drm/i915: Only dump scaler config where supported

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

drivers/gpu/drm/i915/intel_display.c

@@ -12767,6 +12767,8 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
 	DRM_DEBUG_KMS("port clock: %d, pipe src size: %dx%d\n",
 		      pipe_config->port_clock,
 		      pipe_config->pipe_src_w, pipe_config->pipe_src_h);
+
+	if (INTEL_GEN(dev_priv) >= 9)
 		DRM_DEBUG_KMS("num_scalers: %d, scaler_users: 0x%x, scaler_id: %d\n",
 			      crtc->num_scalers,
 			      pipe_config->scaler_state.scaler_users,
@@ -12831,11 +12833,11 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
 			continue;
 		}
 
-		DRM_DEBUG_KMS("[PLANE:%d:%s] enabled",
-			      plane->base.id, plane->name);
-		DRM_DEBUG_KMS("\tFB:%d, fb = %ux%u format = %s",
+		DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d, fb = %ux%u format = %s\n",
+			      plane->base.id, plane->name,
 			      fb->base.id, fb->width, fb->height,
 			      drm_get_format_name(fb->pixel_format, &format_name));
+		if (INTEL_GEN(dev_priv) >= 9)
 			DRM_DEBUG_KMS("\tscaler:%d src %dx%d+%d+%d dst %dx%d+%d+%d\n",
 				      state->scaler_id,
 				      state->base.src.x1 >> 16,