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: 11825165 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 65080175A for ; Fri, 9 Oct 2020 08:00:02 +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 3000022275 for ; Fri, 9 Oct 2020 08:00:02 +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="PAvIUQEM" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3000022275 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 A0CE06EC73; Fri, 9 Oct 2020 07:59:57 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4EF7B6EC71 for ; Fri, 9 Oct 2020 07:59:56 +0000 (UTC) Received: by mail-wr1-x441.google.com with SMTP id e17so9218721wru.12 for ; Fri, 09 Oct 2020 00:59:56 -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=YGi9PgEbvPX2OLw+g0D2fl+0fLvRo6bEzLRzY0ffmsdqfYLZsrRviuuCWOmoyso0hf LvkZw0JXvWGRcmwbZQKR7KbeTeFNzTstMsA/np+Aq9gYYemMStMcCb79QLu96s/oExCB P1ALUNB3J8V1ZtHKsYiuhcas01mvEUMz0agCQ+H2QUcWMejHpKCN84Y1o1+8n0qZZ5FE rbtb3LdkGS8gsmiOiTJrKMiZj1nzFQk2UnzymBGoI455ALC28aQv8jfMo6uot+tHH96z wwwhiNAE4DD6ay9tdefKipuT9AxM4Zu7EgrPme4SZnvI+cGqXdYUrV3a5v/R2ttizrdz DHsw== X-Gm-Message-State: AOAM533tjVfvMBUvwH6ArDWlAjSqD9OFGjht792MiWUWDjPDKzq/Z6gp /YtueP8wA+LEH+jgjv52WWN5wloMRLWksumX 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 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 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-s390@vger.kernel.org, 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 --- 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,