1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_encoder.c b/drivers/gpu/drm/i915/display/intel_encoder.c
index dee55f56960f..21d638535497 100644
--- a/drivers/gpu/drm/i915/display/intel_encoder.c
+++ b/drivers/gpu/drm/i915/display/intel_encoder.c
@@ -37,3 +37,47 @@ void intel_encoder_link_check_queue_work(struct intel_encoder *encoder, int dela
 	mod_delayed_work(i915->unordered_wq,
 			 &encoder->link_check_work, msecs_to_jiffies(delay_ms));
 }
+
+void intel_encoder_suspend_all(struct intel_display *display)
+{
+	struct intel_encoder *encoder;
+
+	if (!HAS_DISPLAY(display))
+		return;
+
+	/*
+	 * TODO: check and remove holding the modeset locks if none of
+	 * the encoders depends on this.
+	 */
+	drm_modeset_lock_all(display->drm);
+	for_each_intel_encoder(display->drm, encoder)
+		if (encoder->suspend)
+			encoder->suspend(encoder);
+	drm_modeset_unlock_all(display->drm);
+
+	for_each_intel_encoder(display->drm, encoder)
+		if (encoder->suspend_complete)
+			encoder->suspend_complete(encoder);
+}
+
+void intel_encoder_shutdown_all(struct intel_display *display)
+{
+	struct intel_encoder *encoder;
+
+	if (!HAS_DISPLAY(display))
+		return;
+
+	/*
+	 * TODO: check and remove holding the modeset locks if none of
+	 * the encoders depends on this.
+	 */
+	drm_modeset_lock_all(display->drm);
+	for_each_intel_encoder(display->drm, encoder)
+		if (encoder->shutdown)
+			encoder->shutdown(encoder);
+	drm_modeset_unlock_all(display->drm);
+
+	for_each_intel_encoder(display->drm, encoder)
+		if (encoder->shutdown_complete)
+			encoder->shutdown_complete(encoder);
+}