From patchwork Fri Jun 13 15:37:19 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: oscar.mateo@intel.com X-Patchwork-Id: 4349711 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 [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 9C208BEEAA for ; Fri, 13 Jun 2014 15:42:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7B6EC20263 for ; Fri, 13 Jun 2014 15:42:54 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 835F22022A for ; Fri, 13 Jun 2014 15:42:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 944ED6EA3F; Fri, 13 Jun 2014 08:42:52 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id E240B6EA3F for ; Fri, 13 Jun 2014 08:42:51 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 13 Jun 2014 08:42:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,471,1400050800"; d="scan'208";a="555136293" Received: from omateolo-linux2.iwi.intel.com ([172.28.253.145]) by fmsmga002.fm.intel.com with ESMTP; 13 Jun 2014 08:42:50 -0700 From: oscar.mateo@intel.com To: intel-gfx@lists.freedesktop.org Date: Fri, 13 Jun 2014 16:37:19 +0100 Message-Id: <1402673891-14618-2-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1402673891-14618-1-git-send-email-oscar.mateo@intel.com> References: <1402673891-14618-1-git-send-email-oscar.mateo@intel.com> Subject: [Intel-gfx] [PATCH 01/53] drm/i915: Extract context backing object allocation X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 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=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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: Oscar Mateo We are going to use it later to allocate our own context objects. No functional changes. Signed-off-by: Oscar Mateo --- drivers/gpu/drm/i915/i915_drv.h | 2 ++ drivers/gpu/drm/i915/i915_gem_context.c | 54 +++++++++++++++++++++------------ 2 files changed, 37 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 506386e..24f084d 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2386,6 +2386,8 @@ int i915_switch_context(struct intel_engine_cs *ring, struct intel_context *to); struct intel_context * i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id); +struct drm_i915_gem_object * +i915_gem_alloc_context_obj(struct drm_device *dev, size_t size); void i915_gem_context_free(struct kref *ctx_ref); static inline void i915_gem_context_reference(struct intel_context *ctx) { diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 3ffe308..4efa5ca 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -198,6 +198,36 @@ void i915_gem_context_free(struct kref *ctx_ref) kfree(ctx); } +struct drm_i915_gem_object * +i915_gem_alloc_context_obj(struct drm_device *dev, size_t size) +{ + struct drm_i915_gem_object *obj; + int ret; + + obj = i915_gem_alloc_object(dev, size); + if (obj == NULL) + return ERR_PTR(-ENOMEM); + + /* + * Try to make the context utilize L3 as well as LLC. + * + * On VLV we don't have L3 controls in the PTEs so we + * shouldn't touch the cache level, especially as that + * would make the object snooped which might have a + * negative performance impact. + */ + if (INTEL_INFO(dev)->gen >= 7 && !IS_VALLEYVIEW(dev)) { + ret = i915_gem_object_set_cache_level(obj, I915_CACHE_L3_LLC); + /* Failure shouldn't ever happen this early */ + if (WARN_ON(ret)) { + drm_gem_object_unreference(&obj->base); + return ERR_PTR(ret); + } + } + + return obj; +} + static struct i915_hw_ppgtt * create_vm_for_ctx(struct drm_device *dev, struct intel_context *ctx) { @@ -234,27 +264,13 @@ __create_hw_context(struct drm_device *dev, list_add_tail(&ctx->link, &dev_priv->context_list); if (dev_priv->hw_context_size) { - ctx->obj = i915_gem_alloc_object(dev, dev_priv->hw_context_size); - if (ctx->obj == NULL) { - ret = -ENOMEM; + struct drm_i915_gem_object *obj = + i915_gem_alloc_context_obj(dev, dev_priv->hw_context_size); + if (IS_ERR(obj)) { + ret = PTR_ERR(obj); goto err_out; } - - /* - * Try to make the context utilize L3 as well as LLC. - * - * On VLV we don't have L3 controls in the PTEs so we - * shouldn't touch the cache level, especially as that - * would make the object snooped which might have a - * negative performance impact. - */ - if (INTEL_INFO(dev)->gen >= 7 && !IS_VALLEYVIEW(dev)) { - ret = i915_gem_object_set_cache_level(ctx->obj, - I915_CACHE_L3_LLC); - /* Failure shouldn't ever happen this early */ - if (WARN_ON(ret)) - goto err_out; - } + ctx->obj = obj; } /* Default context will never have a file_priv */