drm: qxl: Replace CRTC .commit() helper operation with .enable()

The CRTC helper .commit() operation is legacy code, the atomic helpers
prefer the .enable() operation. Replace the .commit() helper operation
with .enable() in the driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170627211621.27767-4-laurent.pinchart+renesas@ideasonboard.com

drivers/gpu/drm/qxl/qxl_display.c

@@ -447,7 +447,7 @@ static void qxl_mode_set_nofb(struct drm_crtc *crtc)
 
 }
 
-static void qxl_crtc_commit(struct drm_crtc *crtc)
+static void qxl_crtc_enable(struct drm_crtc *crtc)
 {
 	DRM_DEBUG("\n");
 }
@@ -466,7 +466,7 @@ static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
 	.disable = qxl_crtc_disable,
 	.mode_fixup = qxl_crtc_mode_fixup,
 	.mode_set_nofb = qxl_mode_set_nofb,
-	.commit = qxl_crtc_commit,
+	.enable = qxl_crtc_enable,
 	.atomic_flush = qxl_crtc_atomic_flush,
 };