From nobody Sat Apr 11 11:11:35 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9C268C25B0F for ; Sat, 13 Aug 2022 01:09:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237975AbiHMBJz (ORCPT ); Fri, 12 Aug 2022 21:09:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237719AbiHMBJT (ORCPT ); Fri, 12 Aug 2022 21:09:19 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84A1CAB4CF for ; Fri, 12 Aug 2022 18:09:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1660352958; x=1691888958; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=vEK0tzq7uuacMBMuweRipGqfsHJFichiQ6peAPc4yRA=; b=Kq5kK2qEkjl+QQ0mMTwyBn3p042k73SHW/lJ3v+6vTsQED+4xcGymBqQ bsrGEp/pcac0kCKnVvqPAM90/VW2c3TcAnVEEdueYlZ8RE2uT7MkDzFkR yqWuxQsMwETyr6mph1oO0jFkisup3aL/8uRiZZEQ0MMME7Pf1oSEME49/ HUZbTQLue9cBErfSGAhgJxczI6wY4GH4MupcsAq2n+nOmgpsb1dw9K5dm W2NtBySP9n5h65BTE4a48CrCG4qidLvl8yS+wIFfo4cge64+Ca351mqja TD0HYWlYMvLFRE4ms1GOnjI08NG5Kx4XUtME66Cx7CyhNPf1ftLAXb3ky A==; X-IronPort-AV: E=McAfee;i="6400,9594,10437"; a="271488746" X-IronPort-AV: E=Sophos;i="5.93,233,1654585200"; d="scan'208";a="271488746" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Aug 2022 18:09:18 -0700 X-IronPort-AV: E=Sophos;i="5.93,233,1654585200"; d="scan'208";a="666038397" Received: from akoska-mobl1.ger.corp.intel.com (HELO hades.ger.corp.intel.com) ([10.252.36.156]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Aug 2022 18:09:14 -0700 From: Gwan-gyeong Mun To: intel-gfx@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, mchehab@kernel.org, chris@chris-wilson.co.uk, matthew.auld@intel.com, thomas.hellstrom@linux.intel.com, jani.nikula@intel.com, nirmoy.das@intel.com, airlied@linux.ie, daniel@ffwll.ch, andi.shyti@linux.intel.com, andrzej.hajda@intel.com Subject: [PATCH v6 7/8] drm/i915: Use error code as -E2BIG when the size of gem ttm object is too large Date: Sat, 13 Aug 2022 04:08:56 +0300 Message-Id: <20220813010857.4043956-8-gwan-gyeong.mun@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220813010857.4043956-1-gwan-gyeong.mun@intel.com> References: <20220813010857.4043956-1-gwan-gyeong.mun@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The ttm_bo_init_reserved() functions returns -ENOSPC if the size is too big to add vma. The direct function that returns -ENOSPC is drm_mm_insert_node_= in_range(). To handle the same error as other code returning -E2BIG when the size is too large, it converts return value to -E2BIG. Signed-off-by: Gwan-gyeong Mun Cc: Chris Wilson Cc: Matthew Auld Cc: Thomas Hellstr=C3=B6m Reviewed-by: Nirmoy Das Reviewed-by: Mauro Carvalho Chehab Reviewed-by: Andrzej Hajda --- drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915= /gem/i915_gem_ttm.c index 30f488712abe..88d1bfd11f1d 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -1249,6 +1249,17 @@ int __i915_gem_ttm_object_init(struct intel_memory_r= egion *mem, ret =3D ttm_bo_init_reserved(&i915->bdev, i915_gem_to_ttm(obj), bo_type, &i915_sys_placement, page_size >> PAGE_SHIFT, &ctx, NULL, NULL, i915_ttm_bo_destroy); + + /* + * XXX: The ttm_bo_init_reserved() functions returns -ENOSPC if the size + * is too big to add vma. The direct function that returns -ENOSPC is + * drm_mm_insert_node_in_range(). To handle the same error as other code + * that returns -E2BIG when the size is too large, it converts -ENOSPC to + * -E2BIG. + */ + if (size >> PAGE_SHIFT > INT_MAX && ret =3D=3D -ENOSPC) + ret =3D -E2BIG; + if (ret) return i915_ttm_err_to_gem(ret); =20 --=20 2.34.1