GEN6_RP_UP_THRESHOLD
I915_WRITE(GEN6_RP_UP_THRESHOLD,
I915_WRITE(GEN6_RP_UP_THRESHOLD, 7600000 / 128); /* 76ms busyness per EI, 90% */
I915_WRITE(GEN6_RP_UP_THRESHOLD, 59400);
I915_WRITE(GEN6_RP_UP_THRESHOLD, 59400);