drm/i915: Fix GMBUSFREQ on vlv/chv
vlv_cdclk_freq is in kHz but we need MHz for the GMBUSFREQ divider. This is a regression from: commit f8bf63fd Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Fri Jun 13 13:37:54 2014 +0300 drm/i915: Kill duplicated cdclk readout code from i2c Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com> Cc: stable@vger.kernel.org Signed-off-by: NJani Nikula <jani.nikula@intel.com>
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