linux-kernel - [PATCH AUTOSEL 5.15 49/68] xen: flag xen_drm_front to be not essential for system boot

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Message-Id: <20211130144707.944580-49-sashal@kernel.org>
Date:   Tue, 30 Nov 2021 09:46:45 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Juergen Gross <jgross@...e.com>,
        Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Sasha Levin <sashal@...nel.org>, airlied@...ux.ie,
        daniel@...ll.ch, dri-devel@...ts.freedesktop.org,
        xen-devel@...ts.xenproject.org
Subject: [PATCH AUTOSEL 5.15 49/68] xen: flag xen_drm_front to be not essential for system boot

From: Juergen Gross <jgross@...e.com>

[ Upstream commit 1c669938c31b6e2a0d5149c3c6257ca9df6cb100 ]

Similar to the virtual frame buffer (vfb) the pv display driver is not
essential for booting the system. Set the respective flag.

Signed-off-by: Juergen Gross <jgross@...e.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>
Link: https://lore.kernel.org/r/20211022064800.14978-3-jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/xen/xen_drm_front.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c
index 9f14d99c763c2..bc7605324db39 100644
--- a/drivers/gpu/drm/xen/xen_drm_front.c
+++ b/drivers/gpu/drm/xen/xen_drm_front.c
@@ -773,6 +773,7 @@ static struct xenbus_driver xen_driver = {
 	.probe = xen_drv_probe,
 	.remove = xen_drv_remove,
 	.otherend_changed = displback_changed,
+	.not_essential = true,
 };
 
 static int __init xen_drv_init(void)
-- 
2.33.0