drm: Add acquire ctx parameter to ->update_plane

Just rolling it out, no code change here.

Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Eric Anholt <eric@anholt.net>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-3-daniel.vetter@ffwll.ch
diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c
index de1ac5e..2339879 100644
--- a/drivers/gpu/drm/drm_plane_helper.c
+++ b/drivers/gpu/drm/drm_plane_helper.c
@@ -275,6 +275,7 @@
  * @src_y: y offset of @fb for panning
  * @src_w: width of source rectangle in @fb
  * @src_h: height of source rectangle in @fb
+ * @ctx: lock acquire context, not used here
  *
  * Provides a default plane update handler for primary planes.  This is handler
  * is called in response to a userspace SetPlane operation on the plane with a
@@ -303,7 +304,8 @@
 			      int crtc_x, int crtc_y,
 			      unsigned int crtc_w, unsigned int crtc_h,
 			      uint32_t src_x, uint32_t src_y,
-			      uint32_t src_w, uint32_t src_h)
+			      uint32_t src_w, uint32_t src_h,
+			      struct drm_modeset_acquire_ctx *ctx)
 {
 	struct drm_mode_set set = {
 		.crtc = crtc,