diff options
| author |   Thomas Hellstrom <thellstrom@vmware.com> | 2019-05-07 11:07:53 +0200 |
|---|---|---|
| committer | Thomas Hellstrom <thellstrom@vmware.com> | 2019-05-21 10:22:40 +0200 |
| commit | 63cb44441826e842b7285575b96db631cc9f2505 (patch) | |
| tree | 838caf2f2991eb5a5d41402d78513f52ae65590f /drivers/gpu | |
| parent | Linux 5.2-rc1 (diff) | |
| download | linux-dev-63cb44441826e842b7285575b96db631cc9f2505.tar.xz linux-dev-63cb44441826e842b7285575b96db631cc9f2505.zip | |
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: 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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index bf6c3500d363..4ff11a0077e1 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1239,7 +1239,13 @@ 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; } |