- /* pageflip setup */
- /* make sure flip is at vb rather than hb */
- tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
- tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
- WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
-