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 74A98C4332F for ; Wed, 4 Jan 2023 16:22:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231220AbjADQVV (ORCPT ); Wed, 4 Jan 2023 11:21:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44846 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239423AbjADQUw (ORCPT ); Wed, 4 Jan 2023 11:20:52 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6B7AC58 for ; Wed, 4 Jan 2023 08:20:48 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 63E016177C for ; Wed, 4 Jan 2023 16:20:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D9DEC433D2; Wed, 4 Jan 2023 16:20:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672849247; bh=tcN7mAwOjlY3WDnfjAgimZQwOZXIz67yvLcva9ayJaY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kdUTa/Iu343PNG2r3G2gT3SDv+JRoovkof49jK5ovgDokyyvkRgb0NiWYROXzKY42 BqS1k0orf9CoDRvafB1NFSdSUItRxF6M7BnNQBe5PFlRRzmNAeSSYWdv5r4mSriRtb E/QzOk0zl4pWnpp6tL9lWKixuFYlI+P8KD8zQwFk= 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 6.1 157/207] drm/i915/dsi: fix VBT send packet port selection for dual link DSI Date: Wed, 4 Jan 2023 17:06:55 +0100 Message-Id: <20230104160516.867041680@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230104160511.905925875@linuxfoundation.org> References: <20230104160511.905925875@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; }