From patchwork Wed Oct 30 10:38:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 11219427 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 3F29D112B for ; Wed, 30 Oct 2019 10:38:47 +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 269E4204FD for ; Wed, 30 Oct 2019 10:38:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 269E4204FD 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 ACA4C6E949; Wed, 30 Oct 2019 10:38:45 +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 98FB26E934 for ; Wed, 30 Oct 2019 10:38:35 +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 19017336-1500050 for multiple; Wed, 30 Oct 2019 10:38:30 +0000 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Wed, 30 Oct 2019 10:38:25 +0000 Message-Id: <20191030103827.2413-3-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.24.0.rc1 In-Reply-To: <20191030103827.2413-1-chris@chris-wilson.co.uk> References: <20191030103827.2413-1-chris@chris-wilson.co.uk> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/5] drm/i915/gem: Leave reloading kernel context on resume to GT X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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" As we already do reload the kernel context in intel_gt_resume, repeating that action inside i915_gem_resume() as well is redundant. Signed-off-by: Chris Wilson reviewed-by: Andi Shyti --- drivers/gpu/drm/i915/gem/i915_gem_pm.c | 30 -------------------------- 1 file changed, 30 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pm.c b/drivers/gpu/drm/i915/gem/i915_gem_pm.c index e2ee9c04ece8..64dd04ae3d57 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_pm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_pm.c @@ -11,32 +11,6 @@ #include "i915_drv.h" -static bool switch_to_kernel_context_sync(struct intel_gt *gt) -{ - bool result = !intel_gt_is_wedged(gt); - - if (intel_gt_wait_for_idle(gt, I915_GEM_IDLE_TIMEOUT) == -ETIME) { - /* XXX hide warning from gem_eio */ - if (i915_modparams.reset) { - dev_err(gt->i915->drm.dev, - "Failed to idle engines, declaring wedged!\n"); - GEM_TRACE_DUMP(); - } - - /* - * Forcibly cancel outstanding work and leave - * the gpu quiet. - */ - intel_gt_set_wedged(gt); - result = false; - } - - if (intel_gt_pm_wait_for_idle(gt)) - result = false; - - return result; -} - static void user_forcewake(struct intel_gt *gt, bool suspend) { int count = atomic_read(>->user_wakeref); @@ -158,10 +132,6 @@ void i915_gem_resume(struct drm_i915_private *i915) if (intel_gt_resume(&i915->gt)) goto err_wedged; - /* Always reload a context for powersaving. */ - if (!switch_to_kernel_context_sync(&i915->gt)) - goto err_wedged; - user_forcewake(&i915->gt, false); out_unlock: