From patchwork Fri Oct 9 07:59:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 11825339 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0E4DF109B for ; Fri, 9 Oct 2020 08:02:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E0EFC22275 for ; Fri, 9 Oct 2020 08:02:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="PAvIUQEM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732690AbgJIICM (ORCPT ); Fri, 9 Oct 2020 04:02:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732660AbgJIH74 (ORCPT ); Fri, 9 Oct 2020 03:59:56 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02C28C0613D6 for ; Fri, 9 Oct 2020 00:59:56 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id m6so9257150wrn.0 for ; Fri, 09 Oct 2020 00:59:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=CNwEMjRKpk0SNHMR2BpU3eb5Lf8l12dJx2AoEHa9QRQ=; b=PAvIUQEM+RSj/4UjBMWApQJ5nylKvJGTUg+Uh2yOaH8fLVYPb51F1RYcc3SKKbcMgH sNy9tR823nuhLT3FMHNBrkfbaR1mpR4LJTMWp7qDAwAkb8Ezuarc2ddb75FNEEnxTKTH juj5nI/ojaXlobnL7do1JNcmBlcydYDbNdEWg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CNwEMjRKpk0SNHMR2BpU3eb5Lf8l12dJx2AoEHa9QRQ=; b=aGaHxZk7CVGR9NthoFTyFCrDmT1DE1it665K38za94TBxso4dk8o5w5X++HeQhNeiH KYJ0koqDy3C8vDfLjqiAMtYqzNchujOjd4Fma4W2kTbgdM6wLbyi8/3ZENuMmimuPBT8 Cn6cqpO5WvkNTddkjwZ85GhOV/4qcWHvxW1FCM1Qy/n3JpJ5jFGZgUCuSOzv2ecEIdLM BUjS64oqmrlsL5Q3MME5fpiiGZ5AYEu9C63BYkz2tU4yktRvx81hIjFMP6Q1Mt0zyYz1 LNNAWFdIZKZ/63z7rkmYrHWPUTk9OYLEFemMEt/G3L+BtXAGoNVqdGCw9Z/+tEDzHMBz CMiw== X-Gm-Message-State: AOAM530/xf5YukaZ36AHiMAjpftqypjf9vkcpXbv3faiFaHo6giNmvFu fSumuDK6giFsIAdV0Ec6TP+6Tw== X-Google-Smtp-Source: ABdhPJyUKAqGcidqsbNLuUZKjhqRIBOtVRIIm3edqNHeTh3Stywq8z0kGb9uG6SgLPE2j0/bA4O3dQ== X-Received: by 2002:a5d:40c3:: with SMTP id b3mr14820571wrq.157.1602230394741; Fri, 09 Oct 2020 00:59:54 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id u17sm11634118wri.45.2020.10.09.00.59.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Oct 2020 00:59:54 -0700 (PDT) From: Daniel Vetter To: DRI Development , LKML Cc: kvm@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-media@vger.kernel.org, linux-s390@vger.kernel.org, Daniel Vetter , Daniel Vetter , Jason Gunthorpe , Inki Dae , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Kukjin Kim , Krzysztof Kozlowski , Andrew Morton , John Hubbard , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , Jan Kara , Dan Williams Subject: [PATCH v2 02/17] drm/exynos: Use FOLL_LONGTERM for g2d cmdlists Date: Fri, 9 Oct 2020 09:59:19 +0200 Message-Id: <20201009075934.3509076-3-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201009075934.3509076-1-daniel.vetter@ffwll.ch> References: <20201009075934.3509076-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org The exynos g2d interface is very unusual, but it looks like the userptr objects are persistent. Hence they need FOLL_LONGTERM. Signed-off-by: Daniel Vetter Cc: Jason Gunthorpe Cc: Inki Dae Cc: Joonyoung Shim Cc: Seung-Woo Kim Cc: Kyungmin Park Cc: Kukjin Kim Cc: Krzysztof Kozlowski Cc: Andrew Morton Cc: John Hubbard Cc: Jérôme Glisse Cc: Jan Kara Cc: Dan Williams Cc: linux-mm@kvack.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-media@vger.kernel.org --- drivers/gpu/drm/exynos/exynos_drm_g2d.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index ecede41af9b9..1e0c5a7f206e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -475,7 +475,8 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct g2d_data *g2d, goto err_free; } - ret = pin_user_pages_fast(start, npages, FOLL_FORCE | FOLL_WRITE, + ret = pin_user_pages_fast(start, npages, + FOLL_FORCE | FOLL_WRITE | FOLL_LONGTERM, g2d_userptr->pages); if (ret != npages) { DRM_DEV_ERROR(g2d->dev,