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

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: 5ea1734827 ("drm/vmwgfx: Send a hotplug event at master_set")
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
This commit is contained in:
Thomas Hellstrom 2019-05-07 11:07:53 +02:00
parent a188339ca5
commit 63cb444418
1 changed files with 7 additions and 1 deletions
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6
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
View File

@ -1239,6 +1239,12 @@ static int vmw_master_set(struct drm_device *dev,
} }
dev_priv->active_master = vmaster; dev_priv->active_master = vmaster;
/*
* Inform a new master that the layout may have changed while
* it was gone.
*/
if (!from_open)
drm_sysfs_hotplug_event(dev); drm_sysfs_hotplug_event(dev);
return 0; return 0;