1 files changed, 15 insertions, 9 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 0c9c0811f42..b793c8c9acb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -88,6 +88,9 @@
 #define DRM_IOCTL_VMW_FENCE_WAIT                                \
         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT,         \
                  struct drm_vmw_fence_wait_arg)
+#define DRM_IOCTL_VMW_UPDATE_LAYOUT                             \
+        DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT,      \
+                 struct drm_vmw_update_layout_arg)
 
 
 /**
@@ -135,7 +138,9 @@ static struct drm_ioctl_desc vmw_ioctls[] = {
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_FIFO_DEBUG, vmw_fifo_debug_ioctl,
                       DRM_AUTH | DRM_ROOT_ONLY | DRM_MASTER | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_FENCE_WAIT, vmw_fence_wait_ioctl,
-                      DRM_AUTH | DRM_UNLOCKED)
+                      DRM_AUTH | DRM_UNLOCKED),
+        VMW_IOCTL_DEF(DRM_IOCTL_VMW_UPDATE_LAYOUT, vmw_kms_update_layout_ioctl,
+                      DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED)
 };
 
 static struct pci_device_id vmw_pci_id_list[] = {
@@ -318,6 +323,15 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
                 goto out_err3;
         }
 
+        /* Need mmio memory to check for fifo pitchlock cap. */
+        if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) &&
+            !(dev_priv->capabilities & SVGA_CAP_PITCHLOCK) &&
+            !vmw_fifo_have_pitchlock(dev_priv)) {
+                ret = -ENOSYS;
+                DRM_ERROR("Hardware has no pitchlock\n");
+                goto out_err4;
+        }
+
         dev_priv->tdev = ttm_object_device_init
             (dev_priv->mem_global_ref.object, 12);
 
@@ -399,8 +413,6 @@ static int vmw_driver_unload(struct drm_device *dev)
 {
         struct vmw_private *dev_priv = vmw_priv(dev);
 
-        DRM_INFO(VMWGFX_DRIVER_NAME " unload.\n");
-
         unregister_pm_notifier(&dev_priv->pm_nb);
 
         vmw_fb_close(dev_priv);
@@ -546,7 +558,6 @@ static int vmw_master_create(struct drm_device *dev,
 {
         struct vmw_master *vmaster;
 
-        DRM_INFO("Master create.\n");
         vmaster = kzalloc(sizeof(*vmaster), GFP_KERNEL);
         if (unlikely(vmaster == NULL))
                 return -ENOMEM;
@@ -563,7 +574,6 @@ static void vmw_master_destroy(struct drm_device *dev,
 {
         struct vmw_master *vmaster = vmw_master(master);
 
-        DRM_INFO("Master destroy.\n");
         master->driver_priv = NULL;
         kfree(vmaster);
 }
@@ -579,8 +589,6 @@ static int vmw_master_set(struct drm_device *dev,
         struct vmw_master *vmaster = vmw_master(file_priv->master);
         int ret = 0;
 
-        DRM_INFO("Master set.\n");
-
         if (active) {
                 BUG_ON(active != &dev_priv->fbdev_master);
                 ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
@@ -622,8 +630,6 @@ static void vmw_master_drop(struct drm_device *dev,
         struct vmw_master *vmaster = vmw_master(file_priv->master);
         int ret;
 
-        DRM_INFO("Master drop.\n");
-
         /**
          * Make sure the master doesn't disappear while we have
          * it locked.