drm/nv50-nvc0: delay GART binding until move_notify time

The immediate benefit of doing this is that on NV50 and up, the GPU
virtual address of any buffer is now constant, regardless of what
memtype they're placed in.

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

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/gpu/drm/nouveau/nv50_vm.c b/drivers/gpu/drm/nouveau/nv50_vm.c
index d5e03a4a8ea..37f941bf4a0 100644
--- a/drivers/gpu/drm/nouveau/nv50_vm.c
+++ b/drivers/gpu/drm/nouveau/nv50_vm.c
@@ -57,10 +57,9 @@ nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
 }
 
 static inline u64
-nv50_vm_addr(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt,
-	     u64 phys, u32 memtype, u32 target)
+nv50_vm_addr(struct nouveau_vma *vma, u64 phys, u32 memtype, u32 target)
 {
-	struct drm_nouveau_private *dev_priv = pgt->dev->dev_private;
+	struct drm_nouveau_private *dev_priv = vma->vm->dev->dev_private;
 
 	phys |= 1; /* present */
 	phys |= (u64)memtype << 40;
@@ -89,7 +88,7 @@ nv50_vm_map(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt,
 	u32 block;
 	int i;
 
-	phys  = nv50_vm_addr(vma, pgt, phys, mem->memtype, 0);
+	phys  = nv50_vm_addr(vma, phys, mem->memtype, 0);
 	pte <<= 3;
 	cnt <<= 3;
 
@@ -118,11 +117,11 @@ nv50_vm_map(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt,
 
 void
 nv50_vm_map_sg(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt,
-	       u32 pte, dma_addr_t *list, u32 cnt)
+	       struct nouveau_mem *mem, u32 pte, u32 cnt, dma_addr_t *list)
 {
 	pte <<= 3;
 	while (cnt--) {
-		u64 phys = nv50_vm_addr(vma, pgt, (u64)*list++, 0, 2);
+		u64 phys = nv50_vm_addr(vma, (u64)*list++, mem->memtype, 2);
 		nv_wo32(pgt, pte + 0, lower_32_bits(phys));
 		nv_wo32(pgt, pte + 4, upper_32_bits(phys));
 		pte += 8;