PCH_GMBUS2
vgpu_vreg_t(vgpu, PCH_GMBUS2) = GMBUS_HW_RDY;
vgpu_vreg_t(vgpu, PCH_GMBUS2) |= GMBUS_SATOER;
vgpu_vreg_t(vgpu, PCH_GMBUS2) &= ~GMBUS_ACTIVE;
vgpu_vreg_t(vgpu, PCH_GMBUS2) |= GMBUS_HW_RDY | GMBUS_HW_WAIT_PHASE;
vgpu_vreg_t(vgpu, PCH_GMBUS2) &= ~GMBUS_SATOER;
vgpu_vreg_t(vgpu, PCH_GMBUS2) |= GMBUS_SATOER;
vgpu_vreg_t(vgpu, PCH_GMBUS2) &= ~GMBUS_INT;
vgpu_vreg_t(vgpu, PCH_GMBUS2) |= GMBUS_HW_RDY;
vgpu_vreg_t(vgpu, PCH_GMBUS2) &= ~GMBUS_ACTIVE;
vgpu_vreg_t(vgpu, PCH_GMBUS2) |= GMBUS_ACTIVE;
if (offset == i915_mmio_reg_offset(PCH_GMBUS2))
else if (offset == i915_mmio_reg_offset(PCH_GMBUS2))