9 files changed, 3 insertions, 15 deletions
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index a88f422bfac..ea8f15de114 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -2347,6 +2347,8 @@ dri2_get_sync_values_chromium(_EGLDisplay *disp, _EGLSurface *surf,
                               EGLuint64KHR *sbc)
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+   if (!dri2_dpy->vtbl->get_sync_values)
+      return EGL_FALSE;
    return dri2_dpy->vtbl->get_sync_values(disp, surf, ust, msc, sbc);
 }
 
diff --git a/src/egl/drivers/dri2/egl_dri2.h b/src/egl/drivers/dri2/egl_dri2.h
index c90f560bc78..df4fb76fe62 100644
--- a/src/egl/drivers/dri2/egl_dri2.h
+++ b/src/egl/drivers/dri2/egl_dri2.h
@@ -152,6 +152,7 @@ struct dri2_egl_display_vtbl {
    struct wl_buffer* (*create_wayland_buffer_from_image)(
                         _EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img);
 
+   /* optional */
    EGLBoolean (*get_sync_values)(_EGLDisplay *display, _EGLSurface *surface,
                                  EGLuint64KHR *ust, EGLuint64KHR *msc,
                                  EGLuint64KHR *sbc);
diff --git a/src/egl/drivers/dri2/egl_dri2_fallbacks.h b/src/egl/drivers/dri2/egl_dri2_fallbacks.h
index 3033903d5e8..1fc7b8ea167 100644
--- a/src/egl/drivers/dri2/egl_dri2_fallbacks.h
+++ b/src/egl/drivers/dri2/egl_dri2_fallbacks.h
@@ -28,12 +28,4 @@
 #include "eglcurrent.h"
 #include "egltypedefs.h"
 
-static inline EGLBoolean
-dri2_fallback_get_sync_values(_EGLDisplay *disp, _EGLSurface *surf,
-                              EGLuint64KHR *ust, EGLuint64KHR *msc,
-                              EGLuint64KHR *sbc)
-{
-   return EGL_FALSE;
-}
-
 #endif /* EGL_DRI2_FALLBACKS_INCLUDED */
diff --git a/src/egl/drivers/dri2/platform_android.c b/src/egl/drivers/dri2/platform_android.c
index 1d86c6f5503..bee601c1fdd 100644
--- a/src/egl/drivers/dri2/platform_android.c
+++ b/src/egl/drivers/dri2/platform_android.c
@@ -1269,7 +1269,6 @@ static const struct dri2_egl_display_vtbl droid_display_vtbl = {
    .swap_interval = droid_swap_interval,
    .query_buffer_age = droid_query_buffer_age,
    .query_surface = droid_query_surface,
-   .get_sync_values = dri2_fallback_get_sync_values,
    .get_dri_drawable = dri2_surface_get_dri_drawable,
    .set_shared_buffer_mode = droid_set_shared_buffer_mode,
 };
diff --git a/src/egl/drivers/dri2/platform_device.c b/src/egl/drivers/dri2/platform_device.c
index fdb5652e306..25b6cad1802 100644
--- a/src/egl/drivers/dri2/platform_device.c
+++ b/src/egl/drivers/dri2/platform_device.c
@@ -186,7 +186,6 @@ static const struct dri2_egl_display_vtbl dri2_device_display_vtbl = {
    .create_pbuffer_surface = dri2_device_create_pbuffer_surface,
    .destroy_surface = device_destroy_surface,
    .create_image = dri2_create_image_khr,
-   .get_sync_values = dri2_fallback_get_sync_values,
    .get_dri_drawable = dri2_surface_get_dri_drawable,
 };
 
diff --git a/src/egl/drivers/dri2/platform_drm.c b/src/egl/drivers/dri2/platform_drm.c
index c1104667bd2..f986e100546 100644
--- a/src/egl/drivers/dri2/platform_drm.c
+++ b/src/egl/drivers/dri2/platform_drm.c
@@ -679,7 +679,6 @@ static const struct dri2_egl_display_vtbl dri2_drm_display_vtbl = {
    .create_image = dri2_drm_create_image_khr,
    .swap_buffers = dri2_drm_swap_buffers,
    .query_buffer_age = dri2_drm_query_buffer_age,
-   .get_sync_values = dri2_fallback_get_sync_values,
    .get_dri_drawable = dri2_surface_get_dri_drawable,
 };
 
diff --git a/src/egl/drivers/dri2/platform_surfaceless.c b/src/egl/drivers/dri2/platform_surfaceless.c
index 9d4cdb00b78..2569715ebcb 100644
--- a/src/egl/drivers/dri2/platform_surfaceless.c
+++ b/src/egl/drivers/dri2/platform_surfaceless.c
@@ -180,7 +180,6 @@ static const struct dri2_egl_display_vtbl dri2_surfaceless_display_vtbl = {
    .create_pbuffer_surface = dri2_surfaceless_create_pbuffer_surface,
    .destroy_surface = surfaceless_destroy_surface,
    .create_image = dri2_create_image_khr,
-   .get_sync_values = dri2_fallback_get_sync_values,
    .get_dri_drawable = dri2_surface_get_dri_drawable,
 };
 
diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c
index 5e37e979b9c..8488d463f35 100644
--- a/src/egl/drivers/dri2/platform_wayland.c
+++ b/src/egl/drivers/dri2/platform_wayland.c
@@ -1389,7 +1389,6 @@ static const struct dri2_egl_display_vtbl dri2_wl_display_vtbl = {
    .swap_buffers_with_damage = dri2_wl_swap_buffers_with_damage,
    .query_buffer_age = dri2_wl_query_buffer_age,
    .create_wayland_buffer_from_image = dri2_wl_create_wayland_buffer_from_image,
-   .get_sync_values = dri2_fallback_get_sync_values,
    .get_dri_drawable = dri2_surface_get_dri_drawable,
 };
 
@@ -2002,7 +2001,6 @@ static const struct dri2_egl_display_vtbl dri2_wl_swrast_display_vtbl = {
    .destroy_surface = dri2_wl_destroy_surface,
    .create_image = dri2_create_image_khr,
    .swap_buffers = dri2_wl_swrast_swap_buffers,
-   .get_sync_values = dri2_fallback_get_sync_values,
    .get_dri_drawable = dri2_surface_get_dri_drawable,
 };
 
diff --git a/src/egl/drivers/dri2/platform_x11.c b/src/egl/drivers/dri2/platform_x11.c
index 81ce70de479..0ccc2b34bff 100644
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -1183,7 +1183,6 @@ static const struct dri2_egl_display_vtbl dri2_x11_swrast_display_vtbl = {
    .swap_buffers = dri2_x11_swap_buffers,
    /* XXX: should really implement this since X11 has pixmaps */
    .query_surface = dri2_query_surface,
-   .get_sync_values = dri2_fallback_get_sync_values,
    .get_dri_drawable = dri2_surface_get_dri_drawable,
 };