drm/i915: Move vlv cdclk code to .get_display_clock_speed()

We have a standard hook for reading out the current cdclk. Move the VLV
code from valleyview_cur_cdclk() to .get_display_clock_speed().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3feaaba..310218a 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4485,7 +4485,7 @@ static void valleyview_set_cdclk(struct drm_device *dev, int cdclk)
        struct drm_i915_private *dev_priv = dev->dev_private;
        u32 val, cmd;
 
-       WARN_ON(valleyview_cur_cdclk(dev_priv) != dev_priv->vlv_cdclk_freq);
+       WARN_ON(dev_priv->display.get_display_clock_speed(dev) != dev_priv->vlv_cdclk_freq);
        dev_priv->vlv_cdclk_freq = cdclk;
 
        if (cdclk >= 320000) /* jump to highest voltage for 400MHz too */
@@ -4542,24 +4542,6 @@ static void valleyview_set_cdclk(struct drm_device *dev, int cdclk)
        intel_i2c_reset(dev);
 }
 
-int valleyview_cur_cdclk(struct drm_i915_private *dev_priv)
-{
-       int cur_cdclk, vco;
-       int divider;
-
-       vco = valleyview_get_vco(dev_priv);
-
-       mutex_lock(&dev_priv->dpio_lock);
-       divider = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL);
-       mutex_unlock(&dev_priv->dpio_lock);
-
-       divider &= DISPLAY_FREQUENCY_VALUES;
-
-       cur_cdclk = DIV_ROUND_CLOSEST(vco << 1, divider + 1);
-
-       return cur_cdclk;
-}
-
 static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv,
                                 int max_pixclk)
 {
@@ -5269,7 +5251,18 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
 
 static int valleyview_get_display_clock_speed(struct drm_device *dev)
 {
-       return 400000; /* FIXME */
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       int vco = valleyview_get_vco(dev_priv);
+       u32 val;
+       int divider;
+
+       mutex_lock(&dev_priv->dpio_lock);
+       val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL);
+       mutex_unlock(&dev_priv->dpio_lock);
+
+       divider = val & DISPLAY_FREQUENCY_VALUES;
+
+       return DIV_ROUND_CLOSEST(vco << 1, divider + 1);
 }
 
 static int i945_get_display_clock_speed(struct drm_device *dev)

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 5f7c7bd..056fca9 100644 (file)
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -722,7 +722,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
 const char *intel_output_name(int output);
 bool intel_has_pending_fb_unpin(struct drm_device *dev);
 int intel_pch_rawclk(struct drm_device *dev);
-int valleyview_cur_cdclk(struct drm_i915_private *dev_priv);
 void intel_mark_busy(struct drm_device *dev);
 void intel_fb_obj_invalidate(struct drm_i915_gem_object *obj,
                             struct intel_engine_cs *ring);

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index b907ee6..146101c 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5595,7 +5595,7 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
        }
        DRM_DEBUG_DRIVER("DDR speed: %d MHz", dev_priv->mem_freq);
 
-       dev_priv->vlv_cdclk_freq = valleyview_cur_cdclk(dev_priv);
+       dev_priv->vlv_cdclk_freq = dev_priv->display.get_display_clock_speed(dev);
        DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz",
                         dev_priv->vlv_cdclk_freq);