From patchwork Wed Sep 22 09:10:33 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: 12510519 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,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 EA648C433FE for ; Wed, 22 Sep 2021 12:46:31 +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 B8DB4610A0 for ; Wed, 22 Sep 2021 12:46:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B8DB4610A0 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 B3AA16EB9D; Wed, 22 Sep 2021 12:46:26 +0000 (UTC) Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5D0176EB27; Wed, 22 Sep 2021 09:11:03 +0000 (UTC) Received: by mail-wr1-x431.google.com with SMTP id i23so4766254wrb.2; Wed, 22 Sep 2021 02:11:03 -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=lPdZK7BIOkQEWY2TG92V49o75qXMdIlfGURkWq4Gvi0=; b=pBrLo2ylFHnmgwC9Fv66FBGPDQvt0AVgsUNeIjzsju8Mir0zM4NILqjJFDk1sFN38q SPm76dym7XGK0ATzGVAsOPUYs1h5LgGxsuPmxX3uxA8gNqM1b5IhiRkfmgOYWArv0qJJ Z8XBguoc6rgyEY5mYq5B44bR21z4Fk4REE+Mjx7VGZXRxDuUeHGMH909Crq3ISebnASv ZN/HDeWVczA+5w5FVAjdb4J+Dy+Q/a2G3rQGMrVctnaj9KLrwRUF1ahJTN+iJUudQuAB Mk3fxtusbMfFmO+sn21XH0JdEjssw7xP5IEfsvoeQQs3P9ATsnMHy1pmHKH/gfnQt0vs t4Gg== 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=lPdZK7BIOkQEWY2TG92V49o75qXMdIlfGURkWq4Gvi0=; b=6eNK+AX1oE+S2lOiic00WwuVIRBZ08o7bX3M6dOWteqPpKvC4d9rKp0kDhcAkPfSYW 9/QMBFeR8M2Rp0qDkaU5WLpsnmM2UbAZwNNF8EuwlsQL8TFycd6XK5prNfSZXNN2mgwb gTAv+LS6AbXDv09G6kFu5S7zpPRaKsS1wx+bRuv48ECgACuDWsNgi9A4EnRuH+rxX3QZ j63+gYSAaC1K/pBTAWmgvJUsCLNJ9Z6IqFdJ2DKc/QBe9PpO6dPr5qXYhDgp+5G02fVO XZb89bwRgv/kod8TMFgg/mKryvxHH5beCLZW3ainpq3apU9gtUz6r9Nl9eVAOZNf0uXT Htag== X-Gm-Message-State: AOAM532NR2FDygbX8ymBgTx98duJVZaTL1KG6iL68E++8aT67p0FZ3BX Cm/A474MsnoB7sijQUhA+1k= X-Google-Smtp-Source: ABdhPJxnBNxiNE8nNtZqI258Uzz8x6CGbJOiAaLC1lAoINYI5ojiHVW3S8gxEOHPpOK52+GCRqmrDg== X-Received: by 2002:adf:e408:: with SMTP id g8mr40698543wrm.138.1632301861906; Wed, 22 Sep 2021 02:11:01 -0700 (PDT) Received: from abel.fritz.box (p5b0ea1b5.dip0.t-ipconnect.de. [91.14.161.181]) by smtp.gmail.com with ESMTPSA id r25sm1535515wra.76.2021.09.22.02.11.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Sep 2021 02:11:01 -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: Wed, 22 Sep 2021 11:10:33 +0200 Message-Id: <20210922091044.2612-16-christian.koenig@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210922091044.2612-1-christian.koenig@amd.com> References: <20210922091044.2612-1-christian.koenig@amd.com> MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 22 Sep 2021 12:44:58 +0000 Subject: [Intel-gfx] [PATCH 15/26] drm/i915: use the new iterator in i915_request_await_object v2 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. v2: add missing rcu_read_lock()/rcu_read_unlock() v3: use dma_resv_for_each_fence instead Signed-off-by: Christian König --- drivers/gpu/drm/i915/i915_request.c | 34 +++++------------------------ 1 file changed, 5 insertions(+), 29 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index ce446716d092..3839712ebd23 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -1509,38 +1509,14 @@ i915_request_await_object(struct i915_request *to, struct drm_i915_gem_object *obj, bool write) { - struct dma_fence *excl; + struct dma_resv_iter cursor; + struct dma_fence *fence; int ret = 0; - if (write) { - struct dma_fence **shared; - unsigned int count, i; - - ret = dma_resv_get_fences(obj->base.resv, &excl, &count, - &shared); + dma_resv_for_each_fence(&cursor, obj->base.resv, write, fence) { + ret = i915_request_await_dma_fence(to, fence); if (ret) - return ret; - - for (i = 0; i < count; i++) { - ret = i915_request_await_dma_fence(to, shared[i]); - if (ret) - break; - - dma_fence_put(shared[i]); - } - - for (; i < count; i++) - dma_fence_put(shared[i]); - kfree(shared); - } else { - excl = dma_resv_get_excl_unlocked(obj->base.resv); - } - - if (excl) { - if (ret == 0) - ret = i915_request_await_dma_fence(to, excl); - - dma_fence_put(excl); + break; } return ret;