From patchwork Fri Feb 23 22:15:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dhinakaran Pandiyan X-Patchwork-Id: 10239957 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 4537A60225 for ; Fri, 23 Feb 2018 22:15:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2AC8729A26 for ; Fri, 23 Feb 2018 22:15:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1FA9229A29; Fri, 23 Feb 2018 22:15:56 +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 D459929A26 for ; Fri, 23 Feb 2018 22:15:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7012A6F31E; Fri, 23 Feb 2018 22:15:49 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id A09476F317 for ; Fri, 23 Feb 2018 22:15:48 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Feb 2018 14:15:46 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.47,383,1515484800"; d="scan'208";a="20369348" Received: from dk-thinkpad-x260.jf.intel.com (HELO dk-ThinkPad-X260.fios-router.home) ([10.54.75.38]) by orsmga008.jf.intel.com with ESMTP; 23 Feb 2018 14:15:45 -0800 From: Dhinakaran Pandiyan To: intel-gfx@lists.freedesktop.org Date: Fri, 23 Feb 2018 14:15:19 -0800 Message-Id: <20180223221520.18464-5-dhinakaran.pandiyan@intel.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180223221520.18464-1-dhinakaran.pandiyan@intel.com> References: <20180223221520.18464-1-dhinakaran.pandiyan@intel.com> Subject: [Intel-gfx] [CI 5/6] drm/i915/dp: Remove redundant sleep after AUX transaction length check. 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 , Rodrigo Vivi MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: "Dhinakaran Pandiyan" The core already takes care of the delay before retrying. The delay now changes to (500, 600)us instead of (500 + 1000, 600 + 1500)us. Cc: Rodrigo Vivi Signed-off-by: Dhinakaran Pandiyan Reviewed-by: David Weinehall --- drivers/gpu/drm/i915/intel_dp.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 121ea34bc927..adbbe530520d 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1227,14 +1227,6 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, if (recv_bytes == 0 || recv_bytes > 20) { DRM_DEBUG_KMS("Forbidden recv_bytes = %d on aux transaction\n", recv_bytes); - /* - * FIXME: This patch was created on top of a series that - * organize the retries at drm level. There EBUSY should - * also take care for 1ms wait before retrying. - * That aux retries re-org is still needed and after that is - * merged we remove this sleep from here. - */ - usleep_range(1000, 1500); ret = -EBUSY; goto out; }