diff --git a/plugins/platforms/drm/drm_buffer_gbm.cpp b/plugins/platforms/drm/drm_buffer_gbm.cpp
index 136fbb828..11a0a2cd9 100644
--- a/plugins/platforms/drm/drm_buffer_gbm.cpp
+++ b/plugins/platforms/drm/drm_buffer_gbm.cpp
@@ -46,6 +46,7 @@ DrmSurfaceBuffer::DrmSurfaceBuffer(int fd, const std::shared_ptr<GbmSurface> &su
         return;
     }
     m_size = QSize(gbm_bo_get_width(m_bo), gbm_bo_get_height(m_bo));
+    qCritical() << "creating buffer" << m_size;
     if (drmModeAddFB(fd, m_size.width(), m_size.height(), 24, 32, gbm_bo_get_stride(m_bo), gbm_bo_get_handle(m_bo).u32, &m_bufferId) != 0) {
         qCWarning(KWIN_DRM) << "drmModeAddFB failed";
     }
diff --git a/plugins/platforms/drm/drm_output.cpp b/plugins/platforms/drm/drm_output.cpp
index bfc9d4026..eed6316a4 100644
--- a/plugins/platforms/drm/drm_output.cpp
+++ b/plugins/platforms/drm/drm_output.cpp
@@ -1031,13 +1031,19 @@ bool DrmOutput::doAtomicCommit(AtomicCommitMode mode)
 bool DrmOutput::atomicReqModesetPopulate(drmModeAtomicReq *req, bool enable)
 {
     if (enable) {
+        int h = m_mode.hdisplay, v = m_mode.vdisplay;
+        if (orientation() == Qt::InvertedPortraitOrientation)
+            std::swap<int>(v, h);
+
         m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcX), 0);
         m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcY), 0);
-        m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcW), m_mode.hdisplay << 16);
-        m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcH), m_mode.vdisplay << 16);
-        m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcW), m_mode.hdisplay);
-        m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcH), m_mode.vdisplay);
+        m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcW), h << 16);
+        m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::SrcH), v << 16);
+        m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcW), h);
+        m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcH), v);
         m_primaryPlane->setValue(int(DrmPlane::PropertyIndex::CrtcId), m_crtc->id());
+
+        qCritical() << "requested mode" << "xxxx" << h << v << orientation();
     } else {
         if (m_backend->deleteBufferAfterPageFlip()) {
             delete m_primaryPlane->current();
diff --git a/plugins/platforms/drm/egl_gbm_backend.cpp b/plugins/platforms/drm/egl_gbm_backend.cpp
index 48ec495b2..bb351e04a 100644
--- a/plugins/platforms/drm/egl_gbm_backend.cpp
+++ b/plugins/platforms/drm/egl_gbm_backend.cpp
@@ -170,8 +170,13 @@ bool EglGbmBackend::resetOutput(Output &o, DrmOutput *drmOutput)
     o.output = drmOutput;
     auto size = drmOutput->pixelSize();
 
+    if (drmOutput->orientation() == Qt::InvertedPortraitOrientation) {
+        std::swap(size.rheight(), size.rwidth());
+    }
+
     auto gbmSurface = std::make_shared<GbmSurface>(m_backend->gbmDevice(), size.width(), size.height(),
                                         GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
+    qCritical() << "created gbm surface" << gbmSurface.get() << size;
     if (!gbmSurface) {
         qCCritical(KWIN_DRM) << "Create gbm surface failed";
         return false;
@@ -191,6 +196,7 @@ bool EglGbmBackend::resetOutput(Output &o, DrmOutput *drmOutput)
         o.eglSurface = eglSurface;
         o.gbmSurface = gbmSurface;
     }
+    qCritical() << "resetOutput!" << size;
     return true;
 }
 
@@ -307,6 +313,9 @@ void EglGbmBackend::presentOnOutput(EglGbmBackend::Output &o)
 {
     eglSwapBuffers(eglDisplay(), o.eglSurface);
     o.buffer = m_backend->createBuffer(o.gbmSurface);
+
+//     qDebug() << "presenting on output" << o.buffer->size() << o.output->pixelSize() << o.output->physicalSize();
+    qDebug() << "presenting on output" << o.buffer << o.output->pixelSize() << o.output->physicalSize();
     if(m_remoteaccessManager && gbm_surface_has_free_buffers(o.gbmSurface->surface())) {
         // GBM surface is released on page flip so
         // we should pass the buffer before it's presented
@@ -322,8 +331,11 @@ void EglGbmBackend::presentOnOutput(EglGbmBackend::Output &o)
 
 void EglGbmBackend::screenGeometryChanged(const QSize &size)
 {
-    Q_UNUSED(size)
-    // TODO, create new buffer?
+    qCritical() << "new screen geometry" << size;
+    const auto outputs = m_backend->drmOutputs();
+    for (DrmOutput *drmOutput: outputs) {
+        createOutput(drmOutput);
+    }
 }
 
 SceneOpenGLTexturePrivate *EglGbmBackend::createBackendTexture(SceneOpenGLTexture *texture)
diff --git a/wayland_server.cpp b/wayland_server.cpp
index 16220f42c..d52698ea1 100644
--- a/wayland_server.cpp
+++ b/wayland_server.cpp
@@ -225,10 +225,13 @@ public:
         const auto servicesFound = KServiceTypeTrader::self()->query(QStringLiteral("Application"), serviceQuery);
 
         if (servicesFound.isEmpty()) {
+            qCDebug(KWIN_CORE) << "could not find the desktop file for" << client->executablePath();
             return {};
         }
 
-        return servicesFound.first()->property("X-KDE-Wayland-Interfaces").toStringList();
+        const auto interfaces = servicesFound.first()->property("X-KDE-Wayland-Interfaces").toStringList();
+        qCDebug(KWIN_CORE) << "interfaces for" << client->executablePath() << interfaces;
+        return interfaces;
     }
 
     QSet<QByteArray> interfacesBlackList = {"org_kde_kwin_remote_access_manager", "org_kde_plasma_window_management", "org_kde_kwin_fake_input", "org_kde_kwin_keystate"};
@@ -253,7 +256,6 @@ public:
                 requestedInterfaces = fetchRequestedInterfaces(client);
                 client->setProperty("requestedInterfaces", requestedInterfaces);
             }
-            qCDebug(KWIN_CORE) << "interfaces for" << client->executablePath() << requestedInterfaces << interfaceName << requestedInterfaces.toStringList().contains(QString::fromUtf8(interfaceName));
             if (!requestedInterfaces.toStringList().contains(QString::fromUtf8(interfaceName))) {
                 qCWarning(KWIN_CORE) << "Did not grant the interface" << interfaceName << "to" << client->executablePath() << ". Please request it under X-KDE-Wayland-Interfaces";
                 return false;