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 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 96FECC88E5C for ; Wed, 16 Sep 2026 08:30:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 40E6110E8FB; Wed, 16 Sep 2026 08:30:25 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="M24aKDvf"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.5]) by gabe.freedesktop.org (Postfix) with ESMTPS id D23AF10E8C0; Wed, 16 Sep 2026 08:30:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789547423; x=1821083423; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=BDzEQFEYjs1Eot2uamGPhIUY4GC8La6e0FJ4XaISn+A=; b=M24aKDvfSk811w/MX+QfvQ6IMemjs9ckHFkgmdbuIC1PeDc9moJkEPnM znS7VdW5gPhTylFkrFlx+sr6YEiEFPHOI/NF6X2h/fM43pmm/nnIvgvkK 69WMfGB7l0mUhx1gb6pMooyR3qO4ymO7oNWNg3SjvOlaZGREU1BJwoVG/ viPpkV3TbAVRVtDMx80JCPyscMSOThIsuT1fJRV20zTNjdjMgta4ppCpy Kjio6vIqRNiGgx18v9tnECVj644dtgKsgiIP0wwUj11q/U68536pb0ooY 3aaR2klSho/0emOSzYqklNYssKXtyeBV1xFm7M+q7y40ZAgToz/H4p81C A==; X-CSE-ConnectionGUID: PQ9odPwmRQaTfGjxjYvsRA== X-CSE-MsgGUID: bx7u1Ji5THe97d4FCThpyw== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="429644" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="429644" Received: from fmviesa012.fm.intel.com ([10.60.135.152]) by fmvoesa115.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2026 01:30:23 -0700 X-CSE-ConnectionGUID: d36YOZI4T4Oq6OpRk8vK2Q== X-CSE-MsgGUID: neSzn/E2TZK6dz5jmdszlA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="1497058" Received: from kniemiec-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.244.147]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2026 01:30:21 -0700 From: Jani Nikula To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: jani.nikula@intel.com Subject: [PATCH 09/11] drm/i915/dp-mst: switch to drm_dp_dpcd_read_byte() Date: Wed, 16 Sep 2026 11:29:40 +0300 Message-ID: <26dfbd4d99f86c19efbff89613728ab967ec4f67.1789547331.git.jani.nikula@intel.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs Bertel Jungin Aukio 5, 02600 Espoo, Finland Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Switch to the modern DPCD access functions that return negative error codes on errors, -EIO for incomplete access, and 0 on success. Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 6a869d0f6ffc..87aea2a8ee69 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -2230,7 +2230,7 @@ bool intel_dp_mst_verify_dpcd_state(struct intel_dp *intel_dp) if (!intel_dp->is_mst) return true; - ret = drm_dp_dpcd_readb(intel_dp->mst.mgr.aux, DP_MSTM_CTRL, &val); + ret = drm_dp_dpcd_read_byte(intel_dp->mst.mgr.aux, DP_MSTM_CTRL, &val); /* Adjust the expected register value for SST + SideBand. */ if (ret < 0 || val != (DP_MST_EN | DP_UP_REQ_EN | DP_UPSTREAM_IS_SRC)) { -- 2.47.3