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 X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0CED1C3A5A6 for ; Mon, 26 Aug 2019 14:57:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D82A320874 for ; Mon, 26 Aug 2019 14:57:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="vKMW8MnM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732748AbfHZO5g (ORCPT ); Mon, 26 Aug 2019 10:57:36 -0400 Received: from mail-wm1-f67.google.com ([209.85.128.67]:50856 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732714AbfHZO5f (ORCPT ); Mon, 26 Aug 2019 10:57:35 -0400 Received: by mail-wm1-f67.google.com with SMTP id v15so15788210wml.0 for ; Mon, 26 Aug 2019 07:57:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=QMED2fB1j8XW403akPNL5uWUyUywT4Cr7sKX6D8d33c=; b=vKMW8MnMsmIfZ3q9RKQsUCPDIpRVlAZxXdCi/c2/qL3oi4csrqjL8ztMO84wk7DCe2 +K7m/jziO3Tihu4FxebbMkvnRsFCJZ1PKm0j36Pr9q9ILzVk/1bfl3mJqSZb0Lf1bwBB 0ktVKalLn8qe2gfVWiT8kQHVoT21InWLu6Fr+a7pNoMRx77kUSpc+5zQzY73THiwhulH X3xHSGEiYXXTOY8RAMfoJgvfG57HmWqUzjPu8ob1xlAMDMSe2xwgjcnzzURDgBL3Ow4Y ovOaieDn9S6JqWBKjvky77NDLPhURbe2s9tIG9V3nlQkCPUsoVK5NyNJtRMudP464IGL y/vA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=QMED2fB1j8XW403akPNL5uWUyUywT4Cr7sKX6D8d33c=; b=Bd2N6lnRMw/RK9etpsAl7seWbWfmts4tbOph8kynlb/2cirD6iCh7kXB1FLRwn8Mtw FwvRTNF2n1HQ03YyubnYnoRNB5rImNXuZ0ryfmGMevhKBkK9aT3K5NJSv7bbvV25B5DP hPYMagHIaemNrFaKaqnQ9zT3jq0BcKKSU8M7WVzKT4HOJOjgb/wz9eEFGtR+6YUAWpaB yaQrdvBgq7m5NpCna/WqpaZRRMNB5BXGTArsitlJ1V4G6kkryqDBf+nsCBB7bAvq7RRM IK3/i7T6p7X+26BKmQPgGPnQ1lATB3A3bgibt34p2MKfKIEexglwHyg2xIyVMEcKqka1 poYA== X-Gm-Message-State: APjAAAVHVNFjYUU2h2tTis1l0ssqPZHcI/Rk3CL1wdlI/WiNbKODj9AT nxz3lOOIMd93uhAqDu7PS7M3M0sR X-Google-Smtp-Source: APXvYqxWrDCpwp2XKLAqn17OsS4W4bwVW/axSxwYhqkhNORm2BfihpaM3ixcXbRJ4TtMdoZcfN+eGQ== X-Received: by 2002:a05:600c:da:: with SMTP id u26mr15028676wmm.70.1566831454269; Mon, 26 Aug 2019 07:57:34 -0700 (PDT) Received: from abel.fritz.box ([2a02:908:1252:fb60:b0e3:7a12:98e5:ca6]) by smtp.gmail.com with ESMTPSA id z8sm9865624wmi.7.2019.08.26.07.57.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Aug 2019 07:57:33 -0700 (PDT) From: "=?UTF-8?q?Christian=20K=C3=B6nig?=" X-Google-Original-From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: dri-devel@lists.freedesktop.org, chris@chris-wilson.co.uk, daniel.vetter@ffwll.ch, sumit.semwal@linaro.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org Subject: [PATCH 1/9] dma-buf: fix dma_fence_array_signaled Date: Mon, 26 Aug 2019 16:57:23 +0200 Message-Id: <20190826145731.1725-2-christian.koenig@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190826145731.1725-1-christian.koenig@amd.com> References: <20190826145731.1725-1-christian.koenig@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The function is supposed to give a hint even if signaling is not enabled. Signed-off-by: Christian König --- drivers/dma-buf/dma-fence-array.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/dma-buf/dma-fence-array.c b/drivers/dma-buf/dma-fence-array.c index d3fbd950be94..52068ee5eb35 100644 --- a/drivers/dma-buf/dma-fence-array.c +++ b/drivers/dma-buf/dma-fence-array.c @@ -103,8 +103,18 @@ static bool dma_fence_array_enable_signaling(struct dma_fence *fence) static bool dma_fence_array_signaled(struct dma_fence *fence) { struct dma_fence_array *array = to_dma_fence_array(fence); + int i, num_pending; - return atomic_read(&array->num_pending) <= 0; + num_pending = atomic_read(&array->num_pending); + if (test_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, &fence->flags)) + return num_pending <= 0; + + for (i = 0; i < array->num_fences; ++i) + if (dma_fence_is_signaled(array->fences[i]) && + --num_pending == 0) + return true; + + return false; } static void dma_fence_array_release(struct dma_fence *fence) -- 2.17.1