On Thu, Nov 03, 2022 at 11:26:05AM +0800, Nancy.Lin wrote:
[..]
> --- /dev/null
> +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.h
[..]
> +void mtk_ethdr_unregister_vblank_cb(struct device *dev);
> +void mtk_ethdr_enable_vblank(struct device *dev);
> +void mtk_ethdr_disable_vblank(struct device *dev);
>
ETHDR is a part of ovl_adaptor.
ETHDR is designed for HDR video and graphics conversion in the external
display path. It handles multiple HDR input types and performs tone
mapping, color space/color format conversion, and then combine
different layers, output the required HDR or SDR signal to the
s
