diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 0598669..060add6 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1158,18 +1158,29 @@ static void intel_disable_ddi(struct intel_encoder *intel_encoder) int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv) { + struct drm_device *dev = dev_priv->dev; uint32_t lcpll = I915_READ(LCPLL_CTL); + uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; - if (lcpll & LCPLL_CD_SOURCE_FCLK) + if (lcpll & LCPLL_CD_SOURCE_FCLK) { return 800000; - else if (I915_READ(HSW_FUSE_STRAP) & HSW_CDCLK_LIMIT) + } else if (I915_READ(HSW_FUSE_STRAP) & HSW_CDCLK_LIMIT) { return 450000; - else if ((lcpll & LCPLL_CLK_FREQ_MASK) == LCPLL_CLK_FREQ_450) + } else if (freq == LCPLL_CLK_FREQ_450) { return 450000; - else if (IS_ULT(dev_priv->dev)) - return 337500; - else - return 540000; + } else if (IS_HASWELL(dev)) { + if (IS_ULT(dev)) + return 337500; + else + return 540000; + } else { + if (freq == LCPLL_CLK_FREQ_54O_BDW) + return 540000; + else if (freq == LCPLL_CLK_FREQ_337_5_BDW) + return 337500; + else + return 675000; + } } void intel_ddi_pll_init(struct drm_device *dev) |
