From patchwork Thu Jun 25 14:40:02 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Gordon X-Patchwork-Id: 6675751 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B13C09F1C1 for ; Thu, 25 Jun 2015 14:40:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C15152051A for ; Thu, 25 Jun 2015 14:40:51 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id CC58320515 for ; Thu, 25 Jun 2015 14:40:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3FDF56EC26; Thu, 25 Jun 2015 07:40:50 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 1C6B56EC26 for ; Thu, 25 Jun 2015 07:40:49 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP; 25 Jun 2015 07:40:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,677,1427785200"; d="scan'208";a="717548000" Received: from dsgordon-linux.isw.intel.com ([10.102.226.51]) by orsmga001.jf.intel.com with ESMTP; 25 Jun 2015 07:40:47 -0700 From: Dave Gordon To: intel-gfx@lists.freedesktop.org Date: Thu, 25 Jun 2015 15:40:02 +0100 Message-Id: <1435243213-22308-7-git-send-email-david.s.gordon@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1435243213-22308-1-git-send-email-david.s.gordon@intel.com> References: <1435243213-22308-1-git-send-email-david.s.gordon@intel.com> Organization: Intel Corporation (UK) Ltd. - Co. Reg. #1134945 - Pipers Way, Swindon SN3 1RJ Subject: [Intel-gfx] [PATCH 06/17 v2] drm/i915: Debugfs interface to read GuC load status 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-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Alex Dai The new node provides access to the status of the common uC loader code and the GuC-specific loader; also the scratch registers used for communication between the i915 driver and the GuC firmware. v2: Changes to output formats per Chris Wilson's suggestions Issue: VIZ-4884 Signed-off-by: Alex Dai Signed-off-by: Dave Gordon --- drivers/gpu/drm/i915/i915_debugfs.c | 45 +++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index f3b8062..8f53f69 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2334,6 +2334,50 @@ static int i915_llc(struct seq_file *m, void *data) return 0; } +static void i915_uc_load_status_info(struct seq_file *m, struct intel_uc_fw *uc_fw) +{ + seq_printf(m, "%s firmware status:\n", + uc_fw->uc_name); + seq_printf(m, "\tpath: %s\n", + uc_fw->uc_fw_path); + seq_printf(m, "\tfetch: %s\n", + intel_uc_fw_status_repr(uc_fw->uc_fw_fetch_status)); + seq_printf(m, "\tload: %s\n", + intel_uc_fw_status_repr(uc_fw->uc_fw_load_status)); +} + +static int i915_guc_load_status_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = m->private; + struct drm_i915_private *dev_priv = node->minor->dev->dev_private; + u32 tmp, i; + + if (!HAS_GUC_UCODE(dev_priv->dev)) + return 0; + + i915_uc_load_status_info(m, &dev_priv->guc.guc_fw); + + seq_printf(m, "\tversion wanted: %d.%d\n", + dev_priv->guc.fw_major_wanted, dev_priv->guc.fw_minor_wanted); + seq_printf(m, "\tversion found: %d.%d\n", + dev_priv->guc.fw_major_found, dev_priv->guc.fw_minor_found); + + tmp = I915_READ(GUC_STATUS); + + seq_printf(m, "\nGuC status 0x%08x:\n", tmp); + seq_printf(m, "\tBootrom status = 0x%x\n", + (tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT); + seq_printf(m, "\tuKernel status = 0x%x\n", + (tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT); + seq_printf(m, "\tMIA Core status = 0x%x\n", + (tmp & GS_MIA_MASK) >> GS_MIA_SHIFT); + seq_puts(m, "\nScratch registers:\n"); + for (i = 0; i < 16; i++) + seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i))); + + return 0; +} + static int i915_edp_psr_status(struct seq_file *m, void *data) { struct drm_info_node *node = m->private; @@ -5034,6 +5078,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS}, {"i915_gem_hws_vebox", i915_hws_info, 0, (void *)VECS}, {"i915_gem_batch_pool", i915_gem_batch_pool_info, 0}, + {"i915_guc_load_status", i915_guc_load_status_info, 0}, {"i915_frequency_info", i915_frequency_info, 0}, {"i915_hangcheck_info", i915_hangcheck_info, 0}, {"i915_drpc_info", i915_drpc_info, 0},