From patchwork Fri Oct 23 12:21:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 11852933 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 BBA8B16BC for ; Fri, 23 Oct 2020 12:23:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9313A2464E for ; Fri, 23 Oct 2020 12:23:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="HLKP8/sU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S463652AbgJWMXA (ORCPT ); Fri, 23 Oct 2020 08:23:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S463654AbgJWMW7 (ORCPT ); Fri, 23 Oct 2020 08:22:59 -0400 Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8097C0613D2 for ; Fri, 23 Oct 2020 05:22:58 -0700 (PDT) Received: by mail-wm1-x344.google.com with SMTP id c16so1300156wmd.2 for ; Fri, 23 Oct 2020 05:22:58 -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=HLKP8/sUzUrEFqrvdfp4nIWF3Fj3rdBIXl3euidd+sV2PDSfKG6erI11swR+hCO22K SrU2t7SID5EyIcOumwAw8pvvF8+cj7hxL+5Xc9w7THMCq1a4kc7ovtRIlSLFE6Z6wvW9 xJUHAA5lVFAEQmCV4toX9HY0sQbKAmWG/AZ00= 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=uNzudO1q1omWEpCB3zGQhBldLwDRmBnWeomF2cKVa0tvjSXES8WDp0eq9yJnFfifB/ CjgrYc4GIIPo7IJWcwKSBXreCK2MjVD2b9JOV0BPdOwLhV/xzANRcK3n1+aCXrgtpMbM g0FSIC/Q0wMNsb2xif9WsnyLab1mm//ei2+qe7cW1hsMdeoBF1Ex1HzTzUu7EDZGbOkI YiTKyhF+5zl2/Pljg8CyA97ObIKFLLgu5q4XcXSZPBBninMpskM26VtnHZn/J4Zi2xi8 H/LciUPu4Z/8rud2JyoTXoCTanccu+jI3HI6GfIDtY5poCbucFjwdkVAPTBM2p0afJ34 UDzA== X-Gm-Message-State: AOAM533QCea7eje8bTTNIEfl4CnW8XHXOX/oEaB57wFadveB37Vg2gLn BxEBmqoVe0HMFJGmXhI4uTX4/Q== X-Google-Smtp-Source: ABdhPJzooQe5/oLZHxZZgmc8taLUFT3g7cbiBkIxYHgxSDDcYbP1QZs6l4Y9xlT/uD3YRe4MsGFoyA== X-Received: by 2002:a1c:b389:: with SMTP id c131mr2156367wmf.73.1603455777607; Fri, 23 Oct 2020 05:22:57 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id y4sm3056484wrp.74.2020.10.23.05.22.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2020 05:22:57 -0700 (PDT) From: Daniel Vetter To: DRI Development Cc: Intel Graphics Development , 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 , linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH 31/65] drm/exynos: Use FOLL_LONGTERM for g2d cmdlists Date: Fri, 23 Oct 2020 14:21:42 +0200 Message-Id: <20201023122216.2373294-31-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201023122216.2373294-1-daniel.vetter@ffwll.ch> References: <20201021163242.1458885-1-daniel.vetter@ffwll.ch> <20201023122216.2373294-1-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,