nouveau: add PRIME support
This adds prime->fd and fd->prime support to nouveau,
it passes the SG object to TTM, and then populates the
GART entries using it.
v2: add stubbed kmap + use new function to fill out pages array
for faulting + add reimport test.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_vm.h b/drivers/gpu/drm/nouveau/nouveau_vm.h
index 4fb6e72..a8246e7 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_vm.h
@@ -72,6 +72,9 @@
u64 phys, u64 delta);
void (*map_sg)(struct nouveau_vma *, struct nouveau_gpuobj *,
struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
+
+ void (*map_sg_table)(struct nouveau_vma *, struct nouveau_gpuobj *,
+ struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
void (*unmap)(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt);
void (*flush)(struct nouveau_vm *);
};
@@ -90,7 +93,8 @@
void nouveau_vm_unmap_at(struct nouveau_vma *, u64 offset, u64 length);
void nouveau_vm_map_sg(struct nouveau_vma *, u64 offset, u64 length,
struct nouveau_mem *);
-
+void nouveau_vm_map_sg_table(struct nouveau_vma *vma, u64 delta, u64 length,
+ struct nouveau_mem *mem);
/* nv50_vm.c */
void nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
struct nouveau_gpuobj *pgt[2]);