1 files changed, 19 insertions, 28 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 7b48bb3b63b2..1db1ef30be2b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -103,37 +103,39 @@
  */
 
 static struct drm_ioctl_desc vmw_ioctls[] = {
-        VMW_IOCTL_DEF(DRM_IOCTL_VMW_GET_PARAM, vmw_getparam_ioctl, 0),
+        VMW_IOCTL_DEF(DRM_IOCTL_VMW_GET_PARAM, vmw_getparam_ioctl,
+                      DRM_AUTH | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_ALLOC_DMABUF, vmw_dmabuf_alloc_ioctl,
-                      0),
+                      DRM_AUTH | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_DMABUF, vmw_dmabuf_unref_ioctl,
-                      0),
+                      DRM_AUTH | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_CURSOR_BYPASS,
-                      vmw_kms_cursor_bypass_ioctl, 0),
+                      vmw_kms_cursor_bypass_ioctl,
+                      DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
 
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_CONTROL_STREAM, vmw_overlay_ioctl,
-                      0),
+                      DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_CLAIM_STREAM, vmw_stream_claim_ioctl,
-                      0),
+                      DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_STREAM, vmw_stream_unref_ioctl,
-                      0),
+                      DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
 
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_CREATE_CONTEXT, vmw_context_define_ioctl,
-                      0),
+                      DRM_AUTH | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_CONTEXT, vmw_context_destroy_ioctl,
-                      0),
+                      DRM_AUTH | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_CREATE_SURFACE, vmw_surface_define_ioctl,
-                      0),
+                      DRM_AUTH | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_SURFACE, vmw_surface_destroy_ioctl,
-                      0),
+                      DRM_AUTH | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_REF_SURFACE, vmw_surface_reference_ioctl,
-                      0),
+                      DRM_AUTH | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_EXECBUF, vmw_execbuf_ioctl,
-                      0),
+                      DRM_AUTH | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_FIFO_DEBUG, vmw_fifo_debug_ioctl,
-                      0),
+                      DRM_AUTH | DRM_ROOT_ONLY | DRM_MASTER | DRM_UNLOCKED),
         VMW_IOCTL_DEF(DRM_IOCTL_VMW_FENCE_WAIT, vmw_fence_wait_ioctl,
-                      0)
+                      DRM_AUTH | DRM_UNLOCKED)
 };
 
 static struct pci_device_id vmw_pci_id_list[] = {
@@ -460,11 +462,9 @@ static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd,
         struct drm_file *file_priv = filp->private_data;
         struct drm_device *dev = file_priv->minor->dev;
         unsigned int nr = DRM_IOCTL_NR(cmd);
-        long ret;
 
         /*
-         * The driver private ioctls and TTM ioctls should be
-         * thread-safe.
+         * Do extra checking on driver private ioctls.
          */
 
         if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
@@ -477,18 +477,9 @@ static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd,
                                   nr - DRM_COMMAND_BASE);
                         return -EINVAL;
                 }
-                return drm_ioctl(filp->f_path.dentry->d_inode,
-                                 filp, cmd, arg);
         }
 
-        /*
-         * Not all old drm ioctls are thread-safe.
-         */
-
-        lock_kernel();
-        ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
-        unlock_kernel();
-        return ret;
+        return drm_ioctl(filp, cmd, arg);
 }
 
 static int vmw_firstopen(struct drm_device *dev)