@@ -5974,6 +5974,7 @@ int intel_modeset_all_pipes(struct intel_atomic_state *state,
crtc->base.base.id, crtc->base.name, reason);
crtc_state->uapi.mode_changed = true;
+ crtc_state->update_pipe = false;
ret = drm_atomic_add_affected_connectors(&state->base,
&crtc->base);
@@ -6925,6 +6926,11 @@ static int intel_atomic_check(struct drm_device *dev,
if (ret)
goto fail;
+ /* Either full modeset or fastset (or neither), never both */
+ drm_WARN_ON(&dev_priv->drm,
+ intel_crtc_needs_modeset(new_crtc_state) &&
+ intel_crtc_needs_fastset(new_crtc_state));
+
if (!intel_crtc_needs_modeset(new_crtc_state) &&
!intel_crtc_needs_fastset(new_crtc_state))
continue;