Support additional gbm surface flags

Some vendor requires more gbm surface flags for specific purpose,
such as protected content.

Change-Id: Ie7db337e05f941b5480ffaccf61fbc94eb989ffc
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

2 files changed, 4 insertions, 2 deletions

diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen.cpp
index 6f77a0729c..a44eaff638 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen.cpp
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen.cpp
@@ -170,7 +170,7 @@ gbm_surface *QEglFSKmsGbmScreen::createSurface(EGLConfig eglConfig)
                                                    rawGeometry().width(),
                                                    rawGeometry().height(),
                                                    native_format,
-                                                   GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
+                                                   gbmFlags());
                 if (m_gbm_surface)
                     m_output.drm_format = gbmFormatToDrmFormat(native_format);
             }
@@ -187,7 +187,7 @@ gbm_surface *QEglFSKmsGbmScreen::createSurface(EGLConfig eglConfig)
                                            rawGeometry().width(),
                                            rawGeometry().height(),
                                            gbmFormat,
-                                           GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
+                                           gbmFlags());
         }
     }
     return m_gbm_surface; // not owned, gets destroyed in QEglFSKmsGbmIntegration::destroyNativeWindow() via QEglFSKmsGbmWindow::invalidateSurface()
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen_p.h b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen_p.h
index 5be28fa971..ae12e95e62 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen_p.h
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmscreen_p.h
@@ -82,6 +82,8 @@ public:
     virtual void flip();
     virtual void updateFlipStatus();
 
+    virtual uint32_t gbmFlags() { return GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING; }
+
 protected:
     void flipFinished();
     void ensureModeSet(uint32_t fb);