GEN8_EU_DIS1_S2_SHIFT
#define GEN8_EU_DIS1_S2_MASK (0xffff << GEN8_EU_DIS1_S2_SHIFT)
eu_disable[2] = (I915_READ(GEN8_EU_DISABLE1) >> GEN8_EU_DIS1_S2_SHIFT) |
(32 - GEN8_EU_DIS1_S2_SHIFT));