MRST_PERF_MODE    230 drivers/gpu/drm/gma500/oaktrail_device.c 	regs->psb.savePERF_MODE = PSB_RVDC32(MRST_PERF_MODE);
MRST_PERF_MODE    333 drivers/gpu/drm/gma500/oaktrail_device.c 	PSB_WVDC32(regs->psb.savePERF_MODE, MRST_PERF_MODE);