From: Laurent Pinchart Date: Wed, 17 Oct 2018 19:08:31 +0000 (+0300) Subject: drm: rcar-du: Fix vblank initialization X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=3d61fe5f59dd3e6f96fc0772156d257cb04dc656;p=openwrt%2Fstaging%2Fblogic.git drm: rcar-du: Fix vblank initialization The drm_vblank_init() takes the total number of CRTCs as an argument, but the rcar-du driver passes a bitmask of the CRTC indices. Fix it. Fixes: 4bf8e1962f91 ("drm: Renesas R-Car Display Unit DRM driver") Reported-by: Tomi Valkeinen Signed-off-by: Laurent Pinchart Reviewed-by: Kieran Bingham --- diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 4ebd61ecbee1..fe6f65c94eef 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -582,7 +582,7 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) * Initialize vertical blanking interrupts handling. Start with vblank * disabled for all CRTCs. */ - ret = drm_vblank_init(dev, (1 << rcdu->num_crtcs) - 1); + ret = drm_vblank_init(dev, rcdu->num_crtcs); if (ret < 0) return ret;