From bf0259809860dc2cb7580b6d90d60ce12e31f7e8 Mon Sep 17 00:00:00 2001
From: Consolatis <35009135+Consolatis@users.noreply.github.com>
Date: Thu, 13 Feb 2025 16:28:17 +0100
Subject: [PATCH] output: early return on wlopm if requested state is already
 set

This prevents a unnecessary output commit without buffer,
showing up as black flash when repeatedly calling wlopm --on.
---
 src/output.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/output.c b/src/output.c
index 8a5b5825..2d805b10 100644
--- a/src/output.c
+++ b/src/output.c
@@ -1068,10 +1068,16 @@ handle_output_power_manager_set_mode(struct wl_listener *listener, void *data)
 
 	switch (event->mode) {
 	case ZWLR_OUTPUT_POWER_V1_MODE_OFF:
+		if (!event->output->enabled) {
+			return;
+		}
 		wlr_output_state_set_enabled(&output->pending, false);
 		output_state_commit(output);
 		break;
 	case ZWLR_OUTPUT_POWER_V1_MODE_ON:
+		if (event->output->enabled) {
+			return;
+		}
 		wlr_output_state_set_enabled(&output->pending, true);
 		if (!event->output->current_mode) {
 			/*
-- 
2.52.0