drm: replace drm_get_encoder_name() with direct name field use

Generated using semantic patch:

@@
expression E;
@@

- drm_get_encoder_name(E)
+ E->name
Acked-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_crtc.c

@@ -1631,7 +1631,7 @@ int drm_mode_getresources(struct drm_device *dev, void *data,
 					    &dev->mode_config.encoder_list,
 					    head) {
 				DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id,
-						drm_get_encoder_name(encoder));
+						encoder->name);
 				if (put_user(encoder->base.id, encoder_id +
 					     copied)) {
 					ret = -EFAULT;

drivers/gpu/drm/drm_crtc_helper.c

@@ -330,7 +330,7 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
 			continue;
 
 		DRM_DEBUG_KMS("[ENCODER:%d:%s] set [MODE:%d:%s]\n",
-			encoder->base.id, drm_get_encoder_name(encoder),
+			encoder->base.id, encoder->name,
 			mode->base.id, mode->name);
 		encoder_funcs = encoder->helper_private;
 		encoder_funcs->mode_set(encoder, mode, adjusted_mode);