From patchwork Tue Feb 26 11:05:08 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Kuoppala X-Patchwork-Id: 2185051 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id ECCF3DF215 for ; Tue, 26 Feb 2013 11:07:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C7F6BE6509 for ; Tue, 26 Feb 2013 03:07:51 -0800 (PST) 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 16A4EE5D3A for ; Tue, 26 Feb 2013 03:02:39 -0800 (PST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 26 Feb 2013 03:02:24 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,739,1355126400"; d="scan'208";a="296016451" Received: from rosetta.fi.intel.com (HELO rosetta) ([10.237.72.51]) by fmsmga002.fm.intel.com with ESMTP; 26 Feb 2013 03:02:23 -0800 Received: by rosetta (Postfix, from userid 1000) id 08FA4800DF; Tue, 26 Feb 2013 13:05:20 +0200 (EET) From: Mika Kuoppala To: intel-gfx@lists.freedesktop.org Date: Tue, 26 Feb 2013 13:05:08 +0200 Message-Id: <1361876716-8625-6-git-send-email-mika.kuoppala@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1361876716-8625-1-git-send-email-mika.kuoppala@intel.com> References: <1361876716-8625-1-git-send-email-mika.kuoppala@intel.com> Subject: [Intel-gfx] [PATCH 05/13] drm/i915: introduce i915_hangcheck_ring_hung X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org In preparation to track per ring progress in hangcheck, add i915_hangcheck_ring_hung. Signed-off-by: Mika Kuoppala --- drivers/gpu/drm/i915/i915_irq.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index de5af12..b828807 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1771,28 +1771,35 @@ static bool kick_ring(struct intel_ring_buffer *ring) return false; } +static bool i915_hangcheck_ring_hung(struct drm_device *dev, + struct intel_ring_buffer *ring) +{ + if (!IS_GEN2(dev)) { + /* Is the chip hanging on a WAIT_FOR_EVENT? + * If so we can simply poke the RB_WAIT bit + * and break the hang. This should work on + * all but the second generation chipsets. + */ + return !kick_ring(ring); + } + + return false; +} + static bool i915_hangcheck_hung(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; if (dev_priv->gpu_error.hangcheck_count++ > 1) { bool hung = true; + struct intel_ring_buffer *ring; + int i; DRM_ERROR("Hangcheck timer elapsed... GPU hung\n"); i915_handle_error(dev, true); - if (!IS_GEN2(dev)) { - struct intel_ring_buffer *ring; - int i; - - /* Is the chip hanging on a WAIT_FOR_EVENT? - * If so we can simply poke the RB_WAIT bit - * and break the hang. This should work on - * all but the second generation chipsets. - */ - for_each_ring(ring, dev_priv, i) - hung &= !kick_ring(ring); - } + for_each_ring(ring, dev_priv, i) + hung &= i915_hangcheck_ring_hung(dev, ring); return hung; }