diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c new file mode 100644 index 000000000000..2fa40c16e6d2 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgv100.c @@ -0,0 +1,87 @@ +/* + * 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; +} + +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); +} |