STATE1
WREG32_P(MC_ARB_BURST_TIME, STATE1(burst_time), ~STATE1_MASK);
burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1);
PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1, burst_time);
mc_arb_burst_time |= STATE1(cypress_calculate_burst_time(rdev,
WREG32_P(MC_ARB_BURST_TIME, STATE1(burst_time), ~STATE1_MASK);
STATE1(64 * high_clock / pi->hw.sclks[R600_POWER_LEVEL_MEDIUM]) |
STATE1(64 * high_clock / state->low.sclk) |