drm/i915: unify FLIP_DONE macro names

s/FLIPDONE/FLIP_DONE/ to make all FLIP_DONE macro names consistent.

No functional change.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index a9916e2..8f579bc 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1500,7 +1500,7 @@
 		if (pipe_stats[pipe] & PIPE_START_VBLANK_INTERRUPT_STATUS)
 			drm_handle_vblank(dev, pipe);
 
-		if (pipe_stats[pipe] & PLANE_FLIPDONE_INT_STATUS_VLV) {
+		if (pipe_stats[pipe] & PLANE_FLIP_DONE_INT_STATUS_VLV) {
 			intel_prepare_page_flip(dev, pipe);
 			intel_finish_page_flip(dev, pipe);
 		}