drm/i915: s/required_vco/vco/ in skl cdclk code

The 'required' part of 'required_vco' should be obvious. Let's just call
it 'vco' for brevity.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462995892-32416-12-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3552d71..176d23f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5556,13 +5556,13 @@ static unsigned int skl_cdclk_get_vco(unsigned int freq)
 }
 
 static void
-skl_dpll0_enable(struct drm_i915_private *dev_priv, unsigned int required_vco)
+skl_dpll0_enable(struct drm_i915_private *dev_priv, int vco)
 {
        int min_cdclk;
        u32 val;
 
        /* select the minimum CDCLK before enabling DPLL 0 */
-       if (required_vco == 8640)
+       if (vco == 8640)
                min_cdclk = 308570;
        else
                min_cdclk = 337500;
@@ -5585,7 +5585,7 @@ skl_dpll0_enable(struct drm_i915_private *dev_priv, unsigned int required_vco)
        val &= ~(DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) | DPLL_CTRL1_SSC(SKL_DPLL0) |
                 DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0));
        val |= DPLL_CTRL1_OVERRIDE(SKL_DPLL0);
-       if (required_vco == 8640)
+       if (vco == 8640)
                val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080,
                                            SKL_DPLL0);
        else
@@ -5699,13 +5699,13 @@ void skl_uninit_cdclk(struct drm_i915_private *dev_priv)
 
 void skl_init_cdclk(struct drm_i915_private *dev_priv)
 {
-       unsigned int required_vco;
+       unsigned int vco;
 
        /* DPLL0 not enabled (happens on early BIOS versions) */
        if (!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_ENABLE)) {
                /* enable DPLL0 */
-               required_vco = skl_cdclk_get_vco(dev_priv->skl_boot_cdclk);
-               skl_dpll0_enable(dev_priv, required_vco);
+               vco = skl_cdclk_get_vco(dev_priv->skl_boot_cdclk);
+               skl_dpll0_enable(dev_priv, vco);
        }
 
        /* set CDCLK to the frequency the BIOS chose */