diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 33ebe291d189a4e6aba23a0d5b6abfc34fe03a82..df6e41356809bf7cdb942a12fe2c64d7237e8803 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3024,7 +3024,7 @@ void drm_mode_connector_detach_encoder(struct drm_connector *connector,
 }
 EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
 
-bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
+int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
 				  int gamma_size)
 {
 	crtc->gamma_size = gamma_size;
@@ -3032,10 +3032,10 @@ bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
 	crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
 	if (!crtc->gamma_store) {
 		crtc->gamma_size = 0;
-		return false;
+		return -ENOMEM;
 	}
 
-	return true;
+	return 0;
 }
 EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
 
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 4cd4be26722c14fb58d7f86f0a2a4988798cda68..8d593ad95f1680473cc2ca44959d080ea31aad15 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -919,7 +919,7 @@ extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
 					     struct drm_encoder *encoder);
 extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
 					   struct drm_encoder *encoder);
-extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
+extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
 					 int gamma_size);
 extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
 		uint32_t id, uint32_t type);