diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_kms.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_kms.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index ca12e8ca5552..46429c4be8e5 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -761,6 +761,13 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) if (ret < 0) return ret; + /* Initialize vertical blanking interrupts handling. Start with vblank + * disabled for all CRTCs. + */ + ret = drm_vblank_init(dev, (1 << rcdu->info->num_crtcs) - 1); + if (ret < 0) + return ret; + /* Initialize the groups. */ num_groups = DIV_ROUND_UP(rcdu->num_crtcs, 2); |