From patchwork Mon Oct 26 10:58:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 68329 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1kX08R-001208-GU; Mon, 26 Oct 2020 10:53:56 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1773023AbgJZLAy (ORCPT + 1 other); Mon, 26 Oct 2020 07:00:54 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:40410 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1771906AbgJZK6a (ORCPT ); Mon, 26 Oct 2020 06:58:30 -0400 Received: by mail-wr1-f66.google.com with SMTP id h5so11861505wrv.7 for ; Mon, 26 Oct 2020 03:58:28 -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=Ghd448QeH/JpCHvVE51pHD/gv1aq9xL/1owNFBCiwBZSBWw36ulRGro2rbjavW8HCm tpvgHYSA74mCT5+uyBNL8JCAIV8+TSzuSAdovyibD14KcIKytMRX6O8hoK25tjhehc2D 7GZJatk+wlASdgpbFnGrN0Wke1bO/fVz4YTuI= 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=gdSOQLFVqIew6LidxzZZVFDhyNsdJb10tF6faB5Icgli71rE439Ygq+1YKUMcp14Cw DsVRn7a+vwFLjuOsB1NtRHu5tKiaUM5T9x3Rjw5KKmtrubKmlfhp/CUjiQ7vvmbfzCEh ohmIO9odQQIEmxSg2T4p1yyGGwFXtJ+Xx2x4ij0GGkzsaCzs5In34m/o6Tj8vCEmGuxQ tEcrSkkApzQgTQe82XhlTjlCLfCUG8uhib5fxbFWNfULOu2Qr5EErH0ej0S4ozRjy3H2 o3o++PYFAlkP0CrbfLTDAP0TdMyd6uUEZ/hxxwz4B4Pl34ajZ/dc6Tzo982L/F7ErUDb ZVng== X-Gm-Message-State: AOAM5314HPzHk+Mgg8RZXWIk+p3DQu0DKvxVfQjLPtqVVAbu3DVfBTx6 3Jj+d0UqBtPJ+Q+ivjQVig4HjQ== X-Google-Smtp-Source: ABdhPJypi/6Cbees0NGq1yum4JVfOyvtLJ54ljnHY5mG0+HM7dRuCdSdcl5NsPm+FmtB0NGqEYAv1Q== X-Received: by 2002:adf:f3cb:: with SMTP id g11mr18176883wrp.210.1603709908008; Mon, 26 Oct 2020 03:58:28 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id w83sm21165156wmg.48.2020.10.26.03.58.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Oct 2020 03:58:27 -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 Subject: [PATCH v4 02/15] drm/exynos: Use FOLL_LONGTERM for g2d cmdlists Date: Mon, 26 Oct 2020 11:58:05 +0100 Message-Id: <20201026105818.2585306-3-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201026105818.2585306-1-daniel.vetter@ffwll.ch> References: <20201026105818.2585306-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.5 (--) X-LSpam-Report: No, score=-2.5 required=5.0 tests=BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no 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,