From patchwork Tue Jul 19 14:04:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gwan-gyeong Mun X-Patchwork-Id: 12922573 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 088E6C43334 for ; Tue, 19 Jul 2022 14:07:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 011F512AE5F; Tue, 19 Jul 2022 14:06:29 +0000 (UTC) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id DECED14ADA4; Tue, 19 Jul 2022 14:06:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1658239561; x=1689775561; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=BCTGBD10Jed4Oi1ESc2XFHwH9gcczME1KdhWYgPO7/k=; b=lOqoQ/BHM2t/Rngordq+BH0y6aBDEFYoQQnpmDdh+x53ZLO2zwn1HtPw O7LjPoFYG9TjQncZcE8k+ualCR70CJ0h1KsbCTw3vkbBX1Q9W+19Bu+XO T3h+sCjBDJRPc1S71FhCG0TkgJe0cN9DN33+5/QnpVZbaOPRsjHrRDip7 9KL/rN0JM+v0jGo4bDHfVoMnm/l5UgnrMnraYxRhk9peqZQtHJaf2KtWc RNfHlulCSDrW0nMxmfFqhzsgsrN5KSGwcA1XRMgVjL8d5quOdNl1rfvOW St7gFn5UgtbxDPLbASDeQLhq6NO676vcmiST1GJKuptaapnL66xnL3Ypo g==; X-IronPort-AV: E=McAfee;i="6400,9594,10412"; a="269523418" X-IronPort-AV: E=Sophos;i="5.92,284,1650956400"; d="scan'208";a="269523418" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jul 2022 07:05:45 -0700 X-IronPort-AV: E=Sophos;i="5.92,284,1650956400"; d="scan'208";a="655773815" Received: from unknown (HELO hades.ger.corp.intel.com) ([10.252.55.53]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jul 2022 07:05:42 -0700 From: Gwan-gyeong Mun To: intel-gfx@lists.freedesktop.org Subject: [PATCH v4 6/7] drm/i915: Use error code as -E2BIG when the size of gem ttm object is too large Date: Tue, 19 Jul 2022 17:04:23 +0300 Message-Id: <20220719140424.430572-7-gwan-gyeong.mun@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220719140424.430572-1-gwan-gyeong.mun@intel.com> References: <20220719140424.430572-1-gwan-gyeong.mun@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: thomas.hellstrom@linux.intel.com, jani.nikula@intel.com, dri-devel@lists.freedesktop.org, chris@chris-wilson.co.uk, airlied@linux.ie, matthew.auld@intel.com, mchehab@kernel.org, nirmoy.das@intel.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 Hellström Reviewed-by: Nirmoy Das Reviewed-by: Mauro Carvalho Chehab --- 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 88f2887627dc..4d478bf325be 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_region *mem, ret = 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 == -ENOSPC) + ret = -E2BIG; + if (ret) return i915_ttm_err_to_gem(ret);