RE: [Linux-graphics-maintainer] [PATCH] drm/vmwgfx: Convert drm_atomic_helper_suspend/resume()

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Hi, thanks for the patch. Perhaps can get rid of vmw_kms_resume
and vmw_kms_suspend, otherwise looks good to me.

> 
> convert drm_atomic_helper_suspend/resume() to use
> drm_mode_config_helper_suspend/resume().
> 
> suspend_state can be removed from vmw_private as
> it will not be used anymore.
> 
> Signed-off-by: Ajit Negi <ajitn.linux@xxxxxxxxx>
> Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
> ---
>  drivers/gpu/drm/vmwgfx/vmwgfx_drv.c |  6 +++---
>  drivers/gpu/drm/vmwgfx/vmwgfx_drv.h |  1 -
>  drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 25 ++-----------------------
>  3 files changed, 5 insertions(+), 27 deletions(-)
> 
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> index bb6dbbe..a317cda 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> @@ -1521,7 +1521,7 @@ static int vmw_pm_freeze(struct device *kdev)
>  		WARN_ON(vmw_request_device_late(dev_priv));
>  		dev_priv->suspend_locked = false;
>  		ttm_suspend_unlock(&dev_priv->reservation_sem);
> -		if (dev_priv->suspend_state)
> +		if (dev->mode_config.suspend_state)
>  			vmw_kms_resume(dev);
>  		if (dev_priv->enable_fb)
>  			vmw_fb_on(dev_priv);
> @@ -1558,8 +1558,8 @@ static int vmw_pm_restore(struct device *kdev)
>  	vmw_fence_fifo_up(dev_priv->fman);
>  	dev_priv->suspend_locked = false;
>  	ttm_suspend_unlock(&dev_priv->reservation_sem);
> -	if (dev_priv->suspend_state)
> -		vmw_kms_resume(dev_priv->dev);
> +	if (dev->mode_config.suspend_state)
> +		vmw_kms_resume(dev);
> 
>  	if (dev_priv->enable_fb)
>  		vmw_fb_on(dev_priv);
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
> b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
> index 1abe217..b8e200b 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
> @@ -438,7 +438,6 @@ struct vmw_private {
>  	struct vmw_framebuffer *implicit_fb;
>  	struct mutex global_kms_state_mutex;
>  	spinlock_t cursor_lock;
> -	struct drm_atomic_state *suspend_state;
> 
>  	/*
>  	 * Context and surface management.
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> index 23beff5..2d011a1 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> @@ -3028,19 +3028,7 @@ int vmw_kms_set_config(struct drm_mode_set
> *set,
>   */
>  int vmw_kms_suspend(struct drm_device *dev)
>  {
> -	struct vmw_private *dev_priv = vmw_priv(dev);
> -
> -	dev_priv->suspend_state = drm_atomic_helper_suspend(dev);
> -	if (IS_ERR(dev_priv->suspend_state)) {
> -		int ret = PTR_ERR(dev_priv->suspend_state);
> -
> -		DRM_ERROR("Failed kms suspend: %d\n", ret);
> -		dev_priv->suspend_state = NULL;
> -
> -		return ret;
> -	}
> -
> -	return 0;
> +	return drm_mode_config_helper_suspend(dev);
>  }
> 
> 
> @@ -3055,16 +3043,7 @@ int vmw_kms_suspend(struct drm_device *dev)
>   */
>  int vmw_kms_resume(struct drm_device *dev)
>  {
> -	struct vmw_private *dev_priv = vmw_priv(dev);
> -	int ret;
> -
> -	if (WARN_ON(!dev_priv->suspend_state))
> -		return 0;
> -
> -	ret = drm_atomic_helper_resume(dev, dev_priv->suspend_state);
> -	dev_priv->suspend_state = NULL;
> -
> -	return ret;
> +	return drm_mode_config_helper_resume(dev);
>  }
> 
>  /**
> --
> 1.9.1
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