Message ID | 20190906135012.10285-1-jacopo+renesas@jmondi.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [v3] drm: rcar-du: kms: Expand comment in vsps parsing routine | expand |
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index fc30fff0eb8d..cb636637032d 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -625,7 +625,11 @@ 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; }