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drm/nouveau/mmu/gk20a: fork from gf100 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2017-11-01 03:56:19 +10:00
parent db018585a5
commit d1f6c8d2e9
4 changed files with 46 additions and 1 deletions
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1
drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
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@ -70,4 +70,5 @@ int nv50_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
int g84_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
int gf100_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
int gk104_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
int gk20a_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
#endif

2
drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
View File

@ -1790,7 +1790,7 @@ nvea_chipset = {
.imem = gk20a_instmem_new,
.ltc = gk104_ltc_new,
.mc = gk20a_mc_new,
.mmu = gf100_mmu_new,
.mmu = gk20a_mmu_new,
.pmu = gk20a_pmu_new,
.timer = gk20a_timer_new,
.top = gk104_top_new,

1
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/Kbuild
View File

@ -6,3 +6,4 @@ nvkm-y += nvkm/subdev/mmu/nv50.o
nvkm-y += nvkm/subdev/mmu/g84.o
nvkm-y += nvkm/subdev/mmu/gf100.o
nvkm-y += nvkm/subdev/mmu/gk104.o
nvkm-y += nvkm/subdev/mmu/gk20a.o

43
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gk20a.c Normal file
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@ -0,0 +1,43 @@
/*
* Copyright 2017 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "priv.h"
static const struct nvkm_mmu_func
gk20a_mmu = {
.limit = (1ULL << 40),
.dma_bits = 40,
.pgt_bits = 27 - 12,
.spg_shift = 12,
.lpg_shift = 17,
.create = gf100_vm_create,
.map_pgt = gf100_vm_map_pgt,
.map = gf100_vm_map,
.map_sg = gf100_vm_map_sg,
.unmap = gf100_vm_unmap,
.flush = gf100_vm_flush,
};
int
gk20a_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu)
{
return nvkm_mmu_new_(&gk20a_mmu, device, index, pmmu);
}