From patchwork Fri Jul 1 18:52:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Danilo Krummrich X-Patchwork-Id: 12903621 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 4DED6C433EF for ; Fri, 1 Jul 2022 18:53:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0A09218ACAF; Fri, 1 Jul 2022 18:53:20 +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 ED01818ACC0 for ; Fri, 1 Jul 2022 18:53:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1656701597; 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=122qxecwdqzJ8Ugfz+kvOKIEtAtbHr1tJgGRsr7PPpU=; b=AvjvoYYnMLmqwseQRu1vgpGmQijxHHpy+nbzqjnJlT8EYYhLIYHP4dmZ+K5INhCf6IkceM gx1nw6W43z8YQbKfUFrrGMsxWE532w4zv/Mco22TZ/YlSRSssq3VASPgUaECrN5zBJAnNP XhPKzkGig4fxoA48BAPXnWbhE/ebOVA= Received: from mail-ed1-f71.google.com (mail-ed1-f71.google.com [209.85.208.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-92-UTTew-esN6uYm_sNgz552Q-1; Fri, 01 Jul 2022 14:53:16 -0400 X-MC-Unique: UTTew-esN6uYm_sNgz552Q-1 Received: by mail-ed1-f71.google.com with SMTP id z17-20020a05640235d100b0043762b1e1e3so2291607edc.21 for ; Fri, 01 Jul 2022 11:53:16 -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=122qxecwdqzJ8Ugfz+kvOKIEtAtbHr1tJgGRsr7PPpU=; b=iNuWdcIfkfCuGok0rLj3IPGwLB1BZ9NJXOxscN8ge8LI/LhTwjVLItYtf3XSBriF/8 FYbzHXtQPp6MM6+x/huAuJGnzVGCLD0Aymt94Hfl7saNyJKogFq7OWloh8/1hLwshATw ZWT3KG2221PSzDVAFkBU0967UBvfic4TxhAt8pRFz/b0zV5A9SAm+1b3HP9vQuFfOYqW //VxR/gxrxWuwNnveMGF5DAprwwXcegOx9atpNWyVfHLfx/tl0R6lb25zbew6bZl5d0d 2nd5RF3gF6uXpb4Xbi+vU2GgjPB+Wxg/iXsocgwr9HkmXky69tHAgn9JPgXgfBWkrEz+ B3Wg== X-Gm-Message-State: AJIora8DQPx2fRyTJ23QgN46zr/nDRtisR4Z6CZW24EW0Zs3oMAYYvHA robAH5uR3IpE8alaWTP0ylUI4X06WQowCsZICeLTDvXHdpPK7NfZ7H7di4gbhcWDvhZlyhyVYPM 5Jggi0ASzMLitX06FQqw/7x9Igf+l X-Received: by 2002:a05:6402:498:b0:435:daf0:915b with SMTP id k24-20020a056402049800b00435daf0915bmr20387351edv.322.1656701595155; Fri, 01 Jul 2022 11:53:15 -0700 (PDT) X-Google-Smtp-Source: AGRyM1tfkBYtuvcwm4VYGQy9UccCKu7Qvni141Sl+kLC2NT5OI/FHv0D+4sTupIA3MUcMStiXF0FVw== X-Received: by 2002:a05:6402:498:b0:435:daf0:915b with SMTP id k24-20020a056402049800b00435daf0915bmr20387327edv.322.1656701594973; Fri, 01 Jul 2022 11:53:14 -0700 (PDT) Received: from pollux.redhat.com ([2a02:810d:4b40:2ee8:642:1aff:fe31:a15c]) by smtp.gmail.com with ESMTPSA id cb25-20020a0564020b7900b004359dafe822sm15406658edb.29.2022.07.01.11.53.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jul 2022 11:53:14 -0700 (PDT) From: dakr@redhat.com To: airlied@linux.ie, daniel@ffwll.ch, christian.koenig@amd.com, emma@anholt.net Subject: [PATCH 05/10] drm: use idr_init_base() to initialize mode_config.object_idr Date: Fri, 1 Jul 2022 20:52:58 +0200 Message-Id: <20220701185303.284082-6-dakr@redhat.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220701185303.284082-1-dakr@redhat.com> References: <20220701185303.284082-1-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" From: Danilo Krummrich 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 --- 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 37b4b9f0e468..e2a295a4ee0b 100644 --- a/drivers/gpu/drm/drm_mode_config.c +++ b/drivers/gpu/drm/drm_mode_config.c @@ -411,7 +411,7 @@ int drmm_mode_config_init(struct drm_device *dev) INIT_LIST_HEAD(&dev->mode_config.property_blob_list); INIT_LIST_HEAD(&dev->mode_config.plane_list); INIT_LIST_HEAD(&dev->mode_config.privobj_list); - idr_init(&dev->mode_config.object_idr); + idr_init_base(&dev->mode_config.object_idr, 1); idr_init(&dev->mode_config.tile_idr); ida_init(&dev->mode_config.connector_ida); spin_lock_init(&dev->mode_config.connector_list_lock);