From 51925567f6e28155e0d0263415fa245556bf663b Mon Sep 17 00:00:00 2001
From: Amir Maimon <crazycableguy@protonmail.com>
Date: Wed, 22 Sep 2021 15:07:08 +0300
Subject: [PATCH] platforms/drm: Fix explicitGpus check

The check for explicitGpus in udev event handler was limited to new
GPUs, and didn't consider changes to the GPU driver, eg. from vfio-pci
to amdgpu
---
 src/plugins/platforms/drm/drm_backend.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/plugins/platforms/drm/drm_backend.cpp b/src/plugins/platforms/drm/drm_backend.cpp
index 1b3f786c83..abf42e8677 100644
--- a/src/plugins/platforms/drm/drm_backend.cpp
+++ b/src/plugins/platforms/drm/drm_backend.cpp
@@ -234,11 +234,11 @@ void DrmBackend::handleUdevEvent()
         if (!session()->isActive()) {
             continue;
         }
+        if (!m_explicitGpus.isEmpty() && !m_explicitGpus.contains(device->devNode())) {
+            continue;
+        }
 
         if (device->action() == QStringLiteral("add")) {
-            if (!m_explicitGpus.isEmpty() && !m_explicitGpus.contains(device->devNode())) {
-                continue;
-            }
             qCDebug(KWIN_DRM) << "New gpu found:" << device->devNode();
             if (addGpu(device->devNode())) {
                 updateOutputs();