From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Hellstrom Subject: [PATCH][next] drm/vmwgfx: Let SVGA_REG_NUM_DISPLAYS decide output connectivity Date: Thu, 16 Dec 2010 15:22:24 +0100 Message-ID: <1292509344-4165-1-git-send-email-thellstrom@vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from smtp-outbound-1.vmware.com (smtp-outbound-1.vmware.com [65.115.85.69]) by gabe.freedesktop.org (Postfix) with ESMTP id DA00F9E761 for ; Thu, 16 Dec 2010 06:22:53 -0800 (PST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: airlied@redhat.com Cc: Thomas Hellstrom , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org Makes the user able to determine the number of connected outputs from the VMware GUI. Signed-off-by: Thomas Hellstrom --- drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 13 ++++++++++--- 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 29113c9..335c91c 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 struct drm_display_mode vmw_ldu_connector_builtin[] = { -- 1.6.2.5