linux-kernel - Re: [PATCH v3 1/2] drm/mediatek: Add mdp

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Date:   Mon, 3 Apr 2023 11:12:20 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     "Nancy.Lin" <nancy.lin@...iatek.com>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        singo.chang@...iatek.com, shawn.sung@...iatek.com
Subject: Re: [PATCH v3 1/2] drm/mediatek: Add mdp_rdma get format function

Hi, Nancy:

Nancy.Lin <nancy.lin@...iatek.com> 於 2023年3月30日 週四 上午11:26寫道：
>
> Add mdp_rdma get_format and get_num_formats function.

For the series, applied to mediatek-drm-next [1], thanks.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next

Regards,
Chun-Kuang.

>
> Signed-off-by: Nancy.Lin <nancy.lin@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_disp_drv.h |  3 +++
>  drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 24 ++++++++++++++++++++++++
>  2 files changed, 27 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> index 0d28b2e2069c..17b169530beb 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
> @@ -152,4 +152,7 @@ void mtk_mdp_rdma_start(struct device *dev, struct cmdq_pkt *cmdq_pkt);
>  void mtk_mdp_rdma_stop(struct device *dev, struct cmdq_pkt *cmdq_pkt);
>  void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg,
>                          struct cmdq_pkt *cmdq_pkt);
> +const u32 *mtk_mdp_rdma_get_formats(struct device *dev);
> +size_t mtk_mdp_rdma_get_num_formats(struct device *dev);
> +
>  #endif
> diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> index eecfa98ff52e..e06db6e56b5f 100644
> --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
> @@ -62,6 +62,20 @@
>  #define RDMA_CSC_FULL709_TO_RGB                        5
>  #define RDMA_CSC_BT601_TO_RGB                  6
>
> +static const u32 formats[] = {
> +       DRM_FORMAT_XRGB8888,
> +       DRM_FORMAT_ARGB8888,
> +       DRM_FORMAT_BGRX8888,
> +       DRM_FORMAT_BGRA8888,
> +       DRM_FORMAT_ABGR8888,
> +       DRM_FORMAT_XBGR8888,
> +       DRM_FORMAT_RGB888,
> +       DRM_FORMAT_BGR888,
> +       DRM_FORMAT_RGB565,
> +       DRM_FORMAT_UYVY,
> +       DRM_FORMAT_YUYV,
> +};
> +
>  enum rdma_format {
>         RDMA_INPUT_FORMAT_RGB565 = 0,
>         RDMA_INPUT_FORMAT_RGB888 = 1,
> @@ -219,6 +233,16 @@ void mtk_mdp_rdma_config(struct device *dev, struct mtk_mdp_rdma_cfg *cfg,
>                            MDP_RDMA_MF_CLIP_SIZE, FLD_MF_CLIP_H);
>  }
>
> +const u32 *mtk_mdp_rdma_get_formats(struct device *dev)
> +{
> +       return formats;
> +}
> +
> +size_t mtk_mdp_rdma_get_num_formats(struct device *dev)
> +{
> +       return ARRAY_SIZE(formats);
> +}
> +
>  int mtk_mdp_rdma_clk_enable(struct device *dev)
>  {
>         struct mtk_mdp_rdma *rdma = dev_get_drvdata(dev);
> --
> 2.18.0
>