From patchwork Tue Jun 15 13:14:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Hellstrom X-Patchwork-Id: 12321329 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 0D615C48BE5 for ; Tue, 15 Jun 2021 13:15:16 +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 9FCDE6109D for ; Tue, 15 Jun 2021 13:15:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9FCDE6109D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5092C6E2D8; Tue, 15 Jun 2021 13:15:13 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id E45E96E2D8 for ; Tue, 15 Jun 2021 13:15:11 +0000 (UTC) IronPort-SDR: WXgeHRkT+pnpCa+Gv9bOBkfq/cSQJCGZii5QPpyC9HkhfbQ+TuwIxlvCUjnSLUPkkQVv80HM87 zNZI9WM+VqUQ== X-IronPort-AV: E=McAfee;i="6200,9189,10015"; a="205804362" X-IronPort-AV: E=Sophos;i="5.83,275,1616482800"; d="scan'208";a="205804362" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2021 06:15:11 -0700 IronPort-SDR: mB0oG1QQOqdLCHNQGquj6gyt7SJWkc/cIPi6J+oTpmkMvq1F2BUkHc88CowiKBfqR53FaEbv/7 Al8BPf17Tz6A== X-IronPort-AV: E=Sophos;i="5.83,275,1616482800"; d="scan'208";a="554443336" Received: from vgribano-mobl.ccr.corp.intel.com (HELO thellst-mobl1.intel.com) ([10.249.254.53]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2021 06:15:10 -0700 From: =?utf-8?q?Thomas_Hellstr=C3=B6m?= To: intel-gfx@lists.freedesktop.org Date: Tue, 15 Jun 2021 15:14:43 +0200 Message-Id: <20210615131451.61023-5-thomas.hellstrom@linux.intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210615131451.61023-1-thomas.hellstrom@linux.intel.com> References: <20210615131451.61023-1-thomas.hellstrom@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4 04/12] drm/i915/gt: Add an insert_entry for gen8_ppgtt X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: matthew.auld@intel.com, Chris Wilson Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Chris Wilson In the next patch, we will want to write a PTE for an explicit dma address, outside of the usual vma. Signed-off-by: Chris Wilson Reviewed-by: Matthew Auld --- drivers/gpu/drm/i915/gt/gen8_ppgtt.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c index 21c8b7350b7a..1b676d7700bf 100644 --- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c +++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c @@ -555,6 +555,24 @@ static void gen8_ppgtt_insert(struct i915_address_space *vm, } } +static void gen8_ppgtt_insert_entry(struct i915_address_space *vm, + dma_addr_t addr, + u64 offset, + enum i915_cache_level level, + u32 flags) +{ + u64 idx = offset >> GEN8_PTE_SHIFT; + struct i915_page_directory * const pdp = + gen8_pdp_for_page_index(vm, idx); + struct i915_page_directory *pd = + i915_pd_entry(pdp, gen8_pd_index(idx, 2)); + gen8_pte_t *vaddr; + + vaddr = px_vaddr(i915_pt_entry(pd, gen8_pd_index(idx, 1))); + vaddr[gen8_pd_index(idx, 0)] = gen8_pte_encode(addr, level, flags); + clflush_cache_range(&vaddr[gen8_pd_index(idx, 0)], sizeof(*vaddr)); +} + static int gen8_init_scratch(struct i915_address_space *vm) { u32 pte_flags; @@ -734,6 +752,7 @@ struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt) ppgtt->vm.bind_async_flags = I915_VMA_LOCAL_BIND; ppgtt->vm.insert_entries = gen8_ppgtt_insert; + ppgtt->vm.insert_page = gen8_ppgtt_insert_entry; ppgtt->vm.allocate_va_range = gen8_ppgtt_alloc; ppgtt->vm.clear_range = gen8_ppgtt_clear;