_PS_1B_CTRL 1304 drivers/gpu/drm/i915/gvt/handlers.c offset == _PS_1B_CTRL || offset == _PS_2B_CTRL || _PS_1B_CTRL 7157 drivers/gpu/drm/i915/i915_reg.h _ID(id, _PS_1B_CTRL, _PS_2B_CTRL))