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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0CF99CD343F for ; Fri, 15 May 2026 12:09:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9AA5E10F50D; Fri, 15 May 2026 12:09:43 +0000 (UTC) Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9D65E10F50D for ; Fri, 15 May 2026 12:09:42 +0000 (UTC) Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 8F6485EDB3; Fri, 15 May 2026 12:09:23 +0000 (UTC) Authentication-Results: smtp-out1.suse.de; none Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 35BCA593A9; Fri, 15 May 2026 12:09:23 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id CA7tC/MMB2rQFwAAD6G6ig (envelope-from ); Fri, 15 May 2026 12:09:23 +0000 From: Thomas Zimmermann To: simona@ffwll.ch, airlied@gmail.com, mdaenzer@redhat.com, pekka.paalanen@collabora.com, jadahl@gmail.com, contact@emersion.fr, maarten.lankhorst@linux.intel.com, mripard@kernel.org Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-hyperv@vger.kernel.org, virtualization@lists.linux.dev, spice-devel@lists.freedesktop.org, Thomas Zimmermann Subject: [PATCH 8/9] drm/virtgpu: Set DRM_VBLANK_FLAG_SIMULATED Date: Fri, 15 May 2026 13:55:13 +0200 Message-ID: <20260515120916.333614-9-tzimmermann@suse.de> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260515120916.333614-1-tzimmermann@suse.de> References: <20260515120916.333614-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[] X-Rspamd-Queue-Id: 8F6485EDB3 X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Rspamd-Action: no action X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Mark the vblank event on virtgpu as simulated, so that the WAIT_VBLANK ioctl fails with an error. The ioctl should not be supported because the output is not synchronized to a display refresh. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/virtio/virtgpu_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index 44ffffec550f..558d8001c54f 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -381,7 +381,7 @@ int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev) for (i = 0 ; i < vgdev->num_scanouts; ++i) vgdev_output_init(vgdev, i); - ret = drm_vblank_init(vgdev->ddev, vgdev->num_scanouts); + ret = drmm_vblank_init(vgdev->ddev, vgdev->num_scanouts, DRM_VBLANK_FLAG_SIMULATED); if (ret) return ret; -- 2.54.0