From 255e9882b65a5c9ec16a4a54eefd84ff3c8527a9 Mon Sep 17 00:00:00 2001
From: Xaver Hugl <xaver.hugl@gmail.com>
Date: Tue, 5 Apr 2022 01:10:37 +0200
Subject: [PATCH] backends/drm: add some warnings for failing atomic tests

---
 src/backends/drm/drm_gpu.cpp    | 1 +
 src/backends/drm/drm_output.cpp | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/backends/drm/drm_gpu.cpp b/src/backends/drm/drm_gpu.cpp
index d5adcf1996..07b30dee10 100644
--- a/src/backends/drm/drm_gpu.cpp
+++ b/src/backends/drm/drm_gpu.cpp
@@ -328,6 +328,7 @@ bool DrmGpu::updateOutputs()
             }
         }
     } else {
+        qCWarning(KWIN_DRM, "Failed to find a working setup for new outputs!");
         for (const auto &pipeline : qAsConst(m_pipelines)) {
             pipeline->revertPendingChanges();
         }
diff --git a/src/backends/drm/drm_output.cpp b/src/backends/drm/drm_output.cpp
index f7eaee4a80..666acc9b7c 100644
--- a/src/backends/drm/drm_output.cpp
+++ b/src/backends/drm/drm_output.cpp
@@ -343,6 +343,7 @@ bool DrmOutput::setGammaRamp(const GammaRamp &gamma)
         m_renderLoop->scheduleRepaint();
         return true;
     } else {
+        qCWarning(KWIN_DRM) << "Applying gamma ramp failed on output" << this;
         m_pipeline->revertPendingChanges();
         return false;
     }