From patchwork Fri Aug 1 16:13:28 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rodrigo Vivi X-Patchwork-Id: 4664581 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 [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 5309C9F319 for ; Fri, 1 Aug 2014 23:15:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 35522200F0 for ; Fri, 1 Aug 2014 23:15:26 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 39DA620200 for ; Fri, 1 Aug 2014 23:15:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AE53E6E36B; Fri, 1 Aug 2014 16:15:24 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 23AFC6E36B for ; Fri, 1 Aug 2014 16:15:23 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 01 Aug 2014 16:15:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,783,1400050800"; d="scan'208";a="552567798" Received: from di-604.jf.intel.com (HELO rdvivi-hillsboro.jf.intel.com) ([10.7.196.77]) by orsmga001.jf.intel.com with ESMTP; 01 Aug 2014 16:12:19 -0700 From: Rodrigo Vivi To: intel-gfx@lists.freedesktop.org Date: Fri, 1 Aug 2014 09:13:28 -0700 Message-Id: <1406909608-13935-1-git-send-email-rodrigo.vivi@intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: References: Cc: Paulo Zanoni , Rodrigo Vivi Subject: [Intel-gfx] [PATCH 2/2] drm/i915: Fix DEIER and GTIER collecting for BDW. X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 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=-3.3 required=5.0 tests=BAYES_00, DATE_IN_PAST_06_12, 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 BDW has many other Display Engine interrupts and GT interrupts registers. Collecting it properly on gpu_error_state. On debugfs all was properly listed already but besides we were also listing old DEIER and GTIER that doesn't exist on BDW anymore. This was causing unclaimed register messages: https://bugs.freedesktop.org/show_bug.cgi?id=81701 v2: Fix small issues of first version and don't read DEIER regs when pipe's power well is disabled v3: bikeshed accepted: use enum pipe pipe instead of int i for pipe interection Cc: Paulo Zanoni Signed-off-by: Rodrigo Vivi Reviewed-by: Paulo Zanoni --- drivers/gpu/drm/i915/i915_debugfs.c | 4 ++++ drivers/gpu/drm/i915/i915_drv.h | 4 +++- drivers/gpu/drm/i915/i915_gpu_error.c | 32 ++++++++++++++++++++++++++++---- 3 files changed, 35 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 9e737b7..b3493d3 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -703,6 +703,10 @@ static int i915_interrupt_info(struct seq_file *m, void *data) } for_each_pipe(pipe) { + if (!intel_display_power_enabled(dev_priv, + POWER_DOMAIN_PIPE(pipe))) + continue; + seq_printf(m, "Pipe %c IMR:\t%08x\n", pipe_name(pipe), I915_READ(GEN8_DE_PIPE_IMR(pipe))); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 60227b2..d1ae952 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -317,7 +317,9 @@ struct drm_i915_error_state { u32 eir; u32 pgtbl_er; u32 ier; - u32 gtier; + u32 gtier[4]; + u32 deier[3]; + u32 de_misc_ier; u32 ccid; u32 derrmr; u32 forcewake; diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index c8f901f..402b621 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -328,6 +328,7 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m, struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_error_state *error = error_priv->error; struct drm_i915_error_object *obj; + enum pipe pipe; int i, j, offset, elt; int max_hangcheck_score; @@ -359,8 +360,20 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m, err_printf(m, "PCI ID: 0x%04x\n", dev->pdev->device); err_printf(m, "EIR: 0x%08x\n", error->eir); err_printf(m, "IER: 0x%08x\n", error->ier); + if (IS_BROADWELL(dev)) { + for_each_pipe(pipe) + err_printf(m, "DEIER pipe %c: 0x%08x\n", + pipe_name(pipe), + error->deier[pipe]); + for (i = 0; i < 4; i++) + err_printf(m, "GTIER gt %d: 0x%08x\n", i, + error->gtier[i]); + err_printf(m, "DE_MISC_IER: 0x%08x\n", error->de_misc_ier); + } else { + err_printf(m, "IER: 0x%08x\n", error->ier); + } if (HAS_PCH_SPLIT(dev) || IS_VALLEYVIEW(dev)) - err_printf(m, "GTIER: 0x%08x\n", error->gtier); + err_printf(m, "GTIER: 0x%08x\n", error->gtier[0]); err_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er); err_printf(m, "FORCEWAKE: 0x%08x\n", error->forcewake); err_printf(m, "DERRMR: 0x%08x\n", error->derrmr); @@ -1093,6 +1106,8 @@ static void i915_capture_reg_state(struct drm_i915_private *dev_priv, struct drm_i915_error_state *error) { struct drm_device *dev = dev_priv->dev; + enum pipe pipe; + int i; /* General organization * 1. Registers specific to a single generation @@ -1104,7 +1119,7 @@ static void i915_capture_reg_state(struct drm_i915_private *dev_priv, /* 1: Registers specific to a single generation */ if (IS_VALLEYVIEW(dev)) { - error->gtier = I915_READ(GTIER); + error->gtier[0] = I915_READ(GTIER); error->ier = I915_READ(VLV_IER); error->forcewake = I915_READ(FORCEWAKE_VLV); } @@ -1138,9 +1153,18 @@ static void i915_capture_reg_state(struct drm_i915_private *dev_priv, if (HAS_HW_CONTEXTS(dev)) error->ccid = I915_READ(CCID); - if (HAS_PCH_SPLIT(dev)) { + if (IS_BROADWELL(dev)) { + for_each_pipe(pipe) + if (intel_display_power_enabled(dev_priv, + POWER_DOMAIN_PIPE(pipe))) + error->deier[pipe] = + I915_READ(GEN8_DE_PIPE_IER(pipe)); + for (i = 0; i < 4; i++) + error->gtier[i] = I915_READ(GEN8_GT_IER(i)); + error->de_misc_ier = I915_READ(GEN8_DE_MISC_IER); + } else if (HAS_PCH_SPLIT(dev)) { error->ier = I915_READ(DEIER); - error->gtier = I915_READ(GTIER); + error->gtier[0] = I915_READ(GTIER); } else if (IS_GEN2(dev)) { error->ier = I915_READ16(IER); } else if (!IS_VALLEYVIEW(dev)) {