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 | 104 |
1 files changed, 10 insertions, 94 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c index c6a26f907009..adca81895c09 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c @@ -21,113 +21,29 @@ * * Authors: Ben Skeggs */ -#include "nv04.h" +#include "mem.h" +#include "vmm.h" -#include <core/gpuobj.h> #include <core/option.h> -#include <subdev/timer.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 nv04_mmu *mmu = nv04_mmu(vm->mmu); - struct nvkm_device *device = mmu->base.subdev.device; - - mutex_lock(&mmu->base.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(&mmu->base.subdev.mutex); -} - -/******************************************************************************* - * MMU subdev - ******************************************************************************/ - -static int -nv41_mmu_oneinit(struct nvkm_mmu *base) -{ - struct nv04_mmu *mmu = nv04_mmu(base); - struct nvkm_device *device = mmu->base.subdev.device; - int ret; - - ret = nvkm_vm_create(&mmu->base, 0, NV41_GART_SIZE, 0, 4096, NULL, - &mmu->vm); - if (ret) - return ret; - - ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, - (NV41_GART_SIZE / NV41_GART_PAGE) * 4, 16, true, - &mmu->vm->pgt[0].mem[0]); - mmu->vm->pgt[0].refcount[0] = 1; - return ret; -} +#include <nvif/class.h> static void -nv41_mmu_init(struct nvkm_mmu *base) +nv41_mmu_init(struct nvkm_mmu *mmu) { - struct nv04_mmu *mmu = nv04_mmu(base); - struct nvkm_device *device = mmu->base.subdev.device; - struct nvkm_memory *dma = mmu->vm->pgt[0].mem[0]; - nvkm_wr32(device, 0x100800, 0x00000002 | nvkm_memory_addr(dma)); + struct nvkm_device *device = mmu->subdev.device; + nvkm_wr32(device, 0x100800, 0x00000002 | mmu->vmm->pd->pt[0]->addr); nvkm_mask(device, 0x10008c, 0x00000100, 0x00000100); nvkm_wr32(device, 0x100820, 0x00000000); } static const struct nvkm_mmu_func nv41_mmu = { - .dtor = nv04_mmu_dtor, - .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, + .mmu = {{ -1, -1, NVIF_CLASS_MMU_NV04}}, + .mem = {{ -1, -1, NVIF_CLASS_MEM_NV04}, nv04_mem_new, nv04_mem_map }, + .vmm = {{ -1, -1, NVIF_CLASS_VMM_NV04}, nv41_vmm_new, true }, }; int @@ -137,5 +53,5 @@ nv41_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu) !nvkm_boolopt(device->cfgopt, "NvPCIE", true)) return nv04_mmu_new(device, index, pmmu); - return nv04_mmu_new_(&nv41_mmu, device, index, pmmu); + return nvkm_mmu_new_(&nv41_mmu, device, index, pmmu); } |