From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 70EDFC433E2 for ; Mon, 7 Sep 2020 06:33:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 287FC21582 for ; Mon, 7 Sep 2020 06:33:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="fL3o6MyI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726755AbgIGGdy (ORCPT ); Mon, 7 Sep 2020 02:33:54 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:35485 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726278AbgIGGdx (ORCPT ); Mon, 7 Sep 2020 02:33:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1599460432; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=17hx+uQnRYN37kt9J2TS1rwaCj5ZQT0lilbznWEFqTQ=; b=fL3o6MyIcQsBrTwrd+aE403ajYSyNlvZYCDwbE+xFspZeP39onyqwmrzM+FlcnauDV4n3H I3xoFhfgsxD+Lc2Ko+bFSNPu0pVB7pv1x+JDEgn0ngVzXRUnw69ZKCPtOQH6xB/pXu6QoE CG27XknfRnjQz0UMxYNVEP1mkbV397M= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-335-AZ6I_DA3P3amXemm0ORAjA-1; Mon, 07 Sep 2020 02:33:50 -0400 X-MC-Unique: AZ6I_DA3P3amXemm0ORAjA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 74DC480046B; Mon, 7 Sep 2020 06:33:49 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-56.ams2.redhat.com [10.36.112.56]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7101E805E0; Mon, 7 Sep 2020 06:33:45 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 8C06F204A1; Mon, 7 Sep 2020 08:33:44 +0200 (CEST) From: Gerd Hoffmann To: dri-devel@lists.freedesktop.org Cc: christian.koenig@amd.com, Gerd Hoffmann , David Airlie , Daniel Vetter , virtualization@lists.linux-foundation.org (open list:VIRTIO GPU DRIVER), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v3 2/2] drm/virtio: set max_segment Date: Mon, 7 Sep 2020 08:33:43 +0200 Message-Id: <20200907063343.18097-3-kraxel@redhat.com> In-Reply-To: <20200907063343.18097-1-kraxel@redhat.com> References: <20200907063343.18097-1-kraxel@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When initializing call virtio_max_dma_size() to figure the scatter list limit. Needed to make virtio-gpu work properly with SEV. v2: place max_segment in drm driver not gem object. Signed-off-by: Gerd Hoffmann --- drivers/gpu/drm/virtio/virtgpu_kms.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c index 75d0dc2f6d28..151471acdfcf 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -167,6 +167,7 @@ int virtio_gpu_init(struct drm_device *dev) DRM_ERROR("failed to alloc vbufs\n"); goto err_vbufs; } + dev->max_segment = virtio_max_dma_size(vgdev->vdev); /* get display info */ virtio_cread_le(vgdev->vdev, struct virtio_gpu_config, -- 2.27.0