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> Please add that to the error message and use printk_once() since we only
> really want to annoy the user the first time.

For each time we see the message, we need to increase the value by 1, so instead
of using printk_once, I just added this information to the message. Anyway, we
shouldn't be seeing this message too many times, since we don't add new
properties that often.

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 0a22ef8..37bb7ab 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2819,7 +2819,7 @@ void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
 }
 EXPORT_SYMBOL(drm_property_destroy);
 
-int drm_connector_attach_property(struct drm_connector *connector,
+void drm_connector_attach_property(struct drm_connector *connector,
 			       struct drm_property *property, uint64_t init_val)
 {
 	int i;
@@ -2828,13 +2828,13 @@ int drm_connector_attach_property(struct drm_connector *connector,
 		if (connector->property_ids[i] == 0) {
 			connector->property_ids[i] = property->base.id;
 			connector->property_values[i] = init_val;
-			break;
+			return;
 		}
 	}
 
-	if (i == DRM_CONNECTOR_MAX_PROPERTY)
-		return -EINVAL;
-	return 0;
+	WARN(1, "Failed to attach connector property. Please increase "
+		"DRM_CONNECTOR_MAX_PROPERTY by 1 for each time you see this "
+		"message\n");
 }
 EXPORT_SYMBOL(drm_connector_attach_property);
 
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index f35e7ed..036faec 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -910,8 +910,8 @@ extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
 extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
 extern bool drm_crtc_in_use(struct drm_crtc *crtc);
 
-extern int drm_connector_attach_property(struct drm_connector *connector,
-				      struct drm_property *property, uint64_t init_val);
+extern void drm_connector_attach_property(struct drm_connector *connector,
+					  struct drm_property *property, uint64_t init_val);
 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
 						const char *name, int num_values);
 extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
-- 
1.7.10