From patchwork Thu Dec 2 18:15:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthew Auld X-Patchwork-Id: 12653229 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 55245C4332F for ; Thu, 2 Dec 2021 18:15:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8522A6E936; Thu, 2 Dec 2021 18:15:43 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id A43E46EB26; Thu, 2 Dec 2021 18:15:41 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10185"; a="236575946" X-IronPort-AV: E=Sophos;i="5.87,282,1631602800"; d="scan'208";a="236575946" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Dec 2021 10:15:41 -0800 X-IronPort-AV: E=Sophos;i="5.87,282,1631602800"; d="scan'208";a="477995735" Received: from cmichel-mobl.ger.corp.intel.com (HELO mwauld-desk1.intel.com) ([10.252.25.51]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Dec 2021 10:15:40 -0800 From: Matthew Auld To: intel-gfx@lists.freedesktop.org Subject: [PATCH 5/8] drm/i915/migrate: fix length calculation Date: Thu, 2 Dec 2021 18:15:12 +0000 Message-Id: <20211202181515.2794397-5-matthew.auld@intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211202181515.2794397-1-matthew.auld@intel.com> References: <20211202181515.2794397-1-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: =?utf-8?q?Thomas_Hellstr=C3=B6m?= , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" No need to insert PTEs for the PTE window itself, also foreach expects a length not an end offset, which could be gigantic here with a second engine. Signed-off-by: Matthew Auld Cc: Thomas Hellström Cc: Ramalingam C --- drivers/gpu/drm/i915/gt/intel_migrate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c index cb0bb3b94644..2076e24e0489 100644 --- a/drivers/gpu/drm/i915/gt/intel_migrate.c +++ b/drivers/gpu/drm/i915/gt/intel_migrate.c @@ -136,7 +136,7 @@ static struct i915_address_space *migrate_vm(struct intel_gt *gt) goto err_vm; /* Now allow the GPU to rewrite the PTE via its own ppGTT */ - vm->vm.foreach(&vm->vm, base, base + sz, insert_pte, &d); + vm->vm.foreach(&vm->vm, base, d.offset - base, insert_pte, &d); } return &vm->vm;