From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE743C32750 for ; Fri, 2 Aug 2019 07:35:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C3F5B2086A for ; Fri, 2 Aug 2019 07:35:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389961AbfHBHfT (ORCPT ); Fri, 2 Aug 2019 03:35:19 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:19836 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2389759AbfHBHfS (ORCPT ); Fri, 2 Aug 2019 03:35:18 -0400 X-IronPort-AV: E=Sophos;i="5.64,337,1559487600"; d="scan'208";a="23151206" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 02 Aug 2019 16:35:16 +0900 Received: from fabrizio-dev.ree.adwin.renesas.com (unknown [10.226.36.196]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 0EA3840078B4; Fri, 2 Aug 2019 16:35:13 +0900 (JST) From: Fabrizio Castro To: Laurent Pinchart , Kieran Bingham , Jacopo Mondi , David Airlie , Daniel Vetter Cc: Fabrizio Castro , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Simon Horman , Geert Uytterhoeven , Chris Paterson , Biju Das Subject: [PATCH/RFC 09/12] drm: rcar-du: lvds: Fix companion's mode Date: Fri, 2 Aug 2019 08:34:06 +0100 Message-Id: <1564731249-22671-10-git-send-email-fabrizio.castro@bp.renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1564731249-22671-1-git-send-email-fabrizio.castro@bp.renesas.com> References: <1564731249-22671-1-git-send-email-fabrizio.castro@bp.renesas.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The companion encoder needs to be told to use the same mode as the primary encoder. Fixes: e9e8798ab7b8 ("drm: rcar-du: lvds: Add support for dual-link mode") Signed-off-by: Fabrizio Castro --- drivers/gpu/drm/rcar-du/rcar_lvds.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c index edd63f5..7944ae9 100644 --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c @@ -415,8 +415,12 @@ static void rcar_lvds_enable(struct drm_bridge *bridge) return; /* Enable the companion LVDS encoder in dual-link mode. */ - if (lvds->dual_link && lvds->companion) + if (lvds->dual_link && lvds->companion) { + struct rcar_lvds *companion_lvds = bridge_to_rcar_lvds( + lvds->companion); + companion_lvds->mode = lvds->mode; lvds->companion->funcs->enable(lvds->companion); + } /* * Hardcode the channels and control signals routing for now. -- 2.7.4