Symbol: SKL_DSSM
sys/dev/drm/i915/intel_cdclk.c
1575
if (I915_READ(SKL_DSSM) & CNL_DSSM_CDCLK_PLL_REFCLK_24MHz)
sys/dev/drm/i915/intel_cdclk.c
1916
val = I915_READ(SKL_DSSM);