From f82a27f55a3be7f2d6bdd53a306f49f339ef6b8f Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Thu, 2 Jul 2020 11:24:43 +0200
Subject: [PATCH] backend/drm: fix DPMS on legacy interface

This mirrors what the atomic code does in create_mode_blob.

Closes: https://github.com/swaywm/wlroots/issues/2312
---
 backend/drm/legacy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/drm/legacy.c b/backend/drm/legacy.c
index 98397c2d..3380461c 100644
--- a/backend/drm/legacy.c
+++ b/backend/drm/legacy.c
@@ -32,7 +32,7 @@ static bool legacy_crtc_commit(struct wlr_drm_backend *drm,
 		uint32_t *conns = NULL;
 		size_t conns_len = 0;
 		drmModeModeInfo *mode = NULL;
-		if (crtc->pending.mode != NULL) {
+		if (crtc->pending.active) {
 			conns = &conn->id;
 			conns_len = 1;
 			mode = &crtc->pending.mode->drm_mode;