From patchwork Fri Oct 1 10:05:56 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: 12530437 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FF78C433FE for ; Fri, 1 Oct 2021 12:10:37 +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 0FEDD61A8F for ; Fri, 1 Oct 2021 12:10:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 0FEDD61A8F 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 3977C6ECBA; Fri, 1 Oct 2021 12:10:23 +0000 (UTC) Received: from mail-wm1-x329.google.com (mail-wm1-x329.google.com [IPv6:2a00:1450:4864:20::329]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3632E6EDD2; Fri, 1 Oct 2021 10:06:27 +0000 (UTC) Received: by mail-wm1-x329.google.com with SMTP id z2so6809772wmc.3; Fri, 01 Oct 2021 03:06:27 -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=svmFiiyBNTOLlFWjgaUjcSSYX7QcL0TbCV34MdRHULg=; b=SeWOp56Q+stkLUfrHU+2IN8GGPWI9v1emdLlba9y3G4/qG92EwRdVpi2uAIWU+0DN6 EVoVMrpMAxdjoglRFSNcpEEM/fv+jlA3dibG7wUY8366mWI6CtSw7bF3AVicHInB4SLC hi47/Gi3XKBpCOQgoU6ELW1dEEFfAxpmvYaU7cvHPKq9suz0BKa7m7RgcY/ky/vpljRi k3wYL9r9sVEZY8wKHtV7Kzz6qu2ZwBYzalr4o/MGG+VB2XrDJa0zYBPdnovfLxA8FzRt n2Evxx85irE8Z9DNmafJ/7sKk6PBj1woVZvlrBj+Srb0Ge9s8hSk/F5BvqA3X7vvc+Cv tlUg== 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=svmFiiyBNTOLlFWjgaUjcSSYX7QcL0TbCV34MdRHULg=; b=beGay8eRy2OxrvdoUi9+1PCpPGf+sJPsVcqtO7qSJn5o3NaKv49n9PbmmH/WchO4Vt PHEy+cG9M+wAZXTE6fBlZWqckQH9L65lFufVXbfp3/5b1JwT7EDNjRnabhFjFU3gSCIm sWYBxp0WwmbAbZQ76umQpvrTvU3D2x+zVjoZuOUQWBrWTY+B0xGqc1OvzCTZTz5qae0h sOCwAbo0hxQCDVmZ3RR2DWTBaqFEJ4YGC10ZxtqTjr6Wzblig1h3i52JBROoFh85DSCk JPMPLavJ8U5yl8uy/ONWvYDQ6WsSRv7sv3jA09Fx7zPXR+Uz4GWeuN8tDSRXt5tHXC70 sWrw== X-Gm-Message-State: AOAM530kmh0dt5jvSR1xw4n3jgtH6Qikcl/KpvE2+oby8bs2uOeF339w ZEBnbS4PqFO2ixUBuYNez7k= X-Google-Smtp-Source: ABdhPJz5GdBwInX0HcHiq4cY5DrVsDDxvKbmevZjVBxvxPTmRIsT0zcitxa6m+x6ZMvly0w9A57eQQ== X-Received: by 2002:a1c:a387:: with SMTP id m129mr3546114wme.181.1633082785686; Fri, 01 Oct 2021 03:06:25 -0700 (PDT) Received: from abel.fritz.box (p5b0ea1b5.dip0.t-ipconnect.de. [91.14.161.181]) by smtp.gmail.com with ESMTPSA id v17sm5746069wro.34.2021.10.01.03.06.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Oct 2021 03:06:25 -0700 (PDT) From: " =?utf-8?q?Christian_K=C3=B6nig?= " X-Google-Original-From: =?utf-8?q?Christian_K=C3=B6nig?= To: 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: Fri, 1 Oct 2021 12:05:56 +0200 Message-Id: <20211001100610.2899-15-christian.koenig@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211001100610.2899-1-christian.koenig@amd.com> References: <20211001100610.2899-1-christian.koenig@amd.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 01 Oct 2021 12:10:22 +0000 Subject: [Intel-gfx] [PATCH 14/28] 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 40a9863f5951..5bd511f07c07 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); }