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drm/virtio: fix vblank handling

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virtio has its own commit fail function.  Add the
drm_atomic_helper_fake_vblank() call there.

Fixes: 2a735ad3d2 ("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
This commit is contained in:
Gerd Hoffmann 2020-02-05 07:53:11 +01:00
parent 8e4ff9b569
commit fda1572114
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/virtio/virtgpu_display.c
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@ -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);