From patchwork Wed Jun 19 13:24:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 11004205 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 674A11580 for ; Wed, 19 Jun 2019 13:25:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 57367285C6 for ; Wed, 19 Jun 2019 13:25:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4BDD128641; Wed, 19 Jun 2019 13:25:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,HK_RANDOM_FROM, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E79F6285F2 for ; Wed, 19 Jun 2019 13:25:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 65BAA6E315; Wed, 19 Jun 2019 13:25:44 +0000 (UTC) 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 ESMTPS id 13EB089DD8 for ; Wed, 19 Jun 2019 13:25:37 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Jun 2019 06:25:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,392,1557212400"; d="scan'208";a="153806544" Received: from yyosef-mobl.ger.corp.intel.com (HELO localhost.localdomain) ([10.252.23.42]) by orsmga008.jf.intel.com with ESMTP; 19 Jun 2019 06:25:35 -0700 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org Date: Wed, 19 Jun 2019 14:24:45 +0100 Message-Id: <20190619132459.25351-20-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190619132459.25351-1-tvrtko.ursulin@linux.intel.com> References: <20190619132459.25351-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 19/33] drm/i915: Compartmentalize i915_ggtt_init_hw 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" X-Virus-Scanned: ClamAV using ClamSMTP From: Tvrtko Ursulin Having made start to better code compartmentalization by introducing struct intel_gt, continue the theme elsewhere in code by making functions take parameters take what logically makes most sense for them instead of the global struct drm_i915_private. Signed-off-by: Tvrtko Ursulin Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/i915_gem_gtt.c | 64 +++++++++++++++++++---------- 1 file changed, 42 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index b34fed816a98..14545c7a3031 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -3560,45 +3560,65 @@ int i915_ggtt_probe_hw(struct drm_i915_private *i915) return 0; } -/** - * i915_ggtt_init_hw - Initialize GGTT hardware - * @dev_priv: i915 device - */ -int i915_ggtt_init_hw(struct drm_i915_private *dev_priv) +static void ggtt_cleanup_hw(struct i915_ggtt *ggtt) { - struct i915_ggtt *ggtt = &dev_priv->ggtt; - int ret; + ggtt->vm.cleanup(&ggtt->vm); +} - stash_init(&dev_priv->mm.wc_stash); +static int ggtt_init_hw(struct i915_ggtt *ggtt) +{ + struct drm_i915_private *i915 = ggtt->vm.i915; + int ret = 0; + + mutex_lock(&i915->drm.struct_mutex); - /* Note that we use page colouring to enforce a guard page at the - * end of the address space. This is required as the CS may prefetch - * beyond the end of the batch buffer, across the page boundary, - * and beyond the end of the GTT if we do not provide a guard. - */ - mutex_lock(&dev_priv->drm.struct_mutex); i915_address_space_init(&ggtt->vm, VM_CLASS_GGTT); ggtt->vm.is_ggtt = true; /* Only VLV supports read-only GGTT mappings */ - ggtt->vm.has_read_only = IS_VALLEYVIEW(dev_priv); + ggtt->vm.has_read_only = IS_VALLEYVIEW(i915); - if (!HAS_LLC(dev_priv) && !HAS_PPGTT(dev_priv)) + if (!HAS_LLC(i915) && !HAS_PPGTT(i915)) ggtt->vm.mm.color_adjust = i915_gtt_color_adjust; - mutex_unlock(&dev_priv->drm.struct_mutex); - if (!io_mapping_init_wc(&dev_priv->ggtt.iomap, - dev_priv->ggtt.gmadr.start, - dev_priv->ggtt.mappable_end)) { + if (!io_mapping_init_wc(&ggtt->iomap, + ggtt->gmadr.start, + ggtt->mappable_end)) { + ggtt_cleanup_hw(ggtt); ret = -EIO; - goto out_gtt_cleanup; + goto out; } ggtt->mtrr = arch_phys_wc_add(ggtt->gmadr.start, ggtt->mappable_end); i915_ggtt_init_fences(ggtt); +out: + mutex_unlock(&i915->drm.struct_mutex); + + return ret; +} + +/** + * i915_ggtt_init_hw - Initialize GGTT hardware + * @dev_priv: i915 device + */ +int i915_ggtt_init_hw(struct drm_i915_private *dev_priv) +{ + int ret; + + stash_init(&dev_priv->mm.wc_stash); + + /* Note that we use page colouring to enforce a guard page at the + * end of the address space. This is required as the CS may prefetch + * beyond the end of the batch buffer, across the page boundary, + * and beyond the end of the GTT if we do not provide a guard. + */ + ret = ggtt_init_hw(&dev_priv->ggtt); + if (ret) + return ret; + /* * Initialise stolen early so that we may reserve preallocated * objects for the BIOS to KMS transition. @@ -3610,7 +3630,7 @@ int i915_ggtt_init_hw(struct drm_i915_private *dev_priv) return 0; out_gtt_cleanup: - ggtt->vm.cleanup(&ggtt->vm); + ggtt_cleanup_hw(&dev_priv->ggtt); return ret; }