From patchwork Fri Sep 10 08:26:54 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: 12484567 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 B7790C433F5 for ; Fri, 10 Sep 2021 08:27:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A48C4610C7 for ; Fri, 10 Sep 2021 08:27:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231800AbhIJI2W (ORCPT ); Fri, 10 Sep 2021 04:28:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231789AbhIJI2V (ORCPT ); Fri, 10 Sep 2021 04:28:21 -0400 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4431C061574 for ; Fri, 10 Sep 2021 01:27:10 -0700 (PDT) Received: by mail-wm1-x335.google.com with SMTP id v20-20020a1cf714000000b002e71f4d2026so591165wmh.1 for ; Fri, 10 Sep 2021 01:27:10 -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=aaz1/XKVq6nri9Uw2UQQseQfjyJkmrID5vYRDnEleeE=; b=a5N8gtB7x7wOQgsGTg5fo6+i3lIEKECnuhibaXMwLjgukcuTNZnoX/3B4gLOY6qTQW i3liQ75PyfcOy0oqfGQACaIn4EGODYUmw+q+IsAAy61R1AV4yWfcHCC4TbwvMFNrxPl1 MnDak6yqI7rxnrWXq/TFK35N/EcQ5xqfgaiI8JpZJErEWXa3MFX/T5fIHNviAH77Rmnq Bt7P6vIRsHeHvDy/+Q0tlyKZh/0bRqahIBIgUgVi1b//SkXKgLFzjdMFp9eYNpQnGa3U sPWtLqZSUSWtqyuJ2iUhXZok33rbWfgQ3+08gdlVjLKdw65v59E+akJuUgTUPRM46EtZ i85g== 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=aaz1/XKVq6nri9Uw2UQQseQfjyJkmrID5vYRDnEleeE=; b=0+QZh+SWgxES3QVYX0pY9ia+wDy8LIFf0mIbL3g9xvtfFpl+MkxakbUE2M6vFY21x5 fLo+QTRCAjyIO3ZWuZ/e5rAau+rw9X8QNubpFMsPBZrZkgrme93QcM9ZjaVlR7WsICWL o+YgZroJ3Wj/0sILH0e56yuzshbiRWhkz9lpDsV07ZG28b4kr+IzAuIPttuzBXSJ9+mP vhnJeEr8pzCUqkGoPCH5os7WQT+miCwln1AGCy5udMvHd87eolnCAR2fS6K5zcYy8Jdf Bu3cT4pA8mCN7yz4mIufms256lZ6OSuNNVeHODeH6798wizTVAyMTZRoovMGs7WVFvhK gZdg== X-Gm-Message-State: AOAM532u1utQeyQWdtJCxTCVCtzCU7O55OibCjKi1YB6YxX2YEwKGxpP oGOiV7bhNoekqjBm2zZc2t858IVWPiTMRDVi X-Google-Smtp-Source: ABdhPJwNg4sxGjY/to3Qc4OVsIG5ULofcu9pKXMqJiXuSTeSZcYd/FZeSHgrkCBst++XlHhVhSWXsg== X-Received: by 2002:a1c:238a:: with SMTP id j132mr7157728wmj.185.1631262429324; Fri, 10 Sep 2021 01:27:09 -0700 (PDT) Received: from abel.fritz.box (p5b0ea1b5.dip0.t-ipconnect.de. [91.14.161.181]) by smtp.gmail.com with ESMTPSA id l10sm4429756wrg.50.2021.09.10.01.27.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Sep 2021 01:27:08 -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 Cc: daniel@ffwll.ch Subject: [PATCH 13/14] drm/nouveau: use the new iterator in nouveau_fence_sync Date: Fri, 10 Sep 2021 10:26:54 +0200 Message-Id: <20210910082655.82168-13-christian.koenig@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210910082655.82168-1-christian.koenig@amd.com> References: <20210910082655.82168-1-christian.koenig@amd.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Simplifying the code a bit. Signed-off-by: Christian König --- drivers/gpu/drm/nouveau/nouveau_fence.c | 48 +++++++------------------ 1 file changed, 12 insertions(+), 36 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c index 05d0b3eb3690..dc8d7ca1e239 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.c +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c @@ -339,14 +339,15 @@ nouveau_fence_wait(struct nouveau_fence *fence, bool lazy, bool intr) } int -nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool exclusive, bool intr) +nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, + bool exclusive, bool intr) { struct nouveau_fence_chan *fctx = chan->fence; - struct dma_fence *fence; struct dma_resv *resv = nvbo->bo.base.resv; - struct dma_resv_list *fobj; + struct dma_resv_cursor cursor; + struct dma_fence *fence; struct nouveau_fence *f; - int ret = 0, i; + int ret; if (!exclusive) { ret = dma_resv_reserve_shared(resv, 1); @@ -355,10 +356,7 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool e return ret; } - fobj = dma_resv_shared_list(resv); - fence = dma_resv_excl_fence(resv); - - if (fence) { + dma_resv_for_each_fence(resv, &cursor, exclusive, fence) { struct nouveau_channel *prev = NULL; bool must_wait = true; @@ -366,41 +364,19 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool e if (f) { rcu_read_lock(); prev = rcu_dereference(f->channel); - if (prev && (prev == chan || fctx->sync(f, prev, chan) == 0)) + if (prev && (prev == chan || + fctx->sync(f, prev, chan) == 0)) must_wait = false; rcu_read_unlock(); } - if (must_wait) + if (must_wait) { ret = dma_fence_wait(fence, intr); - - return ret; - } - - if (!exclusive || !fobj) - return ret; - - for (i = 0; i < fobj->shared_count && !ret; ++i) { - struct nouveau_channel *prev = NULL; - bool must_wait = true; - - fence = rcu_dereference_protected(fobj->shared[i], - dma_resv_held(resv)); - - f = nouveau_local_fence(fence, chan->drm); - if (f) { - rcu_read_lock(); - prev = rcu_dereference(f->channel); - if (prev && (prev == chan || fctx->sync(f, prev, chan) == 0)) - must_wait = false; - rcu_read_unlock(); + if (ret) + return ret; } - - if (must_wait) - ret = dma_fence_wait(fence, intr); } - - return ret; + return 0; } void