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vmwgfx: Let SVGA_REG_NUM_DISPLAYS determine output connectivity

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Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Thomas Hellstrom 2011-08-31 07:13:40 +00:00 committed by Dave Airlie
parent d3ed74027f
commit 654a4ef07a
1 changed files with 10 additions and 3 deletions
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13
drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
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@ -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[] = {