From patchwork Fri Nov 27 12:06:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Auld X-Patchwork-Id: 11936047 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 71828C63777 for ; Fri, 27 Nov 2020 12:14:07 +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 3E35E208D5 for ; Fri, 27 Nov 2020 12:14:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3E35E208D5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 85D076ED22; Fri, 27 Nov 2020 12:11:54 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2E0036ECEE; Fri, 27 Nov 2020 12:11:52 +0000 (UTC) IronPort-SDR: iuzskKT09+mOWLAN2g0+MkOv3lpeYXGFhIgA88jgVZq6uzSAITRy5YHruOecCrFe9oQ1nl4Kol Xuga40KmEWAA== X-IronPort-AV: E=McAfee;i="6000,8403,9817"; a="257092959" X-IronPort-AV: E=Sophos;i="5.78,374,1599548400"; d="scan'208";a="257092959" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2020 04:11:51 -0800 IronPort-SDR: 6cOu9ZH6uaj+5lF5Awn33KEqHYu6N9PKFMmcap8xPb3cA3z6I3rfn7hqgpf9pl5BJkMcewA+Z+ FV98e4PZpjnQ== X-IronPort-AV: E=Sophos;i="5.78,374,1599548400"; d="scan'208";a="548029899" Received: from mjgleeso-mobl.ger.corp.intel.com (HELO mwauld-desk1.ger.corp.intel.com) ([10.251.85.2]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2020 04:11:50 -0800 From: Matthew Auld To: intel-gfx@lists.freedesktop.org Subject: [RFC PATCH 136/162] drm/i915: create and destroy dummy vma Date: Fri, 27 Nov 2020 12:06:52 +0000 Message-Id: <20201127120718.454037-137-matthew.auld@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201127120718.454037-1-matthew.auld@intel.com> References: <20201127120718.454037-1-matthew.auld@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: CQ Tang , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Ramalingam C Functions for window_blt_copy defined to create and destroy the dummy vmas for virtual memory, which dont have any associated objects. These dummy vmas are used at window_blt_copy festure to associated to set of pages and create ptes at runtime and submit it for blt copy. Signed-off-by: Ramalingam C Cc: Matthew Auld Cc: CQ Tang --- drivers/gpu/drm/i915/i915_vma.c | 38 +++++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/i915_vma.h | 6 ++++++ 2 files changed, 44 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 59fe82af48b2..5537950e310f 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -100,6 +100,44 @@ static void __i915_vma_retire(struct i915_active *ref) i915_vma_put(active_to_vma(ref)); } +struct i915_vma * +i915_alloc_window_vma(struct drm_i915_private *i915, + struct i915_address_space *vm, u64 size, + u64 min_page_size) +{ + struct i915_vma *vma; + + vma = i915_vma_alloc(); + if (!vma) + return ERR_PTR(-ENOMEM); + + kref_init(&vma->ref); + mutex_init(&vma->pages_mutex); + vma->vm = i915_vm_get(vm); + vma->ops = &vm->vma_ops; + vma->obj = NULL; + vma->resv = NULL; + vma->size = size; + vma->display_alignment = I915_GTT_MIN_ALIGNMENT; + vma->page_sizes.sg = min_page_size; + + i915_active_init(&vma->active, __i915_vma_active, __i915_vma_retire); + INIT_LIST_HEAD(&vma->closed_link); + + GEM_BUG_ON(!IS_ALIGNED(vma->size, I915_GTT_PAGE_SIZE)); + GEM_BUG_ON(i915_is_ggtt(vm)); + + return vma; +} + +void i915_destroy_window_vma(struct i915_vma *vma) +{ + i915_active_fini(&vma->active); + i915_vm_put(vma->vm); + mutex_destroy(&vma->pages_mutex); + i915_vma_free(vma); +} + static struct i915_vma * vma_create(struct drm_i915_gem_object *obj, struct i915_address_space *vm, diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h index 2db4f25b8d5f..f595fe706010 100644 --- a/drivers/gpu/drm/i915/i915_vma.h +++ b/drivers/gpu/drm/i915/i915_vma.h @@ -44,6 +44,12 @@ i915_vma_instance(struct drm_i915_gem_object *obj, struct i915_address_space *vm, const struct i915_ggtt_view *view); +struct i915_vma * +i915_alloc_window_vma(struct drm_i915_private *i915, + struct i915_address_space *vm, u64 size, + u64 min_page_size); +void i915_destroy_window_vma(struct i915_vma *vma); + void i915_vma_unpin_and_release(struct i915_vma **p_vma, unsigned int flags); #define I915_VMA_RELEASE_MAP BIT(0)