From patchwork Wed Oct 21 08:56:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 11848757 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 9392914B2 for ; Wed, 21 Oct 2020 08:59:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6EEEF2245F for ; Wed, 21 Oct 2020 08:59:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="ExhcwVuF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2441236AbgJUI7I (ORCPT ); Wed, 21 Oct 2020 04:59:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2501952AbgJUI5G (ORCPT ); Wed, 21 Oct 2020 04:57:06 -0400 Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 12BCFC0613D6 for ; Wed, 21 Oct 2020 01:57:06 -0700 (PDT) Received: by mail-wr1-x441.google.com with SMTP id x7so2155330wrl.3 for ; Wed, 21 Oct 2020 01:57:06 -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=MzLc+nXcpvkOQiq6BkCYlPPhN6+7Fey8ddI3JwNu2z0=; b=ExhcwVuFro8r01Sz5/fOgu0MdAgS0lDexZuz+TZgZJBaeW+gUwRZt3CgPKBk+71vuL YdtxzMhDjriD2GGLlLdcf06cZZ1rNKPob0lIbVsDWxLXuFz+XMa24vqfVJ3XdOaz9J4K zX76LvbtYA7KgjjC8Hmo9CXXR9u8aU0b4xKXM= 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=MzLc+nXcpvkOQiq6BkCYlPPhN6+7Fey8ddI3JwNu2z0=; b=UNL6rX2fIWsGJbBdjmuiM/3Hb0dT5PHS67X+jfRNqAkswUZAOhORA9auDd8sSVXdVC CQ4DamEveDdHlevN1Jw+jDO+RiPOzFhRY+/9nTcnFBEwtQRQRvx+qA7qpBNMVSRzlENV PjhGikCVBuI1MVttjwGWfCkTPxR87KM8azhV9sI7gFNRfBBVB/210srexSv6qkAreCiz 9Am2AcxffgfEPIEMn3jcm4J6e49+zXMwiecYfCM/zSWT5CP/ZC9ls8oGRHPvcRCjPOU4 qZDQQMhVxekdbXzNbTbvTZPF77w1zHlDD9v/Jrp83IWGd7mcLZWPCu6Y6HrNt8IJtxn7 p50w== X-Gm-Message-State: AOAM531TnTmnWu/VtUK4JlMGaFZBZCUHtBWyUhE5YUT3x1FTisJZAdZ9 1wB3v1RZ9EoHRoSQylrOPvwQrg== X-Google-Smtp-Source: ABdhPJyCAH8re0IigGzSFNGR2JczHDSMi2OtGun5chATn44bOTjCNF+y6MdQtoVSvQQjUFn5n9PlOw== X-Received: by 2002:adf:cd0c:: with SMTP id w12mr3356211wrm.305.1603270624818; Wed, 21 Oct 2020 01:57:04 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id q8sm2675939wro.32.2020.10.21.01.57.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Oct 2020 01:57:04 -0700 (PDT) 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, linux-s390@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 , Daniel Vetter Subject: [PATCH v3 02/16] drm/exynos: Use FOLL_LONGTERM for g2d cmdlists Date: Wed, 21 Oct 2020 10:56:41 +0200 Message-Id: <20201021085655.1192025-3-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201021085655.1192025-1-daniel.vetter@ffwll.ch> References: <20201021085655.1192025-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@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,