ecore_drm2: Allow picking a sequence number for blanktime_get

This lets us do a blocking wait for a vsync.  Something we should try to
do as infrequently as possible, but in some cases we need it one time at
startup to catch graphics driver bugs.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib/ecore_drm2/ecore_drm2_outputs.c b/src/lib/ecore_drm2/ecore_drm2_outputs.c
index d2b3acb54b..fba4be0c8d 100644
--- a/src/lib/ecore_drm2/ecore_drm2_outputs.c
+++ b/src/lib/ecore_drm2/ecore_drm2_outputs.c
@@ -1584,7 +1584,7 @@ ecore_drm2_output_subpixel_get(const Ecore_Drm2_Output *output)
 }
 
 EAPI Eina_Bool
-ecore_drm2_output_blanktime_get(Ecore_Drm2_Output *output, long *sec, long *usec)
+ecore_drm2_output_blanktime_get(Ecore_Drm2_Output *output, int sequence, long *sec, long *usec)
 {
   drmVBlank v;
   int ret;
@@ -1595,6 +1595,7 @@ ecore_drm2_output_blanktime_get(Ecore_Drm2_Output *output, long *sec, long *usec
 
   memset(&v, 0, sizeof(v));
   v.request.type = DRM_VBLANK_RELATIVE;
+  v.request.sequence = sequence;
   ret = sym_drmWaitVBlank(output->fd, &v);
   if (ret) return EINA_FALSE;
   if (v.reply.tval_sec < 0) return EINA_FALSE;