MSM_PREP_WRITE    765 drivers/gpu/drm/msm/msm_gem.c 	bool write = !!(op & MSM_PREP_WRITE);
MSM_PREP_WRITE    134 include/uapi/drm/msm_drm.h #define MSM_PREP_FLAGS       (MSM_PREP_READ | MSM_PREP_WRITE | MSM_PREP_NOSYNC)