_PRI_PLANE_X_OFF_SHIFT 272 drivers/gpu/drm/i915/gvt/fb_decoder.c _PRI_PLANE_X_OFF_SHIFT; _PRI_PLANE_X_OFF_SHIFT 49 drivers/gpu/drm/i915/gvt/fb_decoder.h #define _PRI_PLANE_X_OFF_MASK (0x1fff << _PRI_PLANE_X_OFF_SHIFT)