From mboxrd@z Thu Jan 1 00:00:00 1970 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 B07B7C43334 for ; Wed, 20 Jul 2022 13:29:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231363AbiGTN3f (ORCPT ); Wed, 20 Jul 2022 09:29:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53330 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237462AbiGTN25 (ORCPT ); Wed, 20 Jul 2022 09:28:57 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id DCB965407F for ; Wed, 20 Jul 2022 06:28:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1658323727; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HT8NZrD1nNwbS5gwsuj1LsW1Zo8PIy3JRlNd/+istdc=; b=Dx3BET1tiVFyFVln43NcAvxvNKOKV7NvldIrs7/jOXLEjz2H6C98vlN626P6pm4VPEwAIb N8dTDvaceUYONBLTbKmtBrBLjq5YqT3QdBliJ20DDr4WEtbHxzF1aRFmWl/T1d+7HDJlGN zkNQvLSfmgzDGIe2RdLVrzR2pdjDLk4= Received: from mail-ej1-f72.google.com (mail-ej1-f72.google.com [209.85.218.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-561-h9FqgtGGNU-ScUJ37_s66A-1; Wed, 20 Jul 2022 09:28:45 -0400 X-MC-Unique: h9FqgtGGNU-ScUJ37_s66A-1 Received: by mail-ej1-f72.google.com with SMTP id gt38-20020a1709072da600b0072f21d7d12dso2174331ejc.7 for ; Wed, 20 Jul 2022 06:28:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=HT8NZrD1nNwbS5gwsuj1LsW1Zo8PIy3JRlNd/+istdc=; b=u+Rvnibca6Y/RCs9/YrliVgd9aOOVjSM/Ewntxh3UyVY7ahOdUMA96ST6jscvFssRn +E8h8uR8S+w0iFtNpfVjQGSHD37md4diBFnOucB0xxXBMkJDn+LAy0SGBmyi7W748i6g R2nywLPOfs0n0pEqIn1jseDpqYHmkPivxq4RXwtSCiGXLTF17g9FQeA5HtKgGGV+skNr MEaBfd8BrkACbBEIjIxET05FJqx5hxwhUx75zYcbg3YRb09/0Z2Y8tps83M0hB63BAa2 KwQbQ7Bf3lU8HkQMvX6DVF0yAc/GsR52PSC425Rwjv0Q27fT2wwJPfPvCuRCwrtp2S9d 0vwA== X-Gm-Message-State: AJIora80zFIctw7FpDymSQqxWbiyEB/7y/tl/LI9t0NLMpMupI7+SkAg MhehbHuR/40IXYIFgxYgNgps/PwrVSkO5nfPnqyCR9BS6tyzjXliItx3W2mAA2wiNVlJQXvBB0F 3jktDBPJCasyEKrCv5Dfoz5yR X-Received: by 2002:a05:6402:448b:b0:43b:5ec6:8863 with SMTP id er11-20020a056402448b00b0043b5ec68863mr23093202edb.377.1658323724421; Wed, 20 Jul 2022 06:28:44 -0700 (PDT) X-Google-Smtp-Source: AGRyM1sL0huhxDNzivABMSLHJOkvQvPhq+NEIJUtv2pSgx9lvIUBoWWPk+tq72bF8qSorQ5UBbg3qw== X-Received: by 2002:a05:6402:448b:b0:43b:5ec6:8863 with SMTP id er11-20020a056402448b00b0043b5ec68863mr23093183edb.377.1658323724236; Wed, 20 Jul 2022 06:28:44 -0700 (PDT) Received: from pollux.redhat.com ([2a02:810d:4b40:2ee8:642:1aff:fe31:a15c]) by smtp.gmail.com with ESMTPSA id x7-20020a05640225c700b0043ac761db43sm12220687edb.55.2022.07.20.06.28.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jul 2022 06:28:43 -0700 (PDT) From: Danilo Krummrich To: airlied@linux.ie, daniel@ffwll.ch, mripard@kernel.org, christian.koenig@amd.com, emma@anholt.net Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Danilo Krummrich Subject: [PATCH RESEND 09/10] drm/via: use idr_init_base() to initialize dev_priv->object_idr Date: Wed, 20 Jul 2022 15:28:29 +0200 Message-Id: <20220720132830.193747-10-dakr@redhat.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220720132830.193747-1-dakr@redhat.com> References: <20220720132830.193747-1-dakr@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org idr_init_base(), implemented by commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient"), let us set an arbitrary base other than idr_init(), which uses base 0. Since, for this IDR, no ID < 1 is ever requested/allocated, using idr_init_base(&idr, 1) avoids unnecessary tree walks. Signed-off-by: Danilo Krummrich Acked-by: Christian König --- drivers/gpu/drm/via/via_map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/via/via_map.c b/drivers/gpu/drm/via/via_map.c index a9f6b0c11966..c20bb20c0e09 100644 --- a/drivers/gpu/drm/via/via_map.c +++ b/drivers/gpu/drm/via/via_map.c @@ -106,7 +106,7 @@ int via_driver_load(struct drm_device *dev, unsigned long chipset) if (dev_priv == NULL) return -ENOMEM; - idr_init(&dev_priv->object_idr); + idr_init_base(&dev_priv->object_idr, 1); dev->dev_private = (void *)dev_priv; dev_priv->chipset = chipset; -- 2.36.1