[PATCH 07/21] drm/hisilicon: Don't set drm_device->platformdev

[Xinliang Liu]

On 13 August 2016 at 04:48, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> It's deprecated and only should be used by drivers which still use
> drm_platform_init, not by anyone else.
>
> And indeed it's entirely unused and can be nuked.
>
> This required a bit more fudging, but I guess kirin_dc_ops really
> wants to operate on the platform_device, not something else. Also
> bonus points for implementing abstraction, and then storing the vfunc
> in a global variable.
>
> Cc: Xinliang Liu <xinliang.liu at linaro.org>
> Cc: Xinwei Kong <kong.kongxinwei at hisilicon.com>
> Cc: Archit Taneja <architt at codeaurora.org>
> Reviewed-by: Sean Paul <seanpaul at chromium.org>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>

Reviewed-by: Xinliang Liu <xinliang.liu at linaro.org>

Thanks,
-xinliang

> ---
>  drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 10 +++++-----
>  drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c |  6 ++----
>  drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h |  4 ++--
>  3 files changed, 9 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
> index c3707d47cd89..34c22823e5c2 100644
> --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
> +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
> @@ -987,9 +987,9 @@ static int ade_dts_parse(struct platform_device *pdev, struct ade_hw_ctx *ctx)
>         return 0;
>  }
>
> -static int ade_drm_init(struct drm_device *dev)
> +static int ade_drm_init(struct platform_device *pdev)
>  {
> -       struct platform_device *pdev = dev->platformdev;
> +       struct drm_device *drm_dev = platform_get_drvdata(dev);
>         struct ade_data *ade;
>         struct ade_hw_ctx *ctx;
>         struct ade_crtc *acrtc;
> @@ -1048,9 +1048,9 @@ static int ade_drm_init(struct drm_device *dev)
>         return 0;
>  }
>
> -static void ade_drm_cleanup(struct drm_device *dev)
> +static void ade_drm_cleanup(struct platform_device *pdev)
>  {
> -       struct platform_device *pdev = dev->platformdev;
> +       struct drm_device *drm_dev = platform_get_drvdata(dev);
>         struct ade_data *ade = platform_get_drvdata(pdev);
>         struct drm_crtc *crtc = &ade->acrtc.base;
>
> @@ -1060,4 +1060,4 @@ static void ade_drm_cleanup(struct drm_device *dev)
>  const struct kirin_dc_ops ade_dc_ops = {
>         .init = ade_drm_init,
>         .cleanup = ade_drm_cleanup
> -};
> +;
> diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
> index 1edd9bc80294..a31016af9b61 100644
> --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
> @@ -41,7 +41,7 @@ static int kirin_drm_kms_cleanup(struct drm_device *dev)
>  #endif
>         drm_kms_helper_poll_fini(dev);
>         drm_vblank_cleanup(dev);
> -       dc_ops->cleanup(dev);
> +       dc_ops->cleanup(to_platform_device(dev->dev));
>         drm_mode_config_cleanup(dev);
>         devm_kfree(dev->dev, priv);
>         dev->dev_private = NULL;
> @@ -103,7 +103,7 @@ static int kirin_drm_kms_init(struct drm_device *dev)
>         kirin_drm_mode_config_init(dev);
>
>         /* display controller init */
> -       ret = dc_ops->init(dev);
> +       ret = dc_ops->init(to_platform_device(dev));
>         if (ret)
>                 goto err_mode_config_cleanup;
>
> @@ -210,8 +210,6 @@ static int kirin_drm_bind(struct device *dev)
>         if (!drm_dev)
>                 return -ENOMEM;
>
> -       drm_dev->platformdev = to_platform_device(dev);
> -
>         ret = kirin_drm_kms_init(drm_dev);
>         if (ret)
>                 goto err_drm_dev_unref;
> diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
> index 1a07caf8e7f4..a0bb217c4c64 100644
> --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
> +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
> @@ -15,8 +15,8 @@
>
>  /* display controller init/cleanup ops */
>  struct kirin_dc_ops {
> -       int (*init)(struct drm_device *dev);
> -       void (*cleanup)(struct drm_device *dev);
> +       int (*init)(struct platform_device *pdev);
> +       void (*cleanup)(struct platform_device *pdev);
>  };
>
>  struct kirin_drm_private {
> --
> 2.8.1
>