From patchwork Thu Aug 9 00:16:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 10560665 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A7B031057 for ; Thu, 9 Aug 2018 00:17:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9B47B20952 for ; Thu, 9 Aug 2018 00:17:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8FDA72AC6C; Thu, 9 Aug 2018 00:17:15 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 4CB5720952 for ; Thu, 9 Aug 2018 00:17:15 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 48E5D6E64A; Thu, 9 Aug 2018 00:17:12 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id C281D6E62D for ; Thu, 9 Aug 2018 00:16:54 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Aug 2018 17:16:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,212,1531810800"; d="scan'208";a="60976910" Received: from josouza-mobl.jf.intel.com ([10.24.11.40]) by fmsmga007.fm.intel.com with ESMTP; 08 Aug 2018 17:16:54 -0700 From: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= To: intel-gfx@lists.freedesktop.org Date: Wed, 8 Aug 2018 17:16:01 -0700 Message-Id: <20180809001606.26876-15-jose.souza@intel.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180809001606.26876-1-jose.souza@intel.com> References: <20180809001606.26876-1-jose.souza@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 15/20] drm/i915: Do not reset display when display is disabled 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Display is disabled in the beginning of the reset and re-enabled afterreset each engine needed but if the display is disabled we should not do it. Signed-off-by: José Roberto de Souza --- drivers/gpu/drm/i915/i915_irq.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 8084e35b25c5..cb82f56cd7dc 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -3182,7 +3182,8 @@ static void i915_reset_device(struct drm_i915_private *dev_priv, /* Use a watchdog to ensure that our reset completes */ i915_wedge_on_timeout(&w, dev_priv, 5*HZ) { - intel_prepare_reset(dev_priv); + if (INTEL_INFO(dev_priv)->num_pipes) + intel_prepare_reset(dev_priv); error->reason = reason; error->stalled_mask = engine_mask; @@ -3208,7 +3209,8 @@ static void i915_reset_device(struct drm_i915_private *dev_priv, error->stalled_mask = 0; error->reason = NULL; - intel_finish_reset(dev_priv); + if (INTEL_INFO(dev_priv)->num_pipes) + intel_finish_reset(dev_priv); } if (!test_bit(I915_WEDGED, &error->flags))