diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index af74cdba7081..cb2d6af7a839 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -147,15 +147,12 @@ static int valleyview_get_vco(struct drm_i915_private *dev_priv) return vco_freq[hpll_freq] * 1000; } -static int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, - const char *name, u32 reg) +int vlv_get_cck_clock(struct drm_i915_private *dev_priv, + const char *name, u32 reg, int ref_freq) { u32 val; int divider; - if (dev_priv->hpll_freq == 0) - dev_priv->hpll_freq = valleyview_get_vco(dev_priv); - mutex_lock(&dev_priv->sb_lock); val = vlv_cck_read(dev_priv, reg); mutex_unlock(&dev_priv->sb_lock); @@ -166,7 +163,17 @@ static int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, (divider << CCK_FREQUENCY_STATUS_SHIFT), "%s change in progress\n", name); - return DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, divider + 1); + return DIV_ROUND_CLOSEST(ref_freq << 1, divider + 1); +} + +static int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, + const char *name, u32 reg) +{ + if (dev_priv->hpll_freq == 0) + dev_priv->hpll_freq = valleyview_get_vco(dev_priv); + + return vlv_get_cck_clock(dev_priv, name, reg, + dev_priv->hpll_freq); } static int |