From patchwork Sat Jan 27 02:49:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dhinakaran Pandiyan X-Patchwork-Id: 10187281 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1B861602BD for ; Sat, 27 Jan 2018 02:50:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 08F2F2A9B4 for ; Sat, 27 Jan 2018 02:50:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EFC902AA42; Sat, 27 Jan 2018 02:50:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B965E2A9B4 for ; Sat, 27 Jan 2018 02:50:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E51336E8A6; Sat, 27 Jan 2018 02:50:02 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7417D6E89B for ; Sat, 27 Jan 2018 02:49:58 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Jan 2018 18:49:58 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,419,1511856000"; d="scan'208";a="199173986" Received: from dk-thinkpad-x260.jf.intel.com ([10.54.75.38]) by fmsmga006.fm.intel.com with ESMTP; 26 Jan 2018 18:49:58 -0800 From: Dhinakaran Pandiyan To: intel-gfx@lists.freedesktop.org Date: Fri, 26 Jan 2018 18:49:21 -0800 Message-Id: <20180127024923.3093-7-dhinakaran.pandiyan@intel.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180127024923.3093-1-dhinakaran.pandiyan@intel.com> References: <20180127024923.3093-1-dhinakaran.pandiyan@intel.com> Subject: [Intel-gfx] [PATCH 7/9] drm/i915/dp: Move comment about hw timeout to the right place. X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dhinakaran Pandiyan MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP No functional change. Signed-off-by: Dhinakaran Pandiyan Reviewed-by: David Weinehall --- drivers/gpu/drm/i915/intel_dp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 97a4557053db..06619998b5a3 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1136,14 +1136,14 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, DP_AUX_CH_CTL_TIME_OUT_ERROR | DP_AUX_CH_CTL_RECEIVE_ERROR); - if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR) - continue; - /* DP CTS 1.2 Core Rev 1.1, 4.2.1.1 & 4.2.1.2 * 400us delay required for errors and timeouts * Timeout errors from the HW already meet this * requirement so skip to next iteration */ + if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR) + continue; + if (status & DP_AUX_CH_CTL_RECEIVE_ERROR) { usleep_range(400, 500); continue;