mem_ctl          1144 drivers/gpu/drm/mgag200/mgag200_mode.c 		u32 mem_ctl = RREG32(MGAREG_MEMCTL);
mem_ctl          1152 drivers/gpu/drm/mgag200/mgag200_mode.c 		WREG32(MGAREG_MEMCTL, mem_ctl | 0x00200000);
mem_ctl          1154 drivers/gpu/drm/mgag200/mgag200_mode.c 		WREG32(MGAREG_MEMCTL, mem_ctl & ~0x00200000);