From patchwork Sun Sep 4 22:20:38 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 9312913 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3FCE060772 for ; Sun, 4 Sep 2016 22:37:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3DEA72883F for ; Sun, 4 Sep 2016 22:37:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3283A28844; Sun, 4 Sep 2016 22:37:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C82C028831 for ; Sun, 4 Sep 2016 22:37:55 +0000 (UTC) Received: from localhost ([::1]:51293 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bgg30-0007Sh-US for patchwork-qemu-devel@patchwork.kernel.org; Sun, 04 Sep 2016 18:37:54 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43424) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bgfnT-0003E6-Jc for qemu-devel@nongnu.org; Sun, 04 Sep 2016 18:21:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bgfnR-0006Tm-N7 for qemu-devel@nongnu.org; Sun, 04 Sep 2016 18:21:50 -0400 Received: from mx1.redhat.com ([209.132.183.28]:54036) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bgfnR-0006Ti-HD for qemu-devel@nongnu.org; Sun, 04 Sep 2016 18:21:49 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 33B8E4E4CB for ; Sun, 4 Sep 2016 22:21:49 +0000 (UTC) Received: from localhost (ovpn-116-72.phx2.redhat.com [10.3.116.72]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u84MLlwR012370; Sun, 4 Sep 2016 18:21:48 -0400 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= To: qemu-devel@nongnu.org Date: Mon, 5 Sep 2016 02:20:38 +0400 Message-Id: <20160904222039.11460-18-marcandre.lureau@redhat.com> In-Reply-To: <20160904222039.11460-1-marcandre.lureau@redhat.com> References: <20160904222039.11460-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Sun, 04 Sep 2016 22:21:49 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 17/18] virtio-gpu: schedule a bh to unblock the data-plane X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: airlied@redhat.com, kraxel@redhat.com, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP If the virtqueues is waiting to be processed, make sure to wake it up. Signed-off-by: Marc-André Lureau --- hw/display/virtio-gpu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 45fc018..a37d5f2 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -996,7 +996,11 @@ static void virtio_gpu_gl_block(void *opaque, bool block) assert(g->renderer_blocked >= 0); if (g->renderer_blocked == 0) { - virtio_gpu_process_cmdq(g); + if (VIRTIO_GPU_DATA_PLANE_OK(g->dp)) { + qemu_bh_schedule(g->dp->thread_process_bh); + } else { + virtio_gpu_process_cmdq(g); + } } }