diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen.cpp index 722d0266ce9..86a77cca632 100644 --- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen.cpp +++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen.cpp @@ -349,7 +349,17 @@ void QEglFSKmsGbmScreen::flip() return; } + auto gbmRelease = qScopeGuard([this]{ + m_flipPending = false; + gbm_surface_release_buffer(m_gbm_surface, m_gbm_bo_next); + m_gbm_bo_next = nullptr; + }); + FrameBuffer *fb = framebufferForBufferObject(m_gbm_bo_next); + if (!fb) { + qWarning("FrameBuffer not available. Cannot flip"); + return; + } ensureModeSet(fb->fb); const QKmsOutput &thisOutput(output()); @@ -381,9 +391,6 @@ void QEglFSKmsGbmScreen::flip() this); if (ret) { qErrnoWarning("Could not queue DRM page flip on screen %s", qPrintable(name())); - m_flipPending = false; - gbm_surface_release_buffer(m_gbm_surface, m_gbm_bo_next); - m_gbm_bo_next = nullptr; return; } } @@ -426,6 +433,8 @@ void QEglFSKmsGbmScreen::flip() #if QT_CONFIG(drm_atomic) device()->threadLocalAtomicCommit(this); #endif + + gbmRelease.dismiss(); } void QEglFSKmsGbmScreen::flipFinished()