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drm/vmwgfx: Don't send drm sysfs hotplug events on initial master set

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commit 63cb44441826e842b7285575b96db631cc9f2505 upstream.

This may confuse user-space clients like plymouth that opens a drm
file descriptor as a result of a hotplug event and then generates a
new event...

Cc: <stable@vger.kernel.org>
Fixes: 5ea1734827bb ("drm/vmwgfx: Send a hotplug event at master_set")
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Hellstrom 2019-05-07 11:07:53 +02:00 committed by Greg Kroah-Hartman
parent ed69b64c3c
commit 481a47563b
1 changed files with 7 additions and 1 deletions
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8
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
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@ -1245,7 +1245,13 @@ static int vmw_master_set(struct drm_device *dev,
}
dev_priv->active_master = vmaster;
drm_sysfs_hotplug_event(dev);
/*
* Inform a new master that the layout may have changed while
* it was gone.
*/
if (!from_open)
drm_sysfs_hotplug_event(dev);
return 0;
}