[PATCH 12/19] squash drm/i915: Move out non-modeset calls from modeset init and cleanup

[José Roberto de Souza]

Also moving VLV/CHV/BYT czclk as it is a core clock used as base by
several other GPU blocks not only display, including gem/GT.
Spec: 14370
---
 drivers/gpu/drm/i915/intel_display.c | 12 ------------
 drivers/gpu/drm/i915/intel_pm.c      | 10 ++++++++++
 2 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d1dcd9d4a682..371ec75a582a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -218,17 +218,6 @@ int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv,
 				 dev_priv->hpll_freq);
 }
 
-static void intel_update_czclk(struct drm_i915_private *dev_priv)
-{
-	if (!(IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)))
-		return;
-
-	dev_priv->czclk_freq = vlv_get_cck_clock_hpll(dev_priv, "czclk",
-						      CCK_CZ_CLOCK_CONTROL);
-
-	DRM_DEBUG_DRIVER("CZ clock rate: %d kHz\n", dev_priv->czclk_freq);
-}
-
 static inline u32 /* units of 100MHz */
 intel_fdi_link_freq(struct drm_i915_private *dev_priv,
 		    const struct intel_crtc_state *pipe_config)
@@ -15246,7 +15235,6 @@ int intel_modeset_init(struct drm_device *dev)
 	intel_shared_dpll_init(dev);
 	intel_update_fdi_pll_freq(dev_priv);
 
-	intel_update_czclk(dev_priv);
 	intel_modeset_init_hw(dev);
 
 	if (dev_priv->max_cdclk_freq == 0)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 949e1fd7da77..adf3776a2076 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7365,6 +7365,14 @@ static void vlv_init_gpll_ref_freq(struct drm_i915_private *dev_priv)
 			 dev_priv->gt_pm.rps.gpll_ref_freq);
 }
 
+static void valleyview_update_czclk(struct drm_i915_private *dev_priv)
+{
+	dev_priv->czclk_freq = vlv_get_cck_clock_hpll(dev_priv, "czclk",
+						      CCK_CZ_CLOCK_CONTROL);
+
+	DRM_DEBUG_DRIVER("CZ clock rate: %d kHz\n", dev_priv->czclk_freq);
+}
+
 static void valleyview_init_gt_powersave(struct drm_i915_private *dev_priv)
 {
 	struct intel_rps *rps = &dev_priv->gt_pm.rps;
@@ -7372,6 +7380,7 @@ static void valleyview_init_gt_powersave(struct drm_i915_private *dev_priv)
 
 	valleyview_setup_pctx(dev_priv);
 
+	valleyview_update_czclk(dev_priv);
 	vlv_init_gpll_ref_freq(dev_priv);
 
 	val = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);
@@ -7418,6 +7427,7 @@ static void cherryview_init_gt_powersave(struct drm_i915_private *dev_priv)
 
 	cherryview_setup_pctx(dev_priv);
 
+	valleyview_update_czclk(dev_priv);
 	vlv_init_gpll_ref_freq(dev_priv);
 
 	mutex_lock(&dev_priv->sb_lock);
-- 
2.18.0