From patchwork Fri May 29 16:43:35 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Harrison X-Patchwork-Id: 6509351 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B31469F9E8 for ; Fri, 29 May 2015 16:44:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D727120835 for ; Fri, 29 May 2015 16:44:55 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 5E1CA20830 for ; Fri, 29 May 2015 16:44:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 61CB66EE02; Fri, 29 May 2015 09:44:51 -0700 (PDT) X-Original-To: Intel-GFX@lists.freedesktop.org Delivered-To: Intel-GFX@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 4B7A76EDE7 for ; Fri, 29 May 2015 09:44:33 -0700 (PDT) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP; 29 May 2015 09:44:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,518,1427785200"; d="scan'208";a="578883978" Received: from johnharr-linux.isw.intel.com ([10.102.226.188]) by orsmga003.jf.intel.com with ESMTP; 29 May 2015 09:44:32 -0700 From: John.C.Harrison@Intel.com To: Intel-GFX@Lists.FreeDesktop.Org Date: Fri, 29 May 2015 17:43:35 +0100 Message-Id: <1432917856-12261-15-git-send-email-John.C.Harrison@Intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1432917856-12261-1-git-send-email-John.C.Harrison@Intel.com> References: <1432917856-12261-1-git-send-email-John.C.Harrison@Intel.com> Organization: Intel Corporation (UK) Ltd. - Co. Reg. #1134945 - Pipers Way, Swindon SN3 1RJ Subject: [Intel-gfx] [PATCH 14/55] drm/i915: Update i915_gpu_idle() to manage its own request 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-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: John Harrison Added explicit request creation and submission to the GPU idle code path. For: VIZ-5115 Signed-off-by: John Harrison Reviewed-by: Tomas Elf --- drivers/gpu/drm/i915/i915_gem.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 458b54e..bbd00e1 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3309,11 +3309,23 @@ int i915_gpu_idle(struct drm_device *dev) /* Flush everything onto the inactive list. */ for_each_ring(ring, dev_priv, i) { if (!i915.enable_execlists) { - ret = i915_switch_context(ring, ring->default_context); + struct drm_i915_gem_request *req; + + ret = i915_gem_request_alloc(ring, ring->default_context, &req); if (ret) return ret; + + ret = i915_switch_context(req->ring, ring->default_context); + if (ret) { + i915_gem_request_cancel(req); + return ret; + } + + i915_add_request_no_flush(req->ring); } + WARN_ON(ring->outstanding_lazy_request); + ret = intel_ring_idle(ring); if (ret) return ret;