From patchwork Wed Jul 20 13:28:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Danilo Krummrich X-Patchwork-Id: 12923986 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 8D269C43334 for ; Wed, 20 Jul 2022 13:29:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6804F8B42B; 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 905DF8B3CF for ; Wed, 20 Jul 2022 13:28:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1658323725; 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=SAU7g0XmtNHmK1D83ahVz2l+EzcgZOJWEbwKcBBevW4=; b=HjcqYtLRY0SERqxxqO6PSxuhkRE8TDQptXL0hyH6NOHr+st6gfwbxyu0xB2UpM3R60zCLC 9FhCXOLBgp4kRcRU8yoQC9rUK4J7YmrlZTyBGUCzqp6qwamSzflkSTPKcF0mv8bfiTNQIY YdGr1TgC7LVYI1GmDc/V3cmkH8qxXDg= Received: from mail-ej1-f71.google.com (mail-ej1-f71.google.com [209.85.218.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-382-vpOTzHesO220lcYWhd2qDw-1; Wed, 20 Jul 2022 09:28:44 -0400 X-MC-Unique: vpOTzHesO220lcYWhd2qDw-1 Received: by mail-ej1-f71.google.com with SMTP id gt38-20020a1709072da600b0072f21d7d12dso2174305ejc.7 for ; Wed, 20 Jul 2022 06:28:44 -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=SAU7g0XmtNHmK1D83ahVz2l+EzcgZOJWEbwKcBBevW4=; b=yXH4Mhvw3/mDpKRCb5qJ9XpfU3y5LfsZ+VqJWVy7R2L1VWAghVzFJKcIXJs17SMxWF CqBkls7B1eM/Vdq0n5iV/PQqzvcJwiChBWolBIXxd47nmP/63Ygs7GbTK/HdLrvbA89G 2PrlE3AbTlQA3y+FS3OQZObqI5Rulk2UBwyQ11XhjyBMQx9SXNUCNcmo0/9eEc4rBzw6 pk05L6K5zpr0UAE6JXKK2owP1az+uCHEaTDCNmMTC7Dj2aRDwOrw8//g9S2xbS1yBArw A6bA8oZ4noe3iN7uffz4SyNuEcYtSxy+mlk76y+nWBOWwDSq8lTOG1BIGuFZIZCZv6tr BKxA== X-Gm-Message-State: AJIora+Ufr88IvbGkWPN0ofbDUbYcArRWBTda9y6MskdHdNfzd0J+pce QDbC4aai7r4C2EO8LYkiMuTeOqJkVnkqcPMmHp+aMyx3id1kYvFzfuRVzIAxzvNPBu0wFwNwiMj ryz7yPOyQuO4ufhS1yDbC+0+adTLF X-Received: by 2002:aa7:c6d5:0:b0:43b:a52b:2e9d with SMTP id b21-20020aa7c6d5000000b0043ba52b2e9dmr7641383eds.55.1658323723285; Wed, 20 Jul 2022 06:28:43 -0700 (PDT) X-Google-Smtp-Source: AGRyM1t+XJVzPyzWCIWUNCHkW1104cuBpXxWzX9K7AQTSOhaTvyBzI9SqYq7cbAFcGCNK4j3Viv8mQ== X-Received: by 2002:aa7:c6d5:0:b0:43b:a52b:2e9d with SMTP id b21-20020aa7c6d5000000b0043ba52b2e9dmr7641368eds.55.1658323723147; Wed, 20 Jul 2022 06:28:43 -0700 (PDT) Received: from pollux.redhat.com ([2a02:810d:4b40:2ee8:642:1aff:fe31:a15c]) by smtp.gmail.com with ESMTPSA id x7-20020a05640225c700b0043ac761db43sm12220687edb.55.2022.07.20.06.28.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jul 2022 06:28:42 -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 08/10] drm/v3d: use idr_init_base() to initialize v3d_priv->perfmon.idr Date: Wed, 20 Jul 2022 15:28:28 +0200 Message-Id: <20220720132830.193747-9-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 Reviewed-by: Melissa Wen --- drivers/gpu/drm/v3d/v3d_perfmon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/v3d/v3d_perfmon.c b/drivers/gpu/drm/v3d/v3d_perfmon.c index f6a88abccc7d..48aaaa972c49 100644 --- a/drivers/gpu/drm/v3d/v3d_perfmon.c +++ b/drivers/gpu/drm/v3d/v3d_perfmon.c @@ -95,7 +95,7 @@ struct v3d_perfmon *v3d_perfmon_find(struct v3d_file_priv *v3d_priv, int id) void v3d_perfmon_open_file(struct v3d_file_priv *v3d_priv) { mutex_init(&v3d_priv->perfmon.lock); - idr_init(&v3d_priv->perfmon.idr); + idr_init_base(&v3d_priv->perfmon.idr, 1); } static int v3d_perfmon_idr_del(int id, void *elem, void *data)