From patchwork Tue Sep 21 17:36:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Christian_K=C3=B6nig?= X-Patchwork-Id: 12508525 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=-13.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 58DA0C433FE for ; Tue, 21 Sep 2021 17:43:20 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 29E30610A0 for ; Tue, 21 Sep 2021 17:43:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 29E30610A0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 172336EA13; Tue, 21 Sep 2021 17:43:04 +0000 (UTC) Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by gabe.freedesktop.org (Postfix) with ESMTPS id 36F186E9C9; Tue, 21 Sep 2021 17:37:13 +0000 (UTC) Received: by mail-wr1-x42e.google.com with SMTP id d6so41375287wrc.11; Tue, 21 Sep 2021 10:37:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Xs3urb+CfK37NrDBLos1427ZQKhaGuo6xOveDYDdwk4=; b=H0Rsek8xSUZLyWEKZe4XKreStzYy2VNPFqSEyNoTUFaSPUyX4R3P9PRQPy1X7gQ4c3 wbd/A+N25CV6YM2siHkR09nzeQhC40hggZbs44OYcmKETMyMhpzBrrl6za/doIjpcPDO cuOSrZAnHbR91RLNN1awE6zFZNAD+Q+goSD+1+FKkDcjcnD/BDvM1kRyKHIL4DtjGN79 fC7ks1bHMeQt+TmQJAP4UQoJIpPFUfki8G/LIlmm6M9okevMEoBW7ceyZpH0vms8/SHm cBbo/kk2cuw+Nb0c+JfYCdSv0lpY3MWxHrCTd7O3c2qc9vWlyXKq1p0yaFDZHHeQscAD x+qQ== 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=Xs3urb+CfK37NrDBLos1427ZQKhaGuo6xOveDYDdwk4=; b=BQCKwbePg7PMI0LqX30Uc55k+kPYp5O64HF9aGFtgTB2OV5YTQxhtT3IdFNJr+mu88 tVwIlUBGJQk2XgypqDfa4SCT5bJS3R1Pjr1os8FnrsDoNB3xxNQBLHoxsqaevFRX9QWG KdEI4/nFLud1oQayrYkKaoSxWJtg6MbnZu1O26IZOBCOmvMejlxKfClL1KXVeKJbG1L5 d5/KPc2tguQ3jtRnZPBPASyPCtenREeU8rHLY95vn6GVIqti2C8nOR7K3SPdtZt+jrO1 B1CuGnzJNMMjMqWoI2zdKt6sbBesV+GczSFgtJMJf/bsS3SVMrVzAU1Hl/GTt5SRbZuW qe9Q== X-Gm-Message-State: AOAM5320GKpXGw3kcSTAH0mSrRmd200fRfBj/455qSm4dDUocVdfLP8I f/pA3WWe5EVgUplDpEZAi20= X-Google-Smtp-Source: ABdhPJwich8Zl0t7zBwPVpsRu7yBppehopcoUXMfKa4OOLk2jjioFZ1v3ZxiRnjyippNt8C/aGgXzw== X-Received: by 2002:a5d:4a4e:: with SMTP id v14mr36153785wrs.271.1632245831727; Tue, 21 Sep 2021 10:37:11 -0700 (PDT) Received: from abel.fritz.box (p5b0ea1b5.dip0.t-ipconnect.de. [91.14.161.181]) by smtp.gmail.com with ESMTPSA id z13sm23310477wrs.90.2021.09.21.10.37.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Sep 2021 10:37:10 -0700 (PDT) From: " =?utf-8?q?Christian_K=C3=B6nig?= " X-Google-Original-From: =?utf-8?q?Christian_K=C3=B6nig?= To: ckoenig.leichtzumerken@gmail.com, linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, intel-gfx@lists.freedesktop.org Cc: daniel@ffwll.ch, tvrtko.ursulin@linux.intel.com Date: Tue, 21 Sep 2021 19:36:43 +0200 Message-Id: <20210921173659.246165-10-christian.koenig@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210921173659.246165-1-christian.koenig@amd.com> References: <20210921173659.246165-1-christian.koenig@amd.com> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 21 Sep 2021 17:43:00 +0000 Subject: [Intel-gfx] [PATCH 10/26] drm/msm: use new iterator in msm_gem_describe X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Simplifying the code a bit. Also drop the RCU read side lock since the object is locked anyway. Untested since I can't get the driver to compile on !ARM. Signed-off-by: Christian König --- drivers/gpu/drm/msm/msm_gem.c | 19 +++++-------------- 1 file changed, 5 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 22308a1b66fc..14907622769f 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -880,7 +880,7 @@ void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m, { struct msm_gem_object *msm_obj = to_msm_bo(obj); struct dma_resv *robj = obj->resv; - struct dma_resv_list *fobj; + struct dma_resv_iter cursor; struct dma_fence *fence; struct msm_gem_vma *vma; uint64_t off = drm_vma_node_start(&obj->vma_node); @@ -955,22 +955,13 @@ void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m, seq_puts(m, "\n"); } - rcu_read_lock(); - fobj = dma_resv_shared_list(robj); - if (fobj) { - unsigned int i, shared_count = fobj->shared_count; - - for (i = 0; i < shared_count; i++) { - fence = rcu_dereference(fobj->shared[i]); + dma_resv_for_each_fence(&cursor, robj, true, fence) { + if (dma_resv_iter_is_exclusive(&cursor)) + describe_fence(fence, "Exclusive", m); + else describe_fence(fence, "Shared", m); - } } - fence = dma_resv_excl_fence(robj); - if (fence) - describe_fence(fence, "Exclusive", m); - rcu_read_unlock(); - msm_gem_unlock(obj); }