drm/nv40: implement support for on-chip PCIEGART

v2. moved nv44 pciegart table back to instmem, where it's not
    accessible by userspace clients.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index b36dc351f8eb..1c6279f588ba 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -699,6 +699,13 @@ struct drm_nouveau_private {
                 uint64_t aper_size;
                 uint64_t aper_free;
 
+                struct ttm_backend_func *func;
+
+                struct {
+                        struct page *page;
+                        dma_addr_t   addr;
+                } dummy;
+
                 struct nouveau_gpuobj *sg_ctxdma;
                 struct nouveau_vma vma;
         } gart_info;