From patchwork Wed Jul 20 13:28:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Danilo Krummrich X-Patchwork-Id: 12923987 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 06AB5C433EF for ; Wed, 20 Jul 2022 13:29:04 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5F5388B41E; 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 532448B3A4 for ; Wed, 20 Jul 2022 13:28:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1658323723; 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=9VV2A0xt4iWoClogWKWNXWu4TrFupjD6pG6MWFdRlyI=; b=FnAnwwwzxQ8UhK8XKpBB0Gwvlqbm4M5jNT0XZC9TGi287Pw72gQ+pxg/Jv0o8DkAdglP0T icSJtE0S3j6a0SKUH0yDRfXURuDAuwoug06kyGOGYVdWhg/YWVDJPZyB0rZWLgSs3YBhBT ne+gi4WfKZpWHwbngbai9rmZdJaunGE= Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-638-82HkAMhqPoOQeIZfEADKYw-1; Wed, 20 Jul 2022 09:28:42 -0400 X-MC-Unique: 82HkAMhqPoOQeIZfEADKYw-1 Received: by mail-ed1-f69.google.com with SMTP id t5-20020a056402524500b0043a923324b2so12242750edd.22 for ; Wed, 20 Jul 2022 06:28:41 -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=9VV2A0xt4iWoClogWKWNXWu4TrFupjD6pG6MWFdRlyI=; b=bdB2szIoEcOGqV0C3Sfcl31SjrzYhzt4e6xx6nuxqAOisPB1H1FLMhibFnxVy0G4Gb /xzdYumxBNjiPORQ1Dyk2eW4jIpTCoCk67vBmnWa8VBFUEAUhZs67dy1RrJ28aE3cGAK 8sKy4nOrB3BKX858gUt9MLGBDUVlOepB4O2TNJ5l1l0Fr/Au9Vsv9IvckrU/GJsU0wI4 9KXaTjeosEIhzS7YEWlVte39cXIzBXr4L/7k0bnbSkypVEfRZGCWOTv/fBNishgp2STW QelTDG/8Y79HecRlcn3iBsR6degDsXGy+XIQaxgIslZ8XdOSNZeDeVEob/+sUk3o9X4F Du+Q== X-Gm-Message-State: AJIora/EynAxWW2bo+/4FcvgAC/NYX8byv7kRpf94AsazoZI3eQ8djBf zXKs0uy7NDSJ03bMYUPjFi0zg//InItHbhZCLsMiOhuBK7Wsd9XRd4ryBuotQakOXEPDSkHJXtN STDY3+YOTKVtFIh8ucTPabrRcWaRM X-Received: by 2002:a17:907:3f07:b0:72b:54b2:f57f with SMTP id hq7-20020a1709073f0700b0072b54b2f57fmr34761345ejc.502.1658323720507; Wed, 20 Jul 2022 06:28:40 -0700 (PDT) X-Google-Smtp-Source: AGRyM1uo8j6q388d7B1LrZ24MTAZEsBiw/LrA6Unb/g8/2liHXECnlfsKgcPxbProCFsFD4KKLtndQ== X-Received: by 2002:a17:907:3f07:b0:72b:54b2:f57f with SMTP id hq7-20020a1709073f0700b0072b54b2f57fmr34761333ejc.502.1658323720343; Wed, 20 Jul 2022 06:28:40 -0700 (PDT) Received: from pollux.redhat.com ([2a02:810d:4b40:2ee8:642:1aff:fe31:a15c]) by smtp.gmail.com with ESMTPSA id x7-20020a05640225c700b0043ac761db43sm12220687edb.55.2022.07.20.06.28.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jul 2022 06:28:40 -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 06/10] drm: use idr_init_base() to initialize mode_config.tile_idr Date: Wed, 20 Jul 2022 15:28:26 +0200 Message-Id: <20220720132830.193747-7-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/drm_mode_config.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c index e2a295a4ee0b..3d1c1ade5a25 100644 --- a/drivers/gpu/drm/drm_mode_config.c +++ b/drivers/gpu/drm/drm_mode_config.c @@ -412,7 +412,7 @@ int drmm_mode_config_init(struct drm_device *dev) INIT_LIST_HEAD(&dev->mode_config.plane_list); INIT_LIST_HEAD(&dev->mode_config.privobj_list); idr_init_base(&dev->mode_config.object_idr, 1); - idr_init(&dev->mode_config.tile_idr); + idr_init_base(&dev->mode_config.tile_idr, 1); ida_init(&dev->mode_config.connector_ida); spin_lock_init(&dev->mode_config.connector_list_lock);