Re: [PATCH v3, 09/15] drm/mediatek: Add pm runtime support for gamma

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Hi, Yongqiang:

Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> 於 2021年1月11日 週一 下午3:48寫道:

>
> gamma power domain need controled in the device.

In this series, why only gamma and color add pm runtime support? I
think all ddp component need pm runtime support. And pm runtime
support is not related to mt8192, so move these patches out of this
series.

Regards,
Chun-Kuang.

>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
> Signed-off-by: Yidi Lin <yidi.lin@xxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
> index 3c1ea07..da93079 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
> @@ -10,6 +10,7 @@
>  #include <linux/of_device.h>
>  #include <linux/of_irq.h>
>  #include <linux/platform_device.h>
> +#include <linux/pm_runtime.h>
>  #include <linux/soc/mediatek/mtk-cmdq.h>
>
>  #include "mtk_drm_crtc.h"
> @@ -156,6 +157,8 @@ static int mtk_disp_gamma_probe(struct platform_device *pdev)
>
>         platform_set_drvdata(pdev, priv);
>
> +       pm_runtime_enable(dev);
> +
>         ret = component_add(dev, &mtk_disp_gamma_component_ops);
>         if (ret)
>                 dev_err(dev, "Failed to add component: %d\n", ret);
> @@ -165,6 +168,8 @@ static int mtk_disp_gamma_probe(struct platform_device *pdev)
>
>  static int mtk_disp_gamma_remove(struct platform_device *pdev)
>  {
> +       pm_runtime_disable(&pdev->dev);
> +
>         component_del(&pdev->dev, &mtk_disp_gamma_component_ops);
>
>         return 0;
> --
> 1.8.1.1.dirty
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> http://lists.infradead.org/mailman/listinfo/linux-mediatek
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