From patchwork Wed Jul 29 17:48:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Gordon X-Patchwork-Id: 6895611 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 2602C9F38B for ; Wed, 29 Jul 2015 17:48:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4980A20635 for ; Wed, 29 Jul 2015 17:48:53 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 6AE6220636 for ; Wed, 29 Jul 2015 17:48:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 91EDA6E4E4; Wed, 29 Jul 2015 10:48:51 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 8B71C6E4E4 for ; Wed, 29 Jul 2015 10:48:50 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP; 29 Jul 2015 10:48:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,572,1432623600"; d="scan'208";a="772406010" Received: from dsgordon-linux2.isw.intel.com ([10.102.226.88]) by fmsmga002.fm.intel.com with ESMTP; 29 Jul 2015 10:48:49 -0700 From: Dave Gordon To: intel-gfx@lists.freedesktop.org Date: Wed, 29 Jul 2015 18:48:30 +0100 Message-Id: <1438192118-5807-3-git-send-email-david.s.gordon@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1438192118-5807-1-git-send-email-david.s.gordon@intel.com> References: <1438192118-5807-1-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 02/10 v5] 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 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 v5: Rebased Issue: VIZ-4884 Signed-off-by: Alex Dai Signed-off-by: Dave Gordon --- drivers/gpu/drm/i915/i915_debugfs.c | 39 +++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 23a69307..5c8f53c 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2372,6 +2372,44 @@ static int i915_llc(struct seq_file *m, void *data) return 0; } +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; + struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw; + u32 tmp, i; + + if (!HAS_GUC_UCODE(dev_priv->dev)) + return 0; + + seq_printf(m, "GuC firmware status:\n"); + seq_printf(m, "\tpath: %s\n", + guc_fw->guc_fw_path); + seq_printf(m, "\tfetch: %s\n", + intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status)); + seq_printf(m, "\tload: %s\n", + intel_guc_fw_status_repr(guc_fw->guc_fw_load_status)); + seq_printf(m, "\tversion wanted: %d.%d\n", + guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted); + seq_printf(m, "\tversion found: %d.%d\n", + guc_fw->guc_fw_major_found, guc_fw->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; @@ -5065,6 +5103,7 @@ 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},