summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index b3a2cd5118d7..7b8115aab54d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -340,9 +340,16 @@ static enum drm_connector_status
vmw_ldu_connector_detect(struct drm_connector *connector,
bool force)
{
- if (vmw_connector_to_ldu(connector)->pref_active)
- return connector_status_connected;
- return connector_status_disconnected;
+ uint32_t num_displays;
+ struct drm_device *dev = connector->dev;
+ struct vmw_private *dev_priv = vmw_priv(dev);
+
+ mutex_lock(&dev_priv->hw_mutex);
+ num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
+ mutex_unlock(&dev_priv->hw_mutex);
+
+ return ((vmw_connector_to_ldu(connector)->base.unit < num_displays) ?
+ connector_status_connected : connector_status_disconnected);
}
static const struct drm_display_mode vmw_ldu_connector_builtin[] = {
OpenPOWER on IntegriCloud