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 D4368C43334 for ; Fri, 1 Jul 2022 18:53:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231726AbiGASx3 (ORCPT ); Fri, 1 Jul 2022 14:53:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231558AbiGASxT (ORCPT ); Fri, 1 Jul 2022 14:53:19 -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 2B106140AC for ; Fri, 1 Jul 2022 11:53:18 -0700 (PDT) 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-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=122qxecwdqzJ8Ugfz+kvOKIEtAtbHr1tJgGRsr7PPpU=; b=X2FnWw5sZlysOCJpE5P2lZOIV/Dj5fh11LdLSVlePF/sdJN+s52wvxUz8GO0p0hXaU7kPr St7wkKk++qOH5uqZ5qXJWwHZKgkpoXMYn62guzcVGxkac/HVDLADdgEB8/XSwe9c7twegE gS20h3xtPKKGCUj95wHQchd+1qPfnL0= 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-567-sadL9rk2O7OMbnDRF0yaIw-1; Fri, 01 Jul 2022 14:53:16 -0400 X-MC-Unique: sadL9rk2O7OMbnDRF0yaIw-1 Received: by mail-ed1-f69.google.com with SMTP id r12-20020a05640251cc00b00435afb01d7fso2281854edd.18 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=eMtvdY2Xl7VdmAgGGs+4WAXBH14K7ifghzfYDOWqO69AbzTB6aylOU/OzjdiP9HSq1 6xCk/NOMkSKb/JZu6Yq+hJWu7g905RIi5dHhOKm007rf6/9QPbPRJT4oJQlIcGFYWnuG IC7D9IVGbhluelySjrf5HZjyIayxgdEGx4PsHbKy8GiQnc+MOWCD2juUZ2LUxIaQMDuh tSUisZe0N0d1pjZZzAEwWmrSuu6lHOSld+JEl7vO7d85+1eoBWA9yyc7rLSWqSURjNiZ ZNWwXAwLFDr1NusLIEzKqN5CveQT8euDyg+Zv5yOAybTTfsaugyYXAwmdDV6zHDrBDBe hFwg== X-Gm-Message-State: AJIora+P0q2J9oe2vfwy2iZXTZcMI9EqGI54UTvy+rOHzwYCTEeP0WM7 +EQ4VwJ9puDMlCUwpyAo0js5W0V5kSxXLYHx0ZLRfEp9J93Azfy8Nv4reEoppOxRyKkohwlbcEG 5WQLdnuqFuv1rykcqt9QtqBsV X-Received: by 2002:a05:6402:498:b0:435:daf0:915b with SMTP id k24-20020a056402049800b00435daf0915bmr20387349edv.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 Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Danilo Krummrich 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 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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); -- 2.36.1