From patchwork Thu Dec 26 11:18:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 11310463 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 07A161395 for ; Thu, 26 Dec 2019 11:18:43 +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 E35F42075E for ; Thu, 26 Dec 2019 11:18:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E35F42075E 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 A5B7889AA2; Thu, 26 Dec 2019 11:18:40 +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 03C6089AA2 for ; Thu, 26 Dec 2019 11:18:38 +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 19696281-1500050 for ; Thu, 26 Dec 2019 11:18:34 +0000 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Thu, 26 Dec 2019 11:18:34 +0000 Message-Id: <20191226111834.2545953-1-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Subject: [Intel-gfx] [CI] drm/i915/gt: Apply sanitiization just before resume 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Bring sanitization completely underneath the umbrella of intel_gt, and perform it exclusively after suspend and before the next resume. Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/gt/intel_gt.c | 6 ----- drivers/gpu/drm/i915/gt/intel_gt_pm.c | 31 ++++++++++------------- drivers/gpu/drm/i915/gt/intel_gt_pm.h | 2 -- drivers/gpu/drm/i915/i915_drv.c | 2 -- drivers/gpu/drm/i915/selftests/i915_gem.c | 2 -- 5 files changed, 14 insertions(+), 29 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index e4f7cc7dd88a..8a17abfbb19f 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -38,8 +38,6 @@ void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915) void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt) { gt->ggtt = ggtt; - - intel_gt_sanitize(gt, false); } static void init_unused_ring(struct intel_gt *gt, u32 base) @@ -77,10 +75,6 @@ int intel_gt_init_hw(struct intel_gt *gt) struct intel_uncore *uncore = gt->uncore; int ret; - ret = intel_gt_terminally_wedged(gt); - if (ret) - return ret; - gt->last_init_time = ktime_get(); /* Double layer security blanket, see i915_gem_init() */ diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c index 45b68a17da4d..3cda837d64c9 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c @@ -126,17 +126,7 @@ static bool reset_engines(struct intel_gt *gt) return __intel_gt_reset(gt, ALL_ENGINES) == 0; } -/** - * intel_gt_sanitize: called after the GPU has lost power - * @gt: the i915 GT container - * @force: ignore a failed reset and sanitize engine state anyway - * - * Anytime we reset the GPU, either with an explicit GPU reset or through a - * PCI power cycle, the GPU loses state and we must reset our state tracking - * to match. Note that calling intel_gt_sanitize() if the GPU has not - * been reset results in much confusion! - */ -void intel_gt_sanitize(struct intel_gt *gt, bool force) +static void gt_sanitize(struct intel_gt *gt, bool force) { struct intel_engine_cs *engine; enum intel_engine_id id; @@ -189,6 +179,10 @@ int intel_gt_resume(struct intel_gt *gt) enum intel_engine_id id; int err; + err = intel_gt_terminally_wedged(gt); + if (err) + return err; + GT_TRACE(gt, "\n"); /* @@ -201,14 +195,14 @@ int intel_gt_resume(struct intel_gt *gt) intel_uncore_forcewake_get(gt->uncore, FORCEWAKE_ALL); intel_rc6_sanitize(>->rc6); + gt_sanitize(gt, true); /* Only when the HW is re-initialised, can we replay the requests */ err = intel_gt_init_hw(gt); if (err) { dev_err(gt->i915->drm.dev, "Failed to initialize GPU, declaring it wedged!\n"); - intel_gt_set_wedged(gt); - goto err_fw; + goto err_wedged; } intel_rps_enable(>->rps); @@ -233,7 +227,7 @@ int intel_gt_resume(struct intel_gt *gt) dev_err(gt->i915->drm.dev, "Failed to restart %s (%d)\n", engine->name, err); - break; + goto err_wedged; } } @@ -243,11 +237,14 @@ int intel_gt_resume(struct intel_gt *gt) user_forcewake(gt, false); -err_fw: +out_fw: intel_uncore_forcewake_put(gt->uncore, FORCEWAKE_ALL); intel_gt_pm_put(gt); - return err; + +err_wedged: + intel_gt_set_wedged(gt); + goto out_fw; } static void wait_for_suspend(struct intel_gt *gt) @@ -315,7 +312,7 @@ void intel_gt_suspend_late(struct intel_gt *gt) intel_llc_disable(>->llc); } - intel_gt_sanitize(gt, false); + gt_sanitize(gt, false); GT_TRACE(gt, "\n"); } diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.h b/drivers/gpu/drm/i915/gt/intel_gt_pm.h index 4a9e48c12bd4..60f0e2fbe55c 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.h @@ -51,8 +51,6 @@ void intel_gt_pm_init_early(struct intel_gt *gt); void intel_gt_pm_init(struct intel_gt *gt); void intel_gt_pm_fini(struct intel_gt *gt); -void intel_gt_sanitize(struct intel_gt *gt, bool force); - void intel_gt_suspend_prepare(struct intel_gt *gt); void intel_gt_suspend_late(struct intel_gt *gt); int intel_gt_resume(struct intel_gt *gt); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 59525094d0e3..9f75e03368c4 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1817,8 +1817,6 @@ static int i915_drm_resume(struct drm_device *dev) disable_rpm_wakeref_asserts(&dev_priv->runtime_pm); - intel_gt_sanitize(&dev_priv->gt, true); - ret = i915_ggtt_enable_hw(dev_priv); if (ret) DRM_ERROR("failed to re-enable GGTT\n"); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem.c b/drivers/gpu/drm/i915/selftests/i915_gem.c index b37fc53973cc..78f36faf2bbe 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem.c @@ -124,8 +124,6 @@ static void pm_resume(struct drm_i915_private *i915) * that runtime-pm just works. */ with_intel_runtime_pm(&i915->runtime_pm, wakeref) { - intel_gt_sanitize(&i915->gt, false); - i915_gem_restore_gtt_mappings(i915); i915_gem_restore_fences(&i915->ggtt);