drm/nouveau/dp: pass in required datarate to link training

Not used currently, but it will be used in preference to pre-determined
lane/bandwidth numbers at a later point.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_encoder.h b/drivers/gpu/drm/nouveau/nouveau_encoder.h
index 70f0232..fc5ee0d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_encoder.h
+++ b/drivers/gpu/drm/nouveau/nouveau_encoder.h
@@ -53,6 +53,7 @@
 			int link_nr;
 			int link_bw;
 			bool enhanced_frame;
+			u32 datarate;
 		} dp;
 	};
 };