DPFC_FENCE_YOFF 181 drivers/gpu/drm/i915/display/intel_fbc.c I915_WRITE(DPFC_FENCE_YOFF, params->crtc.fence_y_offset); DPFC_FENCE_YOFF 183 drivers/gpu/drm/i915/display/intel_fbc.c I915_WRITE(DPFC_FENCE_YOFF, 0);