From patchwork Fri Oct 30 10:08:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 11869013 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=-9.7 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED, 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 AA0A4C63697 for ; Fri, 30 Oct 2020 10:08:44 +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 3175B2083B for ; Fri, 30 Oct 2020 10:08:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="BbkJ/dHM" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3175B2083B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 498FC6ED80; Fri, 30 Oct 2020 10:08:43 +0000 (UTC) Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9794D6ED80 for ; Fri, 30 Oct 2020 10:08:41 +0000 (UTC) Received: by mail-wr1-x444.google.com with SMTP id w14so5781539wrs.9 for ; Fri, 30 Oct 2020 03:08:41 -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=VujIMeu4s9glQHD7csuDCyNoNKl6Zu7MMMJFOASMnXs=; b=BbkJ/dHMlbaGbT5v2qi+xorvfHbbETriedETxIQjqgPefptihdq/8nPiagLn70NOjP hJ815jD1ouN/ZvUWBf58iJtuibQnD9yWzbNIqjCfhQyAhNPvu63W7zkd3x1nxJAF5gU8 bY9fFrAOiv0QwtOCtXkfCQuzos3hTh5UVLb1g= 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=VujIMeu4s9glQHD7csuDCyNoNKl6Zu7MMMJFOASMnXs=; b=o1AAP16/NsUd17fn5XHTARPw/fnViCfZlAHgTdwSS7y4W5T90B9myCmHKOsB9cS9lQ cDnAlMIvmPYJybMFMDyH2FvBawkYrrbLVr5mW/JnMH4d0q4OhvTrXnOlo5jJm8TV/XsJ KbPwHze1YNRJKGs4Q4vDxXY6wyw6CEJwt6r9GCj+qhWcYMU/cjrKm3hKfjjry9I2epfR GQMRlZWnrVGp3p0zPgICDGmnD7+sjg8qAsUshzEq1c0qJbMYNZBqZgMEZ1PubRUYJoCQ IpXY8T+qR0+pc+6no3tSOhniPKNDgr+skRYsCKNflxzA6+x/CPiJT+N7bTaEkuqaAbaI t3MQ== X-Gm-Message-State: AOAM532h6Ownp/ERhenT8pAFFb58ec9VEtE9QI1cXSpkOnBkk34xH7vb wvfmJT2YnSvt8YauXYE03rEp97JN6UEVNvWQ X-Google-Smtp-Source: ABdhPJzgBSXr8BvbjSw8746M2eM2DA3Txrtn9dyo+hNV+9Vnuc8StYnVz0tvTnlsa4noizsGW4pcgA== X-Received: by 2002:a5d:4d8a:: with SMTP id b10mr2128127wru.5.1604052520059; Fri, 30 Oct 2020 03:08:40 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id v189sm4430947wmg.14.2020.10.30.03.08.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Oct 2020 03:08:39 -0700 (PDT) From: Daniel Vetter To: DRI Development , LKML Subject: [PATCH v5 02/15] drm/exynos: Use FOLL_LONGTERM for g2d cmdlists Date: Fri, 30 Oct 2020 11:08:02 +0100 Message-Id: <20201030100815.2269-3-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201030100815.2269-1-daniel.vetter@ffwll.ch> References: <20201030100815.2269-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-samsung-soc@vger.kernel.org, Jan Kara , Joonyoung Shim , kvm@vger.kernel.org, Jason Gunthorpe , Daniel Vetter , Seung-Woo Kim , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , Krzysztof Kozlowski , linux-mm@kvack.org, Kyungmin Park , Kukjin Kim , John Hubbard , Daniel Vetter , Andrew Morton , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 Signed-off-by: Daniel Vetter --- 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,