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>
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c
index dc8349a..a86f276 100644
--- a/drivers/gpu/drm/nouveau/nouveau_notifier.c
+++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c
@@ -98,6 +98,7 @@
int size, uint32_t *b_offset)
{
struct drm_device *dev = chan->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *nobj = NULL;
struct drm_mm_node *mem;
uint32_t offset;
@@ -111,11 +112,16 @@
return -ENOMEM;
}
- if (chan->notifier_bo->bo.mem.mem_type == TTM_PL_VRAM)
- target = NV_MEM_TARGET_VRAM;
- else
- target = NV_MEM_TARGET_GART;
- offset = chan->notifier_bo->bo.mem.start << PAGE_SHIFT;
+ if (dev_priv->card_type < NV_50) {
+ if (chan->notifier_bo->bo.mem.mem_type == TTM_PL_VRAM)
+ target = NV_MEM_TARGET_VRAM;
+ else
+ target = NV_MEM_TARGET_GART;
+ offset = chan->notifier_bo->bo.mem.start << PAGE_SHIFT;
+ } else {
+ target = NV_MEM_TARGET_VM;
+ offset = chan->notifier_bo->vma.offset;
+ }
offset += mem->start;
ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, offset,