From patchwork Wed Jul 20 13:28:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Danilo Krummrich X-Patchwork-Id: 12923985 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 257BAC43334 for ; Wed, 20 Jul 2022 13:28:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 15CC38B410; Wed, 20 Jul 2022 13:28:55 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 986868B3B0 for ; Wed, 20 Jul 2022 13:28:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1658323726; 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=e58dSLquHj45axAkherFpVfxxB5Ff6q1Etx9OcUme9ltpzt6OtY6kf9VTKwGTqyAeO6E1+ NiD2u7ctt+B8V6TR14YE675WBRI110RWCsqkDcP+nNi0cu0oWThsjQZoMfKprl+ZPs/zW8 ciMD68peWAnYrg0rw/7mvubLlEe1myg= Received: from mail-ej1-f70.google.com (mail-ej1-f70.google.com [209.85.218.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-534-3gDlVkPtN-WP0kBIRNgGzA-1; Wed, 20 Jul 2022 09:28:45 -0400 X-MC-Unique: 3gDlVkPtN-WP0kBIRNgGzA-1 Received: by mail-ej1-f70.google.com with SMTP id s4-20020a170906500400b006feaccb3a0eso4080796ejj.11 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=vlj9L8m3PB84/ZMbtHnAs8RS86y5Q92Q9P0pNilB+bWeBxFzdbjSaS9ocvIAzyj0MF SARST6EvK8+SvnxN6WupmolYiPGAsFBSjSoRYYGCdD2s6stS28E/MMsU0NRXqoRA+wCg KiaLNtMxXKPBoWMwkb60jkeqbvGrWswlyD3m4D2GGGQ+/UmfgBffsh2kzkMZH9jCaL0c hN4y+UBJZVd0gN9w2RRCB+tZwzRttyiRcpix+ijXJ/QiEQ7it3O0lhXPg4g2gH2wsH2k wq2MKgkziFFGu0V0IIZ/jiFH7SZ4aAcU/NjD4tLOGpKyzj1Ao6VszE87YnypbrQK0X7f RGPw== X-Gm-Message-State: AJIora8FhGxUNF358Tp6TAEzUpmV6dz5M+etAGvUYzfvQq2zR0SIuY/y bqzfiVkt5wYvSA1r2jLOSsOCqX8qOX5xdQ/8dbou9aEfQ+AClYEDdWv1gnHxltyc3mT6f785Ocy gEGxY+P2tWTakPYsvcWetQN4noRM5 X-Received: by 2002:a05:6402:448b:b0:43b:5ec6:8863 with SMTP id er11-20020a056402448b00b0043b5ec68863mr23093206edb.377.1658323724422; 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 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 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dakr@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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: Danilo Krummrich , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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;