backends/drm: wait for the pageflip to be done with the condition variable

...instead of busy looping, which is causing several percent CPU usage in some cases BUG: 479126
2 years ago · d4a3d6689e
parent 56fc8f83ac
commit d4a3d6689e
1 changed files with 1 additions and 1 deletions
--- a/src/backends/drm/drm_commit_thread.cpp
+++ b/src/backends/drm/drm_commit_thread.cpp
@ -31,7 +31,7 @@ DrmCommitThread::DrmCommitThread(const QString &name)
                return;
            }
            std::unique_lock lock(m_mutex);
-            if (m_commits.empty()) {
+            if (m_commits.empty() || m_committed) {
                m_commitPending.wait(lock);
            }
            if (m_committed) {