm device to drm core.
> Each crtc path is created with the corresponding drm driver data.
> 
> Signed-off-by: Nancy.Lin <nancy.lin at mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno at collabora.com>
> Reviewed-by: CK Hu <ck.hu at mediatek.com>
> Tested-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno at collabora.com>
> ---
>  

[Bo-Chen: Test on MT8195 Tomato Chromebook with external display]
Tested-by: Bo-Chen Chen <rex-bc.chen at mediatek.com>