From patchwork Sun Jul 9 13:27:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 9831781 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 591B9602BD for ; Sun, 9 Jul 2017 13:27:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 39BBB27165 for ; Sun, 9 Jul 2017 13:27:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0D620283C4; Sun, 9 Jul 2017 13:27:59 +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 74E0727165 for ; Sun, 9 Jul 2017 13:27:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4D9B789D8A; Sun, 9 Jul 2017 13:27:56 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6207189D79 for ; Sun, 9 Jul 2017 13:27:54 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from haswell.alporthouse.com (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP id 7686043-1500050 for multiple; Sun, 09 Jul 2017 14:27:31 +0100 Received: by haswell.alporthouse.com (sSMTP sendmail emulation); Sun, 09 Jul 2017 14:27:32 +0100 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Sun, 9 Jul 2017 14:27:30 +0100 Message-Id: <20170709132730.5843-1-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.13.2 X-Originating-IP: 78.156.65.138 X-Country: code=GB country="United Kingdom" ip=78.156.65.138 Subject: [Intel-gfx] [PATCH] drm/i915: Emit a user level message when resetting the GPU (or engine) 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 Although a banned context will be told to -EIO off if they try to submit more requests, we have a discrepancy between whole device resets and per-engine resets where we report the GPU reset but not the engine resets. This leaves a bit of mystery as to why the context was banned, and also reduces awareness overall of when a GPU (engine) reset occurs with its possible side-effects. Signed-off-by: Chris Wilson Cc: Michel Thierry Cc: Mika Kuoppala Reviewed-by: Mika Kuoppala Acked-by: Michel Thierry --- drivers/gpu/drm/i915/i915_drv.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index d3076a74c17e..dde5783b8f80 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1865,9 +1865,10 @@ void i915_reset(struct drm_i915_private *dev_priv) if (!i915_gem_unset_wedged(dev_priv)) goto wakeup; + dev_notice(dev_priv->drm.dev, + "Resetting chip after gpu hang\n"); error->reset_count++; - pr_notice("drm/i915: Resetting chip after gpu hang\n"); disable_irq(dev_priv->drm.irq); ret = i915_gem_reset_prepare(dev_priv); if (ret) { @@ -1945,7 +1946,9 @@ int i915_reset_engine(struct intel_engine_cs *engine) GEM_BUG_ON(!test_bit(I915_RESET_ENGINE + engine->id, &error->flags)); - DRM_DEBUG_DRIVER("resetting %s\n", engine->name); + dev_notice(engine->i915->drm.dev, + "Resetting %s after gpu hang\n", engine->name); + error->reset_engine_count[engine->id]++; active_request = i915_gem_reset_prepare_engine(engine); if (IS_ERR(active_request)) { @@ -1978,7 +1981,6 @@ int i915_reset_engine(struct intel_engine_cs *engine) if (ret) goto out; - error->reset_engine_count[engine->id]++; out: i915_gem_reset_finish_engine(engine); return ret;