From patchwork Wed Oct 16 08:55:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 11192695 X-Patchwork-Delegate: kieran@bingham.xyz Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CD6AD17E1 for ; Wed, 16 Oct 2019 08:55:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AEA5521835 for ; Wed, 16 Oct 2019 08:55:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404216AbfJPIzW (ORCPT ); Wed, 16 Oct 2019 04:55:22 -0400 Received: from relay10.mail.gandi.net ([217.70.178.230]:46497 "EHLO relay10.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389608AbfJPIzR (ORCPT ); Wed, 16 Oct 2019 04:55:17 -0400 Received: from uno.localdomain (2-224-242-101.ip172.fastwebnet.it [2.224.242.101]) (Authenticated sender: jacopo@jmondi.org) by relay10.mail.gandi.net (Postfix) with ESMTPSA id D3C15240006; Wed, 16 Oct 2019 08:55:14 +0000 (UTC) From: Jacopo Mondi To: laurent.pinchart@ideasonboard.com, kieran.bingham+renesas@ideasonboard.com, geert@linux-m68k.org, horms@verge.net.au, uli+renesas@fpond.eu Cc: Jacopo Mondi , airlied@linux.ie, daniel@ffwll.ch, linux-renesas-soc@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 8/8] drm: rcar-du: kms: Expand comment in vsps parsing routine Date: Wed, 16 Oct 2019 10:55:48 +0200 Message-Id: <20191016085548.105703-9-jacopo+renesas@jmondi.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191016085548.105703-1-jacopo+renesas@jmondi.org> References: <20191016085548.105703-1-jacopo+renesas@jmondi.org> MIME-Version: 1.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org 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: Kieran Bingham Reviewed-by: Laurent Pinchart Signed-off-by: Jacopo Mondi --- drivers/gpu/drm/rcar-du/rcar_du_kms.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 7c9fb5860e54..186422ac552b 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -587,7 +587,11 @@ 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; }