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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv41.c104
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);
}