vmwgfx: minor dmabuf utilities cleanup

Add / fix some function comments.
Don't move out an fbdev framebuffer when unused. Just unpin.
Only have a single function that computes a SVGAGuestPtr from the buffer's
current placement, and make it more versatile by accepting a
struct ttm_buffer_object

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

1 files changed, 2 insertions, 7 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index fc0e3bc63ec0..b22b96a491a4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -416,13 +416,8 @@ extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv,
                             struct vmw_dma_buffer *bo,
                             bool interruptible);
-extern int vmw_dmabuf_to_system(struct vmw_private *vmw_priv,
-                                struct vmw_dma_buffer *bo,
-                                bool interruptible);
-extern void vmw_dmabuf_get_id_offset(struct vmw_dma_buffer *buf,
-                                     uint32_t *gmrId, uint32_t *offset);
-extern void vmw_dmabuf_get_guest_ptr(struct vmw_dma_buffer *buf,
-                                     SVGAGuestPtr *ptr);
+extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
+                                 SVGAGuestPtr *ptr);
 
 /**
  * Misc Ioctl functionality - vmwgfx_ioctl.c