[PATCH v22 20/24] drm/mediatek: add ovl_adaptor support for MT8195

[Rex-BC Chen]

On Thu, 2022-05-26 at 19:02 +0800, Nancy.Lin wrote:
> Add ovl_adaptor driver for MT8195.
> Ovl_adaptor is an encapsulated module and designed for simplified
> DRM control flow. This module is composed of 8 RDMAs, 4 MERGEs and
> an ETHDR. Two RDMAs merge into one layer, so this module support 4
> layers.
> 
> Signed-off-by: Nancy.Lin <nancy.lin at mediatek.com>
> Reviewed-by: Chun-Kuang Hu <chunkuang.hu at kernel.org>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno at collabora.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>