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| author | Ben Skeggs <bskeggs@redhat.com> | 2015-08-20 14:54:17 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2015-08-28 12:40:36 +1000 |
| commit | d8e83994aaf6749b7124a219f5b46bd1329e2a08 (patch) | |
| tree | 7da43672ce2860ff204fbe34f14f37ba49bbd246 /drivers/gpu/drm/nouveau/nvkm/subdev/mmu | |
| parent | 1de68568d69ac518db076cc6118af91e930b5f90 (diff) | |
| download | op-kernel-dev-d8e83994aaf6749b7124a219f5b46bd1329e2a08.zip op-kernel-dev-d8e83994aaf6749b7124a219f5b46bd1329e2a08.tar.gz | |
drm/nouveau/imem: improve management of instance memory
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c | 4 |
3 files changed, 19 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c index e81d317..35b6d33 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c @@ -339,6 +339,25 @@ nvkm_vm_put(struct nvkm_vma *vma) } int +nvkm_vm_boot(struct nvkm_vm *vm, u64 size) +{ + struct nvkm_mmu *mmu = vm->mmu; + struct nvkm_gpuobj *pgt; + int ret; + + ret = nvkm_gpuobj_new(nv_object(mmu), NULL, + (size >> mmu->spg_shift) * 8, 0x1000, + NVOBJ_FLAG_ZERO_ALLOC, &pgt); + if (ret == 0) { + vm->pgt[0].refcount[0] = 1; + vm->pgt[0].obj[0] = pgt; + nvkm_memory_boot(pgt->memory, vm); + } + + return ret; +} + +int nvkm_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mm_offset, u32 block, struct lock_class_key *key, struct nvkm_vm **pvm) { diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c index e801e57..12d6ef4 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gf100.c @@ -22,7 +22,6 @@ * Authors: Ben Skeggs */ #include <subdev/mmu.h> -#include <subdev/bar.h> #include <subdev/fb.h> #include <subdev/ltc.h> #include <subdev/timer.h> @@ -163,12 +162,9 @@ gf100_vm_flush(struct nvkm_vm *vm) { struct nvkm_mmu *mmu = (void *)vm->mmu; struct nvkm_device *device = mmu->subdev.device; - struct nvkm_bar *bar = device->bar; struct nvkm_vm_pgd *vpgd; u32 type; - bar->flush(bar); - type = 0x00000001; /* PAGE_ALL */ if (atomic_read(&vm->engref[NVDEV_SUBDEV_BAR])) type |= 0x00000004; /* HUB_ONLY */ diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c index b87fef9..cd63b92 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv50.c @@ -22,7 +22,6 @@ * Authors: Ben Skeggs */ #include <subdev/mmu.h> -#include <subdev/bar.h> #include <subdev/fb.h> #include <subdev/timer.h> @@ -156,12 +155,9 @@ nv50_vm_flush(struct nvkm_vm *vm) struct nvkm_mmu *mmu = (void *)vm->mmu; struct nvkm_subdev *subdev = &mmu->subdev; struct nvkm_device *device = subdev->device; - struct nvkm_bar *bar = device->bar; struct nvkm_engine *engine; int i, vme; - bar->flush(bar); - mutex_lock(&subdev->mutex); for (i = 0; i < NVDEV_SUBDEV_NR; i++) { if (!atomic_read(&vm->engref[i])) |
