Index: ui/ozone/platform/drm/gbm.gypi |
diff --git a/ui/ozone/platform/drm/gbm.gypi b/ui/ozone/platform/drm/gbm.gypi |
index 379e1091060fc551cb4df0846a19fe93d846cfe9..570b0a06ad45115bdffcbb0b63abdb1ee4d1e3c9 100644 |
--- a/ui/ozone/platform/drm/gbm.gypi |
+++ b/ui/ozone/platform/drm/gbm.gypi |
@@ -12,6 +12,9 @@ |
], |
'use_mesa_platform_null%': 0, |
+ # This enables memory-mapped access to accelerated graphics buffers via the |
+ # VGEM ("virtual GEM") driver. This is currently only available on Chrome OS |
+ # kernels and affects code in the GBM ozone platform. |
# TODO(dshwang): remove this flag when all gbm hardware supports vgem map. |
# crbug.com/519587 |
'use_vgem_map%': 0, |