From patchwork Fri May 29 16:43:39 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Harrison X-Patchwork-Id: 6509241 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E3DC1C0434 for ; Fri, 29 May 2015 16:44:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DD1A720825 for ; Fri, 29 May 2015 16:44:42 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 2FDD22082D for ; Fri, 29 May 2015 16:44:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A0CAB6EDFA; Fri, 29 May 2015 09:44:39 -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 787326EDE7 for ; Fri, 29 May 2015 09:44:37 -0700 (PDT) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP; 29 May 2015 09:44:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,518,1427785200"; d="scan'208";a="578884010" Received: from johnharr-linux.isw.intel.com ([10.102.226.188]) by orsmga003.jf.intel.com with ESMTP; 29 May 2015 09:44:36 -0700 From: John.C.Harrison@Intel.com To: Intel-GFX@Lists.FreeDesktop.Org Date: Fri, 29 May 2015 17:43:39 +0100 Message-Id: <1432917856-12261-19-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 18/55] drm/i915: Add explicit request management to i915_gem_init_hw() 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 Now that a single per ring loop is being done for all the different intialisation steps in i915_gem_init_hw(), it is possible to add proper request management as well. The last remaining issue is that the context enable call eventually ends up within *_render_state_init() and this does its own private _i915_add_request() call. This patch adds explicit request creation and submission to the top level loop and removes the add_request() from deep within the sub-functions. v2: Updated for removal of batch_obj from add_request call in previous patch. For: VIZ-5115 Signed-off-by: John Harrison Reviewed-by: Tomas Elf --- drivers/gpu/drm/i915/i915_drv.h | 3 ++- drivers/gpu/drm/i915/i915_gem.c | 12 ++++++++++++ drivers/gpu/drm/i915/i915_gem_render_state.c | 2 -- drivers/gpu/drm/i915/intel_lrc.c | 5 ----- 4 files changed, 14 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 69c8f56..21045e7 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2154,7 +2154,8 @@ struct drm_i915_gem_request { struct intel_context *ctx; struct intel_ringbuffer *ringbuf; - /** Batch buffer related to this request if any */ + /** Batch buffer related to this request if any (used for + error state dump only) */ struct drm_i915_gem_object *batch_obj; /** Time at which this request was emitted, in jiffies. */ diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index a2712a6..1960e30 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -5073,8 +5073,16 @@ i915_gem_init_hw(struct drm_device *dev) /* Now it is safe to go back round and do everything else: */ for_each_ring(ring, dev_priv, i) { + struct drm_i915_gem_request *req; + WARN_ON(!ring->default_context); + ret = i915_gem_request_alloc(ring, ring->default_context, &req); + if (ret) { + i915_gem_cleanup_ringbuffer(dev); + goto out; + } + if (ring->id == RCS) { for (i = 0; i < NUM_L3_SLICES(dev); i++) i915_gem_l3_remap(ring, i); @@ -5083,6 +5091,7 @@ i915_gem_init_hw(struct drm_device *dev) ret = i915_ppgtt_init_ring(ring); if (ret && ret != -EIO) { DRM_ERROR("PPGTT enable ring #%d failed %d\n", i, ret); + i915_gem_request_cancel(req); i915_gem_cleanup_ringbuffer(dev); goto out; } @@ -5090,9 +5099,12 @@ i915_gem_init_hw(struct drm_device *dev) ret = i915_gem_context_enable(ring); if (ret && ret != -EIO) { DRM_ERROR("Context enable ring #%d failed %d\n", i, ret); + i915_gem_request_cancel(req); i915_gem_cleanup_ringbuffer(dev); goto out; } + + i915_add_request_no_flush(ring); } out: diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c index a32a4b9..a07b4ee 100644 --- a/drivers/gpu/drm/i915/i915_gem_render_state.c +++ b/drivers/gpu/drm/i915/i915_gem_render_state.c @@ -173,8 +173,6 @@ int i915_gem_render_state_init(struct intel_engine_cs *ring) i915_vma_move_to_active(i915_gem_obj_to_ggtt(so.obj), ring); - __i915_add_request(ring, NULL, NULL, true); - /* __i915_add_request moves object to inactive if it fails */ out: i915_gem_render_state_fini(&so); return ret; diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index c744362..37efa93 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1351,8 +1351,6 @@ static int intel_lr_context_render_state_init(struct intel_engine_cs *ring, { struct intel_ringbuffer *ringbuf = ctx->engine[ring->id].ringbuf; struct render_state so; - struct drm_i915_file_private *file_priv = ctx->file_priv; - struct drm_file *file = file_priv ? file_priv->file : NULL; int ret; ret = i915_gem_render_state_prepare(ring, &so); @@ -1371,9 +1369,6 @@ static int intel_lr_context_render_state_init(struct intel_engine_cs *ring, i915_vma_move_to_active(i915_gem_obj_to_ggtt(so.obj), ring); - __i915_add_request(ring, file, NULL, true); - /* intel_logical_ring_add_request moves object to inactive if it - * fails */ out: i915_gem_render_state_fini(&so); return ret;