diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c | 69 |
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 }, }; |