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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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drm/nouveau/mmu/gm20b: fork from gf100
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
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@ -72,4 +72,5 @@ int gf100_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
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int gk104_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
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int gk20a_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
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int gm200_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
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int gm20b_mmu_new(struct nvkm_device *, int, struct nvkm_mmu **);
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#endif
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@ -2140,7 +2140,7 @@ nv12b_chipset = {
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.imem = gk20a_instmem_new,
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.ltc = gm200_ltc_new,
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.mc = gk20a_mc_new,
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.mmu = gf100_mmu_new,
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.mmu = gm20b_mmu_new,
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.pmu = gm20b_pmu_new,
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.secboot = gm20b_secboot_new,
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.timer = gk20a_timer_new,
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@ -8,3 +8,4 @@ nvkm-y += nvkm/subdev/mmu/gf100.o
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nvkm-y += nvkm/subdev/mmu/gk104.o
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nvkm-y += nvkm/subdev/mmu/gk20a.o
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nvkm-y += nvkm/subdev/mmu/gm200.o
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nvkm-y += nvkm/subdev/mmu/gm20b.o
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43
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c
Normal file
43
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c
Normal file
@ -0,0 +1,43 @@
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/*
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* Copyright 2017 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "priv.h"
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static const struct nvkm_mmu_func
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gm20b_mmu = {
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.limit = (1ULL << 40),
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.dma_bits = 40,
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.pgt_bits = 27 - 12,
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.spg_shift = 12,
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.lpg_shift = 17,
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.create = gf100_vm_create,
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.map_pgt = gf100_vm_map_pgt,
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.map = gf100_vm_map,
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.map_sg = gf100_vm_map_sg,
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.unmap = gf100_vm_unmap,
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.flush = gf100_vm_flush,
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};
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int
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gm20b_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu)
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{
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return nvkm_mmu_new_(&gm20b_mmu, device, index, pmmu);
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}
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