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Date:   Thu, 3 Nov 2022 17:28:00 -0400
From:   =?utf-8?B?TsOtY29sYXMgRi4gUi4gQS4=?= Prado 
        <nfraprado@collabora.com>
To:     "Nancy.Lin" <nancy.lin@mediatek.com>
Cc:     Rob Herring <robh+dt@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Chun-Kuang Hu <chunkuang.hu@kernel.org>,
        Philipp Zabel <p.zabel@pengutronix.de>, wim@linux-watchdog.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>, linux@roeck-us.net,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        "jason-jh . lin" <jason-jh.lin@mediatek.com>,
        Yongqiang Niu <yongqiang.niu@mediatek.com>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org,
        dri-devel@lists.freedesktop.org, llvm@lists.linux.dev,
        singo.chang@mediatek.com,
        Project_Global_Chrome_Upstream_Group@mediatek.com
Subject: Re: [PATCH v27 6/7] drm/mediatek: add drm ovl_adaptor sub driver for
 MT8195
Message-ID: <20221103212800.43nxlxpconqkasvc@notapiano>
References: <20221103032610.9217-1-nancy.lin@mediatek.com>
 <20221103032610.9217-7-nancy.lin@mediatek.com>
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On Thu, Nov 03, 2022 at 11:26:09AM +0800, Nancy.Lin wrote:
> Add drm ovl_adaptor sub driver. Bring up ovl_adaptor sub driver if
> the component exists in the path.
> 
> Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> Reviewed-by: CK Hu <ck.hu@mediatek.com>
> Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> Tested-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
> Tested-by: N?colas F. R. A. Prado <nfraprado@collabora.com>
> Change-Id: I0501f3c80e78ec8279366cba9c137a2edd7a852e
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.c     |  61 ++++-----
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.h     |   2 +-
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 129 ++++++++++++--------
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |  50 +++++++-
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c      |  78 ++++++------
>  drivers/gpu/drm/mediatek/mtk_drm_drv.h      |  12 +-
>  6 files changed, 209 insertions(+), 123 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index 30dcb65d8a5a..ce5617ad04cb 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
[..]
>  int mtk_drm_crtc_create(struct drm_device *drm_dev,
> -			const enum mtk_ddp_comp_id *path, unsigned int path_len,
> +			const unsigned int *path, unsigned int path_len,

Hi Nancy,

why is 'enum mtk_ddp_comp_id' being changed to 'unsigned int' throughout this
patch? Was this intentional?

I saw that this change happened between v16 [1] and v17 [2], but I didn't see
any reply or mention about this in the commit message or cover letter.

Thanks,
N?colas

[1] https://lore.kernel.org/all/20220318142009.2796-21-nancy.lin@mediatek.com/
[2] https://lore.kernel.org/all/20220416020749.29010-20-nancy.lin@mediatek.com/