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

Rodrigo Vivi rodrigo.vivi at intel.com
Tue Oct 3 06:27:18 UTC 2017


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>
---
 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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