From patchwork Thu Nov 19 14:41:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 11917841 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 C7A57C6379D for ; Thu, 19 Nov 2020 14:45:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6EC4E22261 for ; Thu, 19 Nov 2020 14:45:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="Ddjje0qG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728342AbgKSOop (ORCPT ); Thu, 19 Nov 2020 09:44:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728203AbgKSOl5 (ORCPT ); Thu, 19 Nov 2020 09:41:57 -0500 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D521AC061A48 for ; Thu, 19 Nov 2020 06:41:56 -0800 (PST) Received: by mail-wm1-x342.google.com with SMTP id s13so6964641wmh.4 for ; Thu, 19 Nov 2020 06:41:56 -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=Ddjje0qG1bJIghWsjtWQYRvphBbynvkaf3By8U2V67dCxiXTHtMXszwEn2f44EbLEE L+Lu+1lfosDCM1mlRb7cehz5sWxnIO4nIHkwb8kvmwSa9+BOXzqxUxU/vymEGXGeDUbQ SZhNUscGjB4SmbIZaWCA9rUNolsk8QvOm824s= 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=aERGnSZ1WktA/MSgSPzcfDAtb01EgAR7GNsTwVW+dFYlbMfpifa+iRFRDSPO3Vx+cd 6q4Cq9lJ3ibPgw4hy7YaEZKD011fKEKaJsx3Q5YHTnsn4EoZIWEmPVte2jLDIsYUzQ4U yGUQKq96evUjj3/4EQI6VkH+/IiIipmor5bzrmVnWSTKVINJyqcWCnBFKoGsiTlB9ONE OC16hCrF36W6moAB+Vu6yaLbG2qEWfqjTe4rdDFJ4WqZIHxf7PgT9t1puDQsjsyMKeMc oS3OPtVfg+PoT/WGMmgP/biBdv/vqCvDSr5JGXtvs9tOddKVF769vhqzOYeDmzRatfeq 0FWQ== X-Gm-Message-State: AOAM531qgfsYEJijljtjLnpPQfUhGUFH7jrLQz24PyORLK1PnPfGpVkS FBZhYKmAWopdRHLjXVj370XIWg== X-Google-Smtp-Source: ABdhPJywXqDn6sTPCQlKXylI3ANVc0SmwvT4EHUsI+7CudlPK0FFXVfs/7uxaU9QTG4LdtS85a7Rcw== X-Received: by 2002:a7b:c77a:: with SMTP id x26mr4895510wmk.63.1605796915603; Thu, 19 Nov 2020 06:41:55 -0800 (PST) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id x63sm51292wmb.48.2020.11.19.06.41.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Nov 2020 06:41:54 -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?b?SsOpcsO0bWUgR2xpc3Nl?= , Jan Kara , Dan Williams Subject: [PATCH v6 02/17] drm/exynos: Use FOLL_LONGTERM for g2d cmdlists Date: Thu, 19 Nov 2020 15:41:31 +0100 Message-Id: <20201119144146.1045202-3-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201119144146.1045202-1-daniel.vetter@ffwll.ch> References: <20201119144146.1045202-1-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 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,