From patchwork Thu Jun 24 11:29:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Hellstr=C3=B6m?= X-Patchwork-Id: 12341941 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=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 8D52AC49EA5 for ; Thu, 24 Jun 2021 11:29:35 +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 3D774611AC for ; Thu, 24 Jun 2021 11:29:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3D774611AC 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 376066EACA; Thu, 24 Jun 2021 11:29:31 +0000 (UTC) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id AF5B16EAC3; Thu, 24 Jun 2021 11:29:29 +0000 (UTC) IronPort-SDR: KhN0oItrhy/hinPQRqYpAozMeN5tD5WliDf3CcflaG6ZDcnj+nBWnT4bkPpeu5ZeAINIQVd19N U0cjDI3naSuw== X-IronPort-AV: E=McAfee;i="6200,9189,10024"; a="204443493" X-IronPort-AV: E=Sophos;i="5.83,296,1616482800"; d="scan'208";a="204443493" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2021 04:29:26 -0700 IronPort-SDR: jQPUZZpL7ULIuvNEYyenzraWhFLm2dygF8r2JZOWVFjbPKNxU8kIF8oqd0gxvj7ZoVDKlCh75i 2gQwdGW3jf6g== X-IronPort-AV: E=Sophos;i="5.83,296,1616482800"; d="scan'208";a="474479278" Received: from cmutgix-mobl.gar.corp.intel.com (HELO thellst-mobl1.intel.com) ([10.249.254.20]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2021 04:29:23 -0700 From: =?utf-8?q?Thomas_Hellstr=C3=B6m?= To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Thu, 24 Jun 2021 13:29:14 +0200 Message-Id: <20210624112914.311984-1-thomas.hellstrom@linux.intel.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2] drm/i915: Reinstate the mmap ioctl for some platforms 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?= , matthew.auld@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Reinstate the mmap ioctl for all current integrated platforms. The intention was really to have it disabled for discrete graphics where we enforce a single mmap mode. Fixes: 35cbd91eb541 ("drm/i915: Disable mmap ioctl for gen12+") Signed-off-by: Thomas Hellström Reviewed-by: Matthew Auld Acked-by: Daniel Vetter --- v2: - Added a R-B. - Fixed up the code comment a bit. --- drivers/gpu/drm/i915/gem/i915_gem_mman.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index 2fd155742bd2..4f50a508c7a0 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -62,10 +62,11 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *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. + /* + * mmap ioctl is disallowed for all discrete platforms, + * and for all platforms with GRAPHICS_VER > 12. */ - if (GRAPHICS_VER(i915) >= 12 && !IS_TIGERLAKE(i915)) + if (IS_DGFX(i915) || GRAPHICS_VER(i915) > 12) return -EOPNOTSUPP; if (args->flags & ~(I915_MMAP_WC))