Differential D24051 Diff 66436 plugins/platforms/drm/drm_backend.cpp

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plugins/platforms/drm/drm_backend.cpp

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252void DrmBackend::openDrm() 252​void DrmBackend::openDrm()
253{ 253​{
254 connect(LogindIntegration::self(), &LogindIntegration::sessionActiveChanged, this, &DrmBackend::activate); 254​ connect(LogindIntegration::self(), &LogindIntegration::sessionActiveChanged, this, &DrmBackend::activate);
255 UdevDevice::Ptr device = m_udev->primaryGpu(); 255​ UdevDevice::Ptr device = m_udev->primaryGpu();
256 if (!device) { 256​ if (!device) {
257 qCWarning(KWIN_DRM) << "Did not find a GPU"; 257​ qCWarning(KWIN_DRM) << "Did not find a GPU";
258 return; 258​ return;
259 } 259​ }
260 m_devNode = device->devNode(); 260​ m_devNode = qEnvironmentVariableIsSet("KWIN_DRM_DEVICE_NODE") ? qgetenv("KWIN_DRM_DEVICE_NODE") : QByteArray(device->devNode());
261 int fd = LogindIntegration::self()->takeDevice(m_devNode.constData()); 261​ int fd = LogindIntegration::self()->takeDevice(m_devNode.constData());
262 if (fd < 0) { 262​ if (fd < 0) {
263 qCWarning(KWIN_DRM) << "failed to open drm device at" << m_devNode; 263​ qCWarning(KWIN_DRM) << "failed to open drm device at" << m_devNode;
264 return; 264​ return;
265 } 265​ }
266 m_fd = fd; 266​ m_fd = fd;
267 m_active = true; 267​ m_active = true;
268 QSocketNotifier *notifier = new QSocketNotifier(m_fd, QSocketNotifier::Read, this); 268​ QSocketNotifier *notifier = new QSocketNotifier(m_fd, QSocketNotifier::Read, this);
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