From 9e628cd8da6b324385dc27e0dab1bc1165bf1116 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 5 Feb 2020 07:53:11 +0100
Subject: drm/virtio: fix vblank handling
Git-commit: fda157211432b8438668cd3e80e7b19fb7555691
Patch-mainline: v5.7-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
virtio has its own commit fail function. Add the
drm_atomic_helper_fake_vblank() call there.
Fixes: 2a735ad3d211 ("drm/virtio: Remove sending of vblank event")
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20200205065312.15790-1-kraxel@redhat.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/virtio/virtgpu_display.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c
index ecf4ba7cc32b..7b0f0643bb2d 100644
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -324,6 +324,7 @@ static void vgdev_atomic_commit_tail(struct drm_atomic_state *state)
drm_atomic_helper_commit_modeset_enables(dev, state);
drm_atomic_helper_commit_planes(dev, state, 0);
+ drm_atomic_helper_fake_vblank(state);
drm_atomic_helper_commit_hw_done(state);
drm_atomic_helper_wait_for_vblanks(dev, state);
--
2.28.0