[Intel-gfx] [PATCH 06/13] drm/i915/cnl: Expose DVFS change functions

[Manasi Navare]

On Tue, Oct 03, 2017 at 12:06:07AM -0700, Rodrigo Vivi wrote:
> From: "Kahola, Mika" <mika.kahola at intel.com>
> 
> DVFS computation needs cnl_dvfs_{pre,post}_change() functions to be exposed.
> These functions will be used when computing DVFS levels in intel_dpll_mgr.c
> 
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Signed-off-by: Kahola, Mika <mika.kahola at intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>

Reviewed-by: Manasi Navare <manasi.d.navare at intel.com>

Manasi
> ---
>  drivers/gpu/drm/i915/intel_cdclk.c | 4 ++--
>  drivers/gpu/drm/i915/intel_drv.h   | 2 ++
>  2 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c
> index b35eb145d66e..af8411c2a6b9 100644
> --- a/drivers/gpu/drm/i915/intel_cdclk.c
> +++ b/drivers/gpu/drm/i915/intel_cdclk.c
> @@ -1510,7 +1510,7 @@ static void cnl_cdclk_pll_enable(struct drm_i915_private *dev_priv, int vco)
>  	dev_priv->cdclk.hw.vco = vco;
>  }
>  
> -static int cnl_dvfs_pre_change(struct drm_i915_private *dev_priv)
> +int cnl_dvfs_pre_change(struct drm_i915_private *dev_priv)
>  {
>  	int ret;
>  
> @@ -1528,7 +1528,7 @@ static int cnl_dvfs_pre_change(struct drm_i915_private *dev_priv)
>  	return ret;
>  }
>  
> -static void cnl_dvfs_post_change(struct drm_i915_private *dev_priv, int level)
> +void cnl_dvfs_post_change(struct drm_i915_private *dev_priv, int level)
>  {
>  	mutex_lock(&dev_priv->rps.hw_lock);
>  	sandybridge_pcode_write(dev_priv, SKL_PCODE_CDCLK_CONTROL, level);
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index fe4650d6db03..934ccf17f8ab 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1323,6 +1323,8 @@ void skl_init_cdclk(struct drm_i915_private *dev_priv);
>  void skl_uninit_cdclk(struct drm_i915_private *dev_priv);
>  void cnl_init_cdclk(struct drm_i915_private *dev_priv);
>  void cnl_uninit_cdclk(struct drm_i915_private *dev_priv);
> +int cnl_dvfs_pre_change(struct drm_i915_private *dev_priv);
> +void cnl_dvfs_post_change(struct drm_i915_private *dev_priv, int level);
>  void bxt_init_cdclk(struct drm_i915_private *dev_priv);
>  void bxt_uninit_cdclk(struct drm_i915_private *dev_priv);
>  void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv);
> -- 
> 2.13.5
> 
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