From 85757665e6e1393773b36282aa244feb10b7a5fe Mon Sep 17 00:00:00 2001
From: Marten Ringwelski <git@maringuu.de>
Date: Thu, 29 Oct 2020 12:36:13 +0100
Subject: [PATCH] backend/drm: Check if output is enabled before sending frame
 event

When an output is disabled one last pageflip will happen to disable it.
Currently this pageflip causes a frame event.
Since the output is disabled we don't want to send this frame event.
---
 backend/drm/drm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index dafe807b..03cd9318 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -1523,7 +1523,7 @@ static void page_flip_handler(int fd, unsigned seq,
 	};
 	wlr_output_send_present(&conn->output, &present_event);
 
-	if (drm->session->active) {
+	if (drm->session->active && conn->output.enabled) {
 		wlr_output_send_frame(&conn->output);
 	}
 }