From: Jacopo Mondi Date: Fri, 6 Sep 2019 13:50:12 +0000 (+0200) Subject: drm: rcar-du: kms: Expand comment in vsps parsing routine X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0a370db816f8632bc71d7d0c6f59a82d2934f0df;p=linux.git drm: rcar-du: kms: Expand comment in vsps parsing routine Expand comment in the 'vsps' parsing routine to specify the LIF channel index defaults to 0 in case the second cell of the property is not specified to remain compatible with older DT bindings. Reviewed-by: Laurent Pinchart Signed-off-by: Jacopo Mondi Signed-off-by: Laurent Pinchart --- diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 2dc9caee87670..0d59f390de19a 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -585,7 +585,11 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu) vsps[j].crtcs_mask |= BIT(i); - /* Store the VSP pointer and pipe index in the CRTC. */ + /* + * Store the VSP pointer and pipe index in the CRTC. If the + * second cell of the 'vsps' specifier isn't present, default + * to 0 to remain compatible with older DT bindings. + */ rcdu->crtcs[i].vsp = &rcdu->vsps[j]; rcdu->crtcs[i].vsp_pipe = cells >= 1 ? args.args[0] : 0; }