From patchwork Wed Jan 25 11:48:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Imre Deak X-Patchwork-Id: 13115602 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F1FB3C54E94 for ; Wed, 25 Jan 2023 11:49:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7C5A110E7B1; Wed, 25 Jan 2023 11:49:13 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8D77610E7A7; Wed, 25 Jan 2023 11:49:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1674647345; x=1706183345; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=fKoVRQNfxRte/j7ajZx9ISAihrKVDD3YxQnBEpRy6+U=; b=kEAg34YQSMIiAo6/BrtBaWkFSpMlgIIGpU9ayRDaaT0iFfZYEAk5paju AEPZ/0lq9hMXvZnvNKgZx+54WgjOkGQgITCm6AZL26Ip6s3wI6gc2EA3D WIc2oxYLCFuEhXD0mOxQD3GPnJWItpjcISfb+0av65eHw4a5QDlYSr8KV CFxkJbSGJ4cHN4BcR+KB4m8ncwfG2ii3Fh53NDI9N35H1VDJPwR2bI1if g8warHdptLlM1x0PsJVuVEeOt2h2EUgp0SamEFgaNlPUSaKAacHnXMpVT 5VjxMkSzWcgCC21Z51GDy6WQ+qmO39d3+NKMqqPild8+rkdnQR9t3x/ST w==; X-IronPort-AV: E=McAfee;i="6500,9779,10600"; a="412769930" X-IronPort-AV: E=Sophos;i="5.97,245,1669104000"; d="scan'208";a="412769930" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2023 03:49:05 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10600"; a="786399712" X-IronPort-AV: E=Sophos;i="5.97,245,1669104000"; d="scan'208";a="786399712" Received: from ideak-desk.fi.intel.com ([10.237.72.58]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2023 03:49:03 -0800 From: Imre Deak To: intel-gfx@lists.freedesktop.org Subject: [PATCH 5/9] drm/display/dp_mst: Fix the payload VCPI check in drm_dp_mst_dump_topology() Date: Wed, 25 Jan 2023 13:48:48 +0200 Message-Id: <20230125114852.748337-6-imre.deak@intel.com> X-Mailer: git-send-email 2.31.1.189.g2e36527f23 In-Reply-To: <20230125114852.748337-1-imre.deak@intel.com> References: <20230125114852.748337-1-imre.deak@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Fix an off-by-one error in the VCPI check in drm_dp_mst_dump_topology(). Cc: Lyude Paul Cc: dri-devel@lists.freedesktop.org Signed-off-by: Imre Deak --- drivers/gpu/drm/display/drm_dp_mst_topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/drm/display/drm_dp_mst_topology.c index 81cc0c3b1e000..619f616d69e20 100644 --- a/drivers/gpu/drm/display/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c @@ -4770,7 +4770,7 @@ void drm_dp_mst_dump_topology(struct seq_file *m, list_for_each_entry(payload, &state->payloads, next) { char name[14]; - if (payload->vcpi != i || payload->delete) + if (payload->vcpi != i + 1 || payload->delete) continue; fetch_monitor_name(mgr, payload->port, name, sizeof(name));