Merge drm/drm-next into drm-intel-next

[linux-2.6-microblaze.git] / drivers / gpu / drm / i915 / display / intel_atomic.c

diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c
index 88f4240..b4e7ac5 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_atomic.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic.c
@@ -187,6 +187,26 @@ intel_connector_needs_modeset(struct intel_atomic_state *state,
                                                                            new_conn_state->crtc)));
 }
 
+/**
+ * intel_any_crtc_needs_modeset - check if any CRTC needs a modeset
+ * @state: the atomic state corresponding to this modeset
+ *
+ * Returns true if any CRTC in @state needs a modeset.
+ */
+bool intel_any_crtc_needs_modeset(struct intel_atomic_state *state)
+{
+       struct intel_crtc *crtc;
+       struct intel_crtc_state *crtc_state;
+       int i;
+
+       for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
+               if (intel_crtc_needs_modeset(crtc_state))
+                       return true;
+       }
+
+       return false;
+}
+
 struct intel_digital_connector_state *
 intel_atomic_get_digital_connector_state(struct intel_atomic_state *state,
                                         struct intel_connector *connector)