drm/i915: Remove connectors_active from state checking.

Connectors are updated atomically now, so the only interaction
with the encoder is through base.crtc.

If it's NULL the encoder's not part of any crtc, and if it's
not NULL then active should be equal to crtc_state->active.
Signed-off-by: NMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: NAnder Conselvan de Oliveira <conselvan2@gmail.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_display.c

@@ -12731,9 +12731,6 @@ check_encoder_state(struct drm_device *dev)
 			      encoder->base.base.id,
 			      encoder->base.name);
 
-		I915_STATE_WARN(encoder->connectors_active && !encoder->base.crtc,
-		     "encoder's active_connectors set, but no crtc\n");
-
 		for_each_intel_connector(dev, connector) {
 			if (connector->base.encoder != &encoder->base)
 				continue;
@@ -12753,18 +12750,20 @@ check_encoder_state(struct drm_device *dev)
 		I915_STATE_WARN(active && !encoder->base.crtc,
 		     "active encoder with no crtc\n");
 
-		I915_STATE_WARN(encoder->connectors_active != active,
-		     "encoder's computed active state doesn't match tracked active state "
-		     "(expected %i, found %i)\n", active, encoder->connectors_active);
-
 		active = encoder->get_hw_state(encoder, &pipe);
-		I915_STATE_WARN(active != encoder->connectors_active,
+
+		if (!encoder->base.crtc) {
+			I915_STATE_WARN(active,
+			     "encoder detached but not turned off.\n");
+
+			continue;
+		}
+
+		I915_STATE_WARN(active != encoder->base.crtc->state->active,
 		     "encoder's hw state doesn't match sw tracking "
 		     "(expected %i, found %i)\n",
-		     encoder->connectors_active, active);
+		     encoder->base.crtc->state->active, active);
 
-		if (!encoder->base.crtc)
-			continue;
 
 		tracked_pipe = to_intel_crtc(encoder->base.crtc)->pipe;
 		I915_STATE_WARN(active && pipe != tracked_pipe,