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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCB84C53210 for ; Wed, 4 Jan 2023 16:26:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239704AbjADQZ6 (ORCPT ); Wed, 4 Jan 2023 11:25:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239990AbjADQZP (ORCPT ); Wed, 4 Jan 2023 11:25:15 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56FFF43198 for ; Wed, 4 Jan 2023 08:24:33 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 1542CB81733 for ; Wed, 4 Jan 2023 16:24:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 642AAC433EF; Wed, 4 Jan 2023 16:24:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672849470; bh=tcN7mAwOjlY3WDnfjAgimZQwOZXIz67yvLcva9ayJaY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0U5T4kIMZRvIRptszGWEjf/AnoePOH69dB0sQOfvSbQL5WPbORbjPhlkEpTa7a5x9 y2tDO8xT/pV001BJ5Ndiu9BuYaBk/lQtKyeVswgdYx6QB8RhRA6pBI7ipZOKXZQzhM 8vH/kV+KJ4OTCXJTAsUHBc1V3p7cl6iA04AwTnEM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mikko Kovanen , Jani Nikula , Rodrigo Vivi Subject: [PATCH 6.0 128/177] drm/i915/dsi: fix VBT send packet port selection for dual link DSI Date: Wed, 4 Jan 2023 17:06:59 +0100 Message-Id: <20230104160511.526220776@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230104160507.635888536@linuxfoundation.org> References: <20230104160507.635888536@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Mikko Kovanen commit f9cdf4130671d767071607d0a7568c9bd36a68d0 upstream. intel_dsi->ports contains bitmask of enabled ports and correspondingly logic for selecting port for VBT packet sending must use port specific bitmask when deciding appropriate port. Fixes: 08c59dde71b7 ("drm/i915/dsi: fix VBT send packet port selection for ICL+") Cc: stable@vger.kernel.org Signed-off-by: Mikko Kovanen Reviewed-by: Jani Nikula Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/DBBPR09MB466592B16885D99ABBF2393A91119@DBBPR09MB4665.eurprd09.prod.outlook.com (cherry picked from commit 8d58bb7991c45f6b60710cc04c9498c6ea96db90) Signed-off-by: Rodrigo Vivi Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c +++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c @@ -137,9 +137,9 @@ static enum port intel_dsi_seq_port_to_p return ffs(intel_dsi->ports) - 1; if (seq_port) { - if (intel_dsi->ports & PORT_B) + if (intel_dsi->ports & BIT(PORT_B)) return PORT_B; - else if (intel_dsi->ports & PORT_C) + else if (intel_dsi->ports & BIT(PORT_C)) return PORT_C; }