Release 4.18 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c
/*
* Copyright 2018 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 "vmm.h"
#include <subdev/fb.h>
#include <subdev/ltc.h>
#include <nvif/ifc00d.h>
#include <nvif/unpack.h>
int
gv100_vmm_join(struct nvkm_vmm *vmm, struct nvkm_memory *inst)
{
u64 data[2], mask;
int ret = gp100_vmm_join(vmm, inst), i;
if (ret)
return ret;
nvkm_kmap(inst);
data[0] = nvkm_ro32(inst, 0x200);
data[1] = nvkm_ro32(inst, 0x204);
mask = BIT_ULL(0);
nvkm_wo32(inst, 0x21c, 0x00000000);
for (i = 0; i < 64; i++) {
if (mask & BIT_ULL(i)) {
nvkm_wo32(inst, 0x2a4 + (i * 0x10), data[1]);
nvkm_wo32(inst, 0x2a0 + (i * 0x10), data[0]);
} else {
nvkm_wo32(inst, 0x2a4 + (i * 0x10), 0x00000001);
nvkm_wo32(inst, 0x2a0 + (i * 0x10), 0x00000001);
}
nvkm_wo32(inst, 0x2a8 + (i * 0x10), 0x00000000);
}
nvkm_wo32(inst, 0x298, lower_32_bits(mask));
nvkm_wo32(inst, 0x29c, upper_32_bits(mask));
nvkm_done(inst);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 229 | 100.00% | 1 | 100.00% |
| Total | 229 | 100.00% | 1 | 100.00% |
static const struct nvkm_vmm_func
gv100_vmm = {
.join = gv100_vmm_join,
.part = gf100_vmm_part,
.aper = gf100_vmm_aper,
.valid = gp100_vmm_valid,
.flush = gp100_vmm_flush,
.page = {
{ 47, &gp100_vmm_desc_16[4], NVKM_VMM_PAGE_Sxxx },
{ 38, &gp100_vmm_desc_16[3], NVKM_VMM_PAGE_Sxxx },
{ 29, &gp100_vmm_desc_16[2], NVKM_VMM_PAGE_Sxxx },
{ 21, &gp100_vmm_desc_16[1], NVKM_VMM_PAGE_SVxC },
{ 16, &gp100_vmm_desc_16[0], NVKM_VMM_PAGE_SVxC },
{ 12, &gp100_vmm_desc_12[0], NVKM_VMM_PAGE_SVHx },
{}
}
};
int
gv100_vmm_new(struct nvkm_mmu *mmu, u64 addr, u64 size, void *argv, u32 argc,
struct lock_class_key *key, const char *name,
struct nvkm_vmm **pvmm)
{
return nv04_vmm_new_(&gv100_vmm, mmu, 0, addr, size,
argv, argc, key, name, pvmm);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 64 | 100.00% | 1 | 100.00% |
| Total | 64 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 421 | 100.00% | 1 | 100.00% |
| Total | 421 | 100.00% | 1 | 100.00% |
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