ecore_drm2: Add a fallback method for vblank waiting

We can't depend on vblank waits being implemented by the driver, but we
can count on page flips functioning, so add a fallback that does a page
flip and waits for it.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/ecore_drm2/ecore_drm2_private.h b/src/lib/ecore_drm2/ecore_drm2_private.h
index c8c2bf66c2..a85cb0c2d5 100644
--- a/src/lib/ecore_drm2/ecore_drm2_private.h
+++ b/src/lib/ecore_drm2/ecore_drm2_private.h
@@ -209,6 +209,8 @@ struct _Ecore_Drm2_Output
    int pipe;
    int x, y, w, h, pw, ph;
 
+   long fallback_sec, fallback_usec;
+
    uint32_t subpixel;
    uint32_t crtc_id, conn_id, conn_type;
    uint32_t scale;