From patchwork Wed Aug 17 10:14:13 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: 9285477 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 E687E600CB for ; Wed, 17 Aug 2016 10:01:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D3FC4288A6 for ; Wed, 17 Aug 2016 10:01:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C8AFC288A9; Wed, 17 Aug 2016 10:01:11 +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 D85A1288A0 for ; Wed, 17 Aug 2016 10:01:04 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 12E426E7E3; Wed, 17 Aug 2016 10:01:03 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 19AFB6E7E0 for ; Wed, 17 Aug 2016 10:01:00 +0000 (UTC) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga101.fm.intel.com with ESMTP; 17 Aug 2016 03:01:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,529,1464678000"; d="scan'208";a="749856274" Received: from akashgoe-desktop.iind.intel.com ([10.223.82.36]) by FMSMGA003.fm.intel.com with ESMTP; 17 Aug 2016 03:00:58 -0700 From: akash.goel@intel.com To: intel-gfx@lists.freedesktop.org Date: Wed, 17 Aug 2016 15:44:13 +0530 Message-Id: <1471428859-10339-14-git-send-email-akash.goel@intel.com> X-Mailer: git-send-email 1.9.2 In-Reply-To: <1471428859-10339-1-git-send-email-akash.goel@intel.com> References: <1471428859-10339-1-git-send-email-akash.goel@intel.com> Cc: Akash Goel Subject: [Intel-gfx] [PATCH 13/19] 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 08553b9..de89596 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -734,6 +734,7 @@ 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 0c3f30c..94297aa 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -572,6 +572,13 @@ 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); @@ -651,6 +658,7 @@ 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]); @@ -1286,6 +1294,17 @@ 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) @@ -1437,6 +1456,7 @@ 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);