summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c69
1 files changed, 0 insertions, 69 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
index cb037f4a1780..457cf509591b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
@@ -24,75 +24,10 @@
#include "vmm.h"
#include <core/option.h>
-#include <subdev/timer.h>
#include <nvif/class.h>
#define NV41_GART_SIZE (512 * 1024 * 1024)
-#define NV41_GART_PAGE ( 4 * 1024)
-
-/*******************************************************************************
- * VM map/unmap callbacks
- ******************************************************************************/
-
-static void
-nv41_vm_map_sg(struct nvkm_vma *vma, struct nvkm_memory *pgt,
- struct nvkm_mem *mem, u32 pte, u32 cnt, dma_addr_t *list)
-{
- pte = pte * 4;
- nvkm_kmap(pgt);
- while (cnt) {
- u32 page = PAGE_SIZE / NV41_GART_PAGE;
- u64 phys = (u64)*list++;
- while (cnt && page--) {
- nvkm_wo32(pgt, pte, (phys >> 7) | 1);
- phys += NV41_GART_PAGE;
- pte += 4;
- cnt -= 1;
- }
- }
- nvkm_done(pgt);
-}
-
-static void
-nv41_vm_unmap(struct nvkm_vma *vma, struct nvkm_memory *pgt, u32 pte, u32 cnt)
-{
- pte = pte * 4;
- nvkm_kmap(pgt);
- while (cnt--) {
- nvkm_wo32(pgt, pte, 0x00000000);
- pte += 4;
- }
- nvkm_done(pgt);
-}
-
-static void
-nv41_vm_flush(struct nvkm_vm *vm)
-{
- struct nvkm_subdev *subdev = &vm->mmu->subdev;
- struct nvkm_device *device = subdev->device;
-
- mutex_lock(&subdev->mutex);
- nvkm_wr32(device, 0x100810, 0x00000022);
- nvkm_msec(device, 2000,
- if (nvkm_rd32(device, 0x100810) & 0x00000020)
- break;
- );
- nvkm_wr32(device, 0x100810, 0x00000000);
- mutex_unlock(&subdev->mutex);
-}
-
-/*******************************************************************************
- * MMU subdev
- ******************************************************************************/
-
-static int
-nv41_mmu_oneinit(struct nvkm_mmu *mmu)
-{
- mmu->vmm->pgt[0].mem[0] = mmu->vmm->pd->pt[0]->memory;
- mmu->vmm->pgt[0].refcount[0] = 1;
- return 0;
-}
static void
nv41_mmu_init(struct nvkm_mmu *mmu)
@@ -105,16 +40,12 @@ nv41_mmu_init(struct nvkm_mmu *mmu)
static const struct nvkm_mmu_func
nv41_mmu = {
- .oneinit = nv41_mmu_oneinit,
.init = nv41_mmu_init,
.limit = NV41_GART_SIZE,
.dma_bits = 39,
.pgt_bits = 32 - 12,
.spg_shift = 12,
.lpg_shift = 12,
- .map_sg = nv41_vm_map_sg,
- .unmap = nv41_vm_unmap,
- .flush = nv41_vm_flush,
.vmm = {{ -1, -1, NVIF_CLASS_VMM_NV04}, nv41_vmm_new, true },
};