From patchwork Thu Sep 8 10:39:13 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: akash.goel@intel.com X-Patchwork-Id: 9320917 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 9EB2860231 for ; Thu, 8 Sep 2016 10:26:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8289529785 for ; Thu, 8 Sep 2016 10:26:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 70BC92979D; Thu, 8 Sep 2016 10:26:16 +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 2448129785 for ; Thu, 8 Sep 2016 10:26:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BA2446EE18; Thu, 8 Sep 2016 10:26:14 +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 D93966EE13 for ; Thu, 8 Sep 2016 10:25:57 +0000 (UTC) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP; 08 Sep 2016 03:25:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.30,300,1470726000"; d="scan'208"; a="1053038103" Received: from akashgoe-desktop.iind.intel.com ([10.223.82.36]) by fmsmga002.fm.intel.com with ESMTP; 08 Sep 2016 03:25:56 -0700 From: akash.goel@intel.com To: intel-gfx@lists.freedesktop.org Date: Thu, 8 Sep 2016 16:09:13 +0530 Message-Id: <1473331158-21082-14-git-send-email-akash.goel@intel.com> X-Mailer: git-send-email 1.9.2 In-Reply-To: <1473331158-21082-1-git-send-email-akash.goel@intel.com> References: <1473331158-21082-1-git-send-email-akash.goel@intel.com> Cc: Akash Goel Subject: [Intel-gfx] [PATCH 13/18] drm/i915: Augment i915 error state to include the dump of GuC log buffer X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Akash Goel Added the dump of GuC log buffer to i915 error state, as the contents of GuC log buffer would also be useful to determine that why the GPU reset was triggered. v2: - For uniformity use existing helper function print_error_obj() to dump out contents of GuC log buffer, pretty printing is better left to userspace. (Chris) - Skip the dumping of GuC log buffer when logging is disabled as it won't be of any use. - Rebase. Suggested-by: Chris Wilson Signed-off-by: Akash Goel Reviewed-by: Tvrtko Ursulin --- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/i915_gpu_error.c | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 7e7eb17..ea02037 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -763,6 +763,7 @@ struct drm_i915_error_state { struct intel_overlay_error_state *overlay; struct intel_display_error_state *display; struct drm_i915_error_object *semaphore; + struct drm_i915_error_object *guc_log; struct drm_i915_error_engine { int engine_id; diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 334f15d..f9eebd9 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -576,6 +576,13 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m, } } + obj = error->guc_log; + if (obj) { + err_printf(m, "GuC log buffer = 0x%08x\n", + lower_32_bits(obj->gtt_offset)); + print_error_obj(m, obj); + } + if (error->overlay) intel_overlay_print_error_state(m, error->overlay); @@ -656,6 +663,7 @@ static void i915_error_state_free(struct kref *error_ref) } i915_error_object_free(error->semaphore); + i915_error_object_free(error->guc_log); for (i = 0; i < ARRAY_SIZE(error->active_bo); i++) kfree(error->active_bo[i]); @@ -1302,6 +1310,17 @@ static void i915_capture_pinned_buffers(struct drm_i915_private *dev_priv, error->pinned_bo = bo; } +static void i915_gem_capture_guc_log_buffer(struct drm_i915_private *dev_priv, + struct drm_i915_error_state *error) +{ + /* Capturing log buf contents won't be useful if logging was disabled */ + if (!dev_priv->guc.log.vma || (i915.guc_log_level < 0)) + return; + + error->guc_log = i915_error_object_create(dev_priv, + dev_priv->guc.log.vma); +} + /* Capture all registers which don't fit into another category. */ static void i915_capture_reg_state(struct drm_i915_private *dev_priv, struct drm_i915_error_state *error) @@ -1453,6 +1472,7 @@ void i915_capture_error_state(struct drm_i915_private *dev_priv, i915_gem_record_rings(dev_priv, error); i915_capture_active_buffers(dev_priv, error); i915_capture_pinned_buffers(dev_priv, error); + i915_gem_capture_guc_log_buffer(dev_priv, error); do_gettimeofday(&error->time);