diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c new file mode 100644 index 000000000000..7353a94b4091 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm20b.c @@ -0,0 +1,55 @@ +/* + * 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 "mem.h" +#include "vmm.h" + +#include <subdev/fb.h> + +#include <nvif/class.h> + +static const struct nvkm_mmu_func +gm20b_mmu = { + .dma_bits = 40, + .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}}, + .mem = {{ -1, -1, NVIF_CLASS_MEM_GF100}, .umap = gf100_mem_map }, + .vmm = {{ -1, 0, NVIF_CLASS_VMM_GM200}, gm20b_vmm_new }, + .kind = gm200_mmu_kind, + .kind_sys = true, +}; + +static const struct nvkm_mmu_func +gm20b_mmu_fixed = { + .dma_bits = 40, + .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}}, + .mem = {{ -1, -1, NVIF_CLASS_MEM_GF100}, .umap = gf100_mem_map }, + .vmm = {{ -1, -1, NVIF_CLASS_VMM_GM200}, gm20b_vmm_new_fixed }, + .kind = gm200_mmu_kind, + .kind_sys = true, +}; + +int +gm20b_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu) +{ + if (device->fb->page) + return nvkm_mmu_new_(&gm20b_mmu_fixed, device, index, pmmu); + return nvkm_mmu_new_(&gm20b_mmu, device, index, pmmu); +} |