From mboxrd@z Thu Jan 1 00:00:00 1970 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=-15.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,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 98765C82487 for ; Fri, 27 Nov 2020 16:43:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 569B2206D8 for ; Fri, 27 Nov 2020 16:43:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="c21Xo6Rj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731615AbgK0QmF (ORCPT ); Fri, 27 Nov 2020 11:42:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731562AbgK0QmC (ORCPT ); Fri, 27 Nov 2020 11:42:02 -0500 Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0CAC7C061A04 for ; Fri, 27 Nov 2020 08:42:01 -0800 (PST) Received: by mail-wr1-x442.google.com with SMTP id z7so6206673wrn.3 for ; Fri, 27 Nov 2020 08:42:00 -0800 (PST) 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=MT1z3cj215AzOOgO3dPH+bq94VZWhyvFICSSDrawSRQ=; b=c21Xo6Rj7estCGPrDTj8F/i7Yj+krVWD4HRtsgjJ5HM3ti0pxKMcUeJWhEPoFRCyxm 1A1kzXuYRFOR/X+6YDTzJXdBai011blJGvgmrkSXBVP5T5qkBuL2TX0c1GXUrVu68ZQV 7WLP8+TYoIE1YNuaBvjxsmSVUsTBXsc/v2np0= 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=MT1z3cj215AzOOgO3dPH+bq94VZWhyvFICSSDrawSRQ=; b=lG/7uMXQW6eXsRTh+1vFLiKN3XoBW38o3Vl5yhPFcSQdGjwAgzl4r2kJum3VWBeSiS 4XeRDP9aM3qylZxMITq9PO/BjB7ygtsglEOZQAS/zmHI2JxjV+iXmPxbi/+qs3slod6S TzWRVebNhyeaCdOsLvhRrwcCm4qE3iikp20+HiCebpX0WlPUgllw9E1RZpqACwMaYz1E b4LZU2dFmJavW/BuYnDvsZsd/cK08gG+NkljeoiyovvY3YrcJ+JiMiUZzpa57m5mONx+ 6sE+L9PT0vy6m6He5DiJlRL9O1XRitB9Bjl3gh1R1mK5P51nor2wT5i68SdzGb/ZbcYp U6FA== X-Gm-Message-State: AOAM532xpZn1DVBfV+BWTJOpY1id5DbmIBOHrbjs4XhGqiRuAwZWMQjZ 2nSQjd7V1IqwWW3MJlha5xMS+g== X-Google-Smtp-Source: ABdhPJxJ+tJLOlH6yvpyDM4wsRPMg/i5xjzosEA83cZyFmOXcl5fGMh4eoZjxhHpFGJ3CymrXbGpNw== X-Received: by 2002:adf:f783:: with SMTP id q3mr11568497wrp.88.1606495319838; Fri, 27 Nov 2020 08:41:59 -0800 (PST) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id q12sm14859078wrx.86.2020.11.27.08.41.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Nov 2020 08:41:59 -0800 (PST) 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, 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?q?J=C3=A9r=C3=B4me=20Glisse?= , Jan Kara , Dan Williams Subject: [PATCH v7 02/17] drm/exynos: Use FOLL_LONGTERM for g2d cmdlists Date: Fri, 27 Nov 2020 17:41:16 +0100 Message-Id: <20201127164131.2244124-3-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201127164131.2244124-1-daniel.vetter@ffwll.ch> References: <20201127164131.2244124-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 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); 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