Re: [PATCH v11, 03/19] media: mtk-vcodec: Refactor vcodec pm interface

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Reviewed-by: Steve Cho <stevecho@xxxxxxxxxxxx>

On Sun, Nov 28, 2021 at 7:44 PM Yunfei Dong <yunfei.dong@xxxxxxxxxxxx> wrote:
>
> Using the needed param for pm init/release function and remove unused
> param mtkdev in 'struct mtk_vcodec_pm'.

nit: How about s/needed param/needed params |pdev| and |pm|/ ?


> Reviewed-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
> ---
>  .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c  |  6 ++---
>  .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c   | 22 ++++++++-----------
>  .../platform/mtk-vcodec/mtk_vcodec_dec_pm.h   |  5 +++--
>  .../platform/mtk-vcodec/mtk_vcodec_drv.h      |  1 -
>  .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c   |  1 -
>  5 files changed, 15 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> index 055d50e52720..3ac4c3935e4e 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> @@ -249,7 +249,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
>         if (IS_ERR(dev->fw_handler))
>                 return PTR_ERR(dev->fw_handler);
>
> -       ret = mtk_vcodec_init_dec_pm(dev);
> +       ret = mtk_vcodec_init_dec_pm(dev->plat_dev, &dev->pm);
>         if (ret < 0) {
>                 dev_err(&pdev->dev, "Failed to get mt vcodec clock source");
>                 goto err_dec_pm;
> @@ -378,7 +378,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
>  err_dec_alloc:
>         v4l2_device_unregister(&dev->v4l2_dev);
>  err_res:
> -       mtk_vcodec_release_dec_pm(dev);
> +       mtk_vcodec_release_dec_pm(&dev->pm);
>  err_dec_pm:
>         mtk_vcodec_fw_release(dev->fw_handler);
>         return ret;
> @@ -418,7 +418,7 @@ static int mtk_vcodec_dec_remove(struct platform_device *pdev)
>                 video_unregister_device(dev->vfd_dec);
>
>         v4l2_device_unregister(&dev->v4l2_dev);
> -       mtk_vcodec_release_dec_pm(dev);
> +       mtk_vcodec_release_dec_pm(&dev->pm);
>         mtk_vcodec_fw_release(dev->fw_handler);
>         return 0;
>  }
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
> index 6038db96f71c..20bd157a855c 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
> @@ -13,18 +13,15 @@
>  #include "mtk_vcodec_dec_pm.h"
>  #include "mtk_vcodec_util.h"
>
> -int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev)
> +int mtk_vcodec_init_dec_pm(struct platform_device *pdev,
> +       struct mtk_vcodec_pm *pm)
>  {
>         struct device_node *node;
> -       struct platform_device *pdev;
> -       struct mtk_vcodec_pm *pm;
> +       struct platform_device *larb_pdev;
>         struct mtk_vcodec_clk *dec_clk;
>         struct mtk_vcodec_clk_info *clk_info;
>         int i = 0, ret = 0;
>
> -       pdev = mtkdev->plat_dev;
> -       pm = &mtkdev->pm;
> -       pm->mtkdev = mtkdev;
>         dec_clk = &pm->vdec_clk;
>         node = of_parse_phandle(pdev->dev.of_node, "mediatek,larb", 0);
>         if (!node) {
> @@ -32,13 +29,12 @@ int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev)
>                 return -1;
>         }
>
> -       pdev = of_find_device_by_node(node);
> +       larb_pdev = of_find_device_by_node(node);
>         of_node_put(node);
> -       if (WARN_ON(!pdev)) {
> +       if (WARN_ON(!larb_pdev)) {
>                 return -1;
>         }
> -       pm->larbvdec = &pdev->dev;
> -       pdev = mtkdev->plat_dev;
> +       pm->larbvdec = &larb_pdev->dev;
>         pm->dev = &pdev->dev;
>
>         dec_clk->clk_num =
> @@ -82,10 +78,10 @@ int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev)
>         return ret;
>  }
>
> -void mtk_vcodec_release_dec_pm(struct mtk_vcodec_dev *dev)
> +void mtk_vcodec_release_dec_pm(struct mtk_vcodec_pm *pm)
>  {
> -       pm_runtime_disable(dev->pm.dev);
> -       put_device(dev->pm.larbvdec);
> +       pm_runtime_disable(pm->dev);
> +       put_device(pm->larbvdec);
>  }
>
>  int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm)
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
> index 280aeaefdb65..a3df6aef6cb9 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.h
> @@ -9,8 +9,9 @@
>
>  #include "mtk_vcodec_drv.h"
>
> -int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *dev);
> -void mtk_vcodec_release_dec_pm(struct mtk_vcodec_dev *dev);
> +int mtk_vcodec_init_dec_pm(struct platform_device *pdev,
> +       struct mtk_vcodec_pm *pm);
> +void mtk_vcodec_release_dec_pm(struct mtk_vcodec_pm *pm);
>
>  int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm);
>  void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm);
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> index 1d2370608d0d..0fa9d85114b9 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> @@ -195,7 +195,6 @@ struct mtk_vcodec_pm {
>         struct mtk_vcodec_clk   venc_clk;
>         struct device   *larbvenc;
>         struct device   *dev;
> -       struct mtk_vcodec_dev   *mtkdev;
>  };
>
>  /**
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
> index 1b2e4930ed27..0c8c8f86788c 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
> @@ -26,7 +26,6 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev)
>         pdev = mtkdev->plat_dev;
>         pm = &mtkdev->pm;
>         memset(pm, 0, sizeof(struct mtk_vcodec_pm));
> -       pm->mtkdev = mtkdev;
>         pm->dev = &pdev->dev;
>         dev = &pdev->dev;
>         enc_clk = &pm->venc_clk;
> --
> 2.25.1
>



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