From 968a43cb2969b8c40b687bd83ae3002a80859bf1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=80=9A=E6=B4=B2?= <zhangsongcui3371@sina.com>
Date: Tue, 28 Nov 2023 16:11:32 +0800
Subject: [PATCH] Monitor (Linux): don't report disabled monitors

---
 src/detection/monitor/monitor_linux.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/detection/monitor/monitor_linux.c b/src/detection/monitor/monitor_linux.c
index 5c72304fa..507efdfa2 100644
--- a/src/detection/monitor/monitor_linux.c
+++ b/src/detection/monitor/monitor_linux.c
@@ -27,6 +27,18 @@ const char* ffDetectMonitor(FFlist* results)
             continue;
 
         ffStrbufAppendS(&drmDir, entry->d_name);
+        uint32_t drmDirWithDnameLength = drmDir.length;
+
+        ffStrbufAppendS(&drmDir, "/enabled");
+        char enabled = 'd'; // disabled
+        ffReadFileData(drmDir.chars, sizeof(enabled), &enabled);
+        if (enabled != 'e') // enabled
+        {
+            ffStrbufSubstrBefore(&drmDir, drmDirLength);
+            continue;
+        }
+
+        ffStrbufSubstrBefore(&drmDir, drmDirWithDnameLength);
         ffStrbufAppendS(&drmDir, "/edid");
 
         uint8_t edidData[512];