This causes us to invalidate MMU only at the level we made modifications -
ie: if we've only modified PTEs, there's no need to have MMU dump the PDs
it's fetched into L2.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
gp100_vmm_flush(struct nvkm_vmm *vmm, int depth)
{
u32 type = (5 /* CACHE_LEVEL_UP_TO_PDE3 */ - depth) << 24;
- type = 0; /*XXX: need to confirm stuff works with depth enabled... */
if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR]))
type |= 0x00000004; /* HUB_ONLY */
type |= 0x00000001; /* PAGE_ALL */
{
struct nvkm_subdev *subdev = &vmm->mmu->subdev;
struct nvkm_device *device = subdev->device;
- u32 type = depth << 24; /*XXX: not confirmed */
+ u32 type = (5 /* CACHE_LEVEL_UP_TO_PDE3 */ - depth) << 24;
- type = 0x00000001; /* PAGE_ALL */
+ type |= 0x00000001; /* PAGE_ALL */
if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR]))
type |= 0x00000004; /* HUB_ONLY */