From patchwork Fri May 28 10:57:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Hellstrom X-Patchwork-Id: 12286721 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=-13.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, 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 696C5C47090 for ; Fri, 28 May 2021 10:58:32 +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 31F4A613B5 for ; Fri, 28 May 2021 10:58:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31F4A613B5 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 B15926F53B; Fri, 28 May 2021 10:58:21 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6C1198926C; Fri, 28 May 2021 10:58:19 +0000 (UTC) IronPort-SDR: mBf2kWUuuFCTAvEcMCQsts4dE/wQtuYAxIjOWkymclqyyF12wADIK8s/uzg9kdpLxQxyo7hlwH 5Tchu7fZ3TZA== X-IronPort-AV: E=McAfee;i="6200,9189,9997"; a="266821862" X-IronPort-AV: E=Sophos;i="5.83,229,1616482800"; d="scan'208";a="266821862" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2021 03:58:19 -0700 IronPort-SDR: ucxPYjwzyK9t99ClAn90R5Nhv82r6ar1SkUoxk31VUaGBfWtOnetlT81ya0iQG5BWTJvqWQ9qd PAbZe8v7aVAw== X-IronPort-AV: E=Sophos;i="5.83,229,1616482800"; d="scan'208";a="477885272" Received: from jdahlin-mobl1.ger.corp.intel.com (HELO thellst-mobl1.intel.com) ([10.249.254.92]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2021 03:58:17 -0700 From: =?utf-8?q?Thomas_Hellstr=C3=B6m?= To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Fri, 28 May 2021 12:57:42 +0200 Message-Id: <20210528105744.58271-14-thomas.hellstrom@linux.intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210528105744.58271-1-thomas.hellstrom@linux.intel.com> References: <20210528105744.58271-1-thomas.hellstrom@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v6 13/15] drm/i915: Disable mmap ioctl for gen12+ 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: =?utf-8?q?Thomas_Hellstr=C3=B6m?= Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Maarten Lankhorst The platform should exclusively use mmap_offset, one less path to worry about for discrete. Signed-off-by: Maarten Lankhorst Reviewed-by: Thomas Hellström --- drivers/gpu/drm/i915/gem/i915_gem_mman.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index f6fe5cb01438..fd1c9714f8d8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -56,10 +56,17 @@ int i915_gem_mmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file) { + struct drm_i915_private *i915 = to_i915(dev); struct drm_i915_gem_mmap *args = data; struct drm_i915_gem_object *obj; unsigned long addr; + /* mmap ioctl is disallowed for all platforms after TGL-LP. This also + * covers all platforms with local memory. + */ + if (INTEL_GEN(i915) >= 12 && !IS_TIGERLAKE(i915)) + return -EOPNOTSUPP; + if (args->flags & ~(I915_MMAP_WC)) return -EINVAL;