From patchwork Sun May 3 11:21:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 11524441 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 78EAD92A for ; Sun, 3 May 2020 11:22:01 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6135B20787 for ; Sun, 3 May 2020 11:22:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6135B20787 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chris-wilson.co.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 480D66E1F4; Sun, 3 May 2020 11:21:53 +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 B2C666E193 for ; Sun, 3 May 2020 11:21:49 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from build.alporthouse.com (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP id 21097497-1500050 for multiple; Sun, 03 May 2020 12:21:41 +0100 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Sun, 3 May 2020 12:21:32 +0100 Message-Id: <20200503112132.17899-14-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200503112132.17899-1-chris@chris-wilson.co.uk> References: <20200503112132.17899-1-chris@chris-wilson.co.uk> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 14/14] drm/i915: Drop I915_IDLE_ENGINES_TIMEOUT X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chris Wilson Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" This timeout is only used in one place, to provide a tiny bit of grace for slow igt to cleanup after themselves. If we are a bit stricter and opt to kill outstanding requsts rather than wait, we can speed up igt by not waiting for 200ms after a hang. Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_debugfs.c | 11 ++++++----- drivers/gpu/drm/i915/i915_drv.h | 2 -- 2 files changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 8e98df6a3045..649acf1fc33d 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1463,12 +1463,13 @@ gt_drop_caches(struct intel_gt *gt, u64 val) { int ret; - if (val & DROP_RESET_ACTIVE && - wait_for(intel_engines_are_idle(gt), I915_IDLE_ENGINES_TIMEOUT)) - intel_gt_set_wedged(gt); + if (val & (DROP_RETIRE | DROP_RESET_ACTIVE)) + intel_gt_wait_for_idle(gt, 1); - if (val & DROP_RETIRE) - intel_gt_retire_requests(gt); + if (val & DROP_RESET_ACTIVE && intel_gt_pm_get_if_awake(gt)) { + intel_gt_set_wedged(gt); + intel_gt_pm_put(gt); + } if (val & (DROP_IDLE | DROP_ACTIVE)) { ret = intel_gt_wait_for_idle(gt, MAX_SCHEDULE_TIMEOUT); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index cdea08962ab5..b12e9f39289e 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -612,8 +612,6 @@ struct i915_gem_mm { u32 shrink_count; }; -#define I915_IDLE_ENGINES_TIMEOUT (200) /* in ms */ - unsigned long i915_fence_timeout(const struct drm_i915_private *i915); /* Amount of SAGV/QGV points, BSpec precisely defines this */