diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index aee83fa..9214119 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -605,6 +605,9 @@ static int i915_fbc_status(struct seq_file *m, void *unused)
 		case FBC_NOT_TILED:
 			seq_printf(m, "scanout buffer not tiled");
 			break;
+		case FBC_MULTIPLE_PIPES:
+			seq_printf(m, "multiple pipes are enabled");
+			break;
 		default:
 			seq_printf(m, "unknown reason");
 		}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 70e2527..ae859ae 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -216,6 +216,7 @@ enum no_fbc_reason {
 	FBC_MODE_TOO_LARGE, /* mode too large for compression */
 	FBC_BAD_PLANE, /* fbc not supported on plane */
 	FBC_NOT_TILED, /* buffer not tiled */
+	FBC_MULTIPLE_PIPES, /* more than one pipe active */
 };
 
 enum intel_pch {
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index dfbdf88..b0c4398 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1244,8 +1244,10 @@ static void intel_update_fbc(struct drm_crtc *crtc,
 	struct drm_framebuffer *fb = crtc->fb;
 	struct intel_framebuffer *intel_fb;
 	struct drm_i915_gem_object *obj_priv;
+	struct drm_crtc *tmp_crtc;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int plane = intel_crtc->plane;
+	int crtcs_enabled = 0;
 
 	if (!i915_powersave)
 		return;
@@ -1263,10 +1265,19 @@ static void intel_update_fbc(struct drm_crtc *crtc,
 	 * If FBC is already on, we just have to verify that we can
 	 * keep it that way...
 	 * Need to disable if:
+	 *   - more than one pipe is active
 	 *   - changing FBC params (stride, fence, mode)
 	 *   - new fb is too large to fit in compressed buffer
 	 *   - going to an unsupported config (interlace, pixel multiply, etc.)
 	 */
+	list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head) {
+		if (tmp_crtc->enabled)
+			crtcs_enabled++;
+	}
+	if (crtcs_enabled > 1) {
+		DRM_DEBUG_KMS("more than one pipe active, disabling compression\n");
+		dev_priv->no_fbc_reason = FBC_MULTIPLE_PIPES;
+	}
 	if (intel_fb->obj->size > dev_priv->cfb_size) {
 		DRM_DEBUG_KMS("framebuffer too large, disabling "
 				"compression\n");
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 0eab8df..6bc313a 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -542,22 +542,14 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder,
 /**
  * Detect the LVDS connection.
  *
- * Since LVDS doesn't have hotlug, we use the lid as a proxy.  Open means
- * connected and closed means disconnected.  We also send hotplug events as
- * needed, using lid status notification from the input layer.
+ * Note: it would be nice to use lid state as a proxy here, but actual state is
+ * not widely available (either it doesn't exist or is broken on many platforms)
+ * so just return connector_status_connected at all times, since this function
+ * is only called if an LVDS display is detected at init time.
  */
 static enum drm_connector_status intel_lvds_detect(struct drm_connector *connector)
 {
-	struct drm_device *dev = connector->dev;
-	enum drm_connector_status status = connector_status_connected;
-
-	/* ACPI lid methods were generally unreliable in this generation, so
-	 * don't even bother.
-	 */
-	if (IS_GEN2(dev) || IS_GEN3(dev))
-		return connector_status_connected;
-
-	return status;
+	return connector_status_connected;
 }
 
 /**