linux-kernel - Re: [PATCH v14 15/22] drm/mediatek: add ETHDR support for MT8195

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Message-ID: <85e126f5-b90f-c78f-5ae4-3757b6bc4b7a@collabora.com>
Date:   Thu, 10 Mar 2022 11:52:52 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     "Nancy.Lin" <nancy.lin@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>, wim@...ux-watchdog.org,
        linux@...ck-us.net
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        "jason-jh . lin" <jason-jh.lin@...iatek.com>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, llvm@...ts.linux.dev,
        singo.chang@...iatek.com, srv_heupstream@...iatek.com,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v14 15/22] drm/mediatek: add ETHDR support for MT8195

Il 10/03/22 04:55, Nancy.Lin ha scritto:
> 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
> subsequent display path.
> 
> Signed-off-by: Nancy.Lin <nancy.lin@...iatek.com>
> Reviewed-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

> ---
>   drivers/gpu/drm/mediatek/Makefile      |   1 +
>   drivers/gpu/drm/mediatek/mtk_drm_drv.c |   1 +
>   drivers/gpu/drm/mediatek/mtk_drm_drv.h |   1 +
>   drivers/gpu/drm/mediatek/mtk_ethdr.c   | 376 +++++++++++++++++++++++++
>   drivers/gpu/drm/mediatek/mtk_ethdr.h   |  23 ++
>   5 files changed, 402 insertions(+)
>   create mode 100644 drivers/gpu/drm/mediatek/mtk_ethdr.c
>   create mode 100644 drivers/gpu/drm/mediatek/mtk_ethdr.h
>