diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2017-11-01 03:56:19 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-11-02 13:32:30 +1000 |
| commit | f9400afb1e11c33830bd99a0c9fafe3f4d07a7cc (patch) | |
| tree | ed87a28425687111ecdbc16d02857ff1a11b16c0 /drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gp10b. | |
| parent | e12cf6ad43888c152c3b2edb59525587cd98a227 (diff) | |
drm/nouveau/mmu/gp100,gp10b: implement new vmm backend
Adds support for:
- 64KiB/2MiB big page sizes (128KiB not supported by HW with new PT layout).
- System-memory PTs.
- LPTE "invalid" state.
- (Tegra) Use of video memory aperture.
- Sparse PDEs/PTEs.
- Additional blocklinear kinds.
- 49-bit address-space.
GP100 supports an entirely new 5-level page table layout that provides
an expanded 49-bit address-space. It also supports the layout present
on previous generations, which we've been making do with until now.
This commit implements support for the new layout, and enables it by
default.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gp10b.')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gp10b. | 0 |
1 files changed, 0 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gp10b. b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gp10b. new file mode 100644 index 000000000000..e69de29bb2d1 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gp10b. |