drm/vc4: Allow vblank to be disabled

Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index ee3e0040b1625e70be24c97aede5b58a89717ab5..2e5597d10cc629e08ccde726a64d6e36da69a48f 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -51,6 +51,7 @@ int vc4_kms_load(struct drm_device *dev)
        dev->mode_config.max_height = 2048;
        dev->mode_config.funcs = &vc4_mode_funcs;
        dev->mode_config.preferred_depth = 24;
+       dev->vblank_disable_allowed = true;
 
        drm_mode_config_reset(dev);