Re: [PATCH 1/4] drm/i915: export assert_device_not_suspended

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Mon, Nov 09, 2015 at 08:20:08PM +0200, Imre Deak wrote:
> We should use the same assert in more places, so export it. Move it to
> intel_runtime_pm.c at the same time, since that's a more logical place
> for it.
> 
> Signed-off-by: Imre Deak <imre.deak@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_drv.h        | 2 ++
>  drivers/gpu/drm/i915/intel_runtime_pm.c | 6 ++++++
>  drivers/gpu/drm/i915/intel_uncore.c     | 7 -------
>  3 files changed, 8 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index f9089df..373cc07 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1415,6 +1415,8 @@ void intel_display_power_get(struct drm_i915_private *dev_priv,
>  			     enum intel_display_power_domain domain);
>  void intel_display_power_put(struct drm_i915_private *dev_priv,
>  			     enum intel_display_power_domain domain);
> +
> +void assert_device_not_suspended(struct drm_i915_private *dev_priv);
>  void intel_runtime_pm_get(struct drm_i915_private *dev_priv);
>  void intel_runtime_pm_get_noresume(struct drm_i915_private *dev_priv);
>  void intel_runtime_pm_put(struct drm_i915_private *dev_priv);
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index b42506b..0d4a03b 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -2120,6 +2120,12 @@ void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume)
>  	power_domains->initializing = false;
>  }
>  
> +void assert_device_not_suspended(struct drm_i915_private *dev_priv)
> +{
> +	WARN_ONCE(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv->pm.suspended,

Is there any point in the HAS_RUNTIME_PM() check?

> +		  "Device suspended\n");
> +}
> +
>  /**
>   * intel_power_domains_suspend - suspend power domain state
>   * @dev_priv: i915 device instance
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index 5bb269c..2b93a68 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -50,13 +50,6 @@ intel_uncore_forcewake_domain_to_str(const enum forcewake_domain_id id)
>  	return "unknown";
>  }
>  
> -static void
> -assert_device_not_suspended(struct drm_i915_private *dev_priv)
> -{
> -	WARN_ONCE(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv->pm.suspended,
> -		  "Device suspended\n");
> -}
> -
>  static inline void
>  fw_domain_reset(const struct intel_uncore_forcewake_domain *d)
>  {
> -- 
> 2.5.0
> 
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-- 
Ville Syrjälä
Intel OTC
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