vmwgfx: Add present and readback ioctls

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 73757c3db8eb..ace4402214c6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -94,6 +94,12 @@
 #define DRM_IOCTL_VMW_FENCE_UNREF                               \
         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_UNREF,         \
                  struct drm_vmw_fence_arg)
+#define DRM_IOCTL_VMW_PRESENT                                   \
+        DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT,             \
+                 struct drm_vmw_present_arg)
+#define DRM_IOCTL_VMW_PRESENT_READBACK                          \
+        DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT_READBACK,    \
+                 struct drm_vmw_present_readback_arg)
 
 /**
  * The core DRM version of this macro doesn't account for
@@ -146,6 +152,13 @@ static struct drm_ioctl_desc vmw_ioctls[] = {
                       DRM_AUTH | DRM_UNLOCKED),
         VMW_IOCTL_DEF(VMW_GET_3D_CAP, vmw_get_cap_3d_ioctl,
                       DRM_AUTH | DRM_UNLOCKED),
+
+        /* these allow direct access to the framebuffers mark as master only */
+        VMW_IOCTL_DEF(VMW_PRESENT, vmw_present_ioctl,
+                      DRM_MASTER | DRM_AUTH | DRM_UNLOCKED),
+        VMW_IOCTL_DEF(VMW_PRESENT_READBACK,
+                      vmw_present_readback_ioctl,
+                      DRM_MASTER | DRM_AUTH | DRM_UNLOCKED),
 };
 
 static struct pci_device_id vmw_pci_id_list[] = {