Re: [PATCH v1 2/7] drm: move DRM_SWITCH_POWER defines to drm_device.h

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On Wed, Dec 26, 2018 at 10:03:48PM +0100, Sam Ravnborg wrote:
> Move DRM_SWITCH_POWER out of drmP.h to allow users
> to get rid of the drmP include.
> 
> DRM_SWITCH_POWER defines are used in combination
> with drm_device.switch_power_state.
> 
> Move the DRM_SWITCH_POWER defines to the file where
> drm_device.switch_power_state is defined.
> 
> Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>
> Cc: Sean Paul <sean@xxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> ---
>  include/drm/drmP.h       | 5 -----
>  include/drm/drm_device.h | 9 +++++++++
>  2 files changed, 9 insertions(+), 5 deletions(-)
> 
> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> index b6b8436b5123..2ba786820052 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -95,11 +95,6 @@ struct dma_buf_attachment;
>  struct pci_dev;
>  struct pci_controller;
>  
> -#define DRM_SWITCH_POWER_ON 0
> -#define DRM_SWITCH_POWER_OFF 1
> -#define DRM_SWITCH_POWER_CHANGING 2
> -#define DRM_SWITCH_POWER_DYNAMIC_OFF 3
> -
>  /* returns true if currently okay to sleep */
>  static inline bool drm_can_sleep(void)
>  {
> diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
> index 42411b3ea0c8..c3da194d25f9 100644
> --- a/include/drm/drm_device.h
> +++ b/include/drm/drm_device.h
> @@ -24,6 +24,13 @@ struct inode;
>  struct pci_dev;
>  struct pci_controller;
>  
> +
> +/* Used by drm_device.switch_power_state */
> +#define DRM_SWITCH_POWER_ON 0
> +#define DRM_SWITCH_POWER_OFF 1
> +#define DRM_SWITCH_POWER_CHANGING 2
> +#define DRM_SWITCH_POWER_DYNAMIC_OFF 3

Since this isn't uapi it'd be nice to change it to an enum, which we can
then properly kernel-doc and make your references links in the resulting
html. Otherwise lgtm.

Would need an include stanza for drm_device.h in drm-internals.rst, plus a
bit of kernel-doc cleanup in here I think (which iirc is why I didn't yet
do this).
-Daniel

> +
>  /**
>   * DRM device structure. This structure represent a complete card that
>   * may contain multiple heads.
> @@ -222,6 +229,8 @@ struct drm_device {
>  	struct idr object_name_idr;
>  	struct drm_vma_offset_manager *vma_offset_manager;
>  	/*@} */
> +
> +	/* See DRM_SWITCH_POWER defines */
>  	int switch_power_state;
>  
>  	/**
> -- 
> 2.12.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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