diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/instmem')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/instmem/Kbuild | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c | 49 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c | 45 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c | 27 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/instmem/r535.c | 333 |
7 files changed, 451 insertions, 39 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/Kbuild index 06cbe19ce3..553d540f27 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/Kbuild @@ -4,3 +4,5 @@ nvkm-y += nvkm/subdev/instmem/nv04.o nvkm-y += nvkm/subdev/instmem/nv40.o nvkm-y += nvkm/subdev/instmem/nv50.o nvkm-y += nvkm/subdev/instmem/gk20a.o + +nvkm-y += nvkm/subdev/instmem/r535.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c index e0e4f97be0..a2cd3330ef 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c @@ -28,7 +28,7 @@ /****************************************************************************** * instmem object base implementation *****************************************************************************/ -static void +void nvkm_instobj_load(struct nvkm_instobj *iobj) { struct nvkm_memory *memory = &iobj->memory; @@ -48,7 +48,7 @@ nvkm_instobj_load(struct nvkm_instobj *iobj) iobj->suspend = NULL; } -static int +int nvkm_instobj_save(struct nvkm_instobj *iobj) { struct nvkm_memory *memory = &iobj->memory; @@ -94,15 +94,21 @@ nvkm_instobj_wrap(struct nvkm_device *device, struct nvkm_memory *memory, struct nvkm_memory **pmemory) { struct nvkm_instmem *imem = device->imem; + int ret; if (!imem->func->memory_wrap) return -ENOSYS; - return imem->func->memory_wrap(imem, memory, pmemory); + ret = imem->func->memory_wrap(imem, memory, pmemory); + if (ret) + return ret; + + container_of(*pmemory, struct nvkm_instobj, memory)->preserve = true; + return 0; } int -nvkm_instobj_new(struct nvkm_instmem *imem, u32 size, u32 align, bool zero, +nvkm_instobj_new(struct nvkm_instmem *imem, u32 size, u32 align, bool zero, bool preserve, struct nvkm_memory **pmemory) { struct nvkm_subdev *subdev = &imem->subdev; @@ -130,6 +136,7 @@ nvkm_instobj_new(struct nvkm_instmem *imem, u32 size, u32 align, bool zero, nvkm_done(memory); } + container_of(memory, struct nvkm_instobj, memory)->preserve = preserve; done: if (ret) nvkm_memory_unref(&memory); @@ -172,22 +179,14 @@ static int nvkm_instmem_fini(struct nvkm_subdev *subdev, bool suspend) { struct nvkm_instmem *imem = nvkm_instmem(subdev); - struct nvkm_instobj *iobj; + int ret; if (suspend) { - list_for_each_entry(iobj, &imem->list, head) { - int ret = nvkm_instobj_save(iobj); - if (ret) - return ret; - } - - nvkm_bar_bar2_fini(subdev->device); + ret = imem->func->suspend(imem); + if (ret) + return ret; - list_for_each_entry(iobj, &imem->boot, head) { - int ret = nvkm_instobj_save(iobj); - if (ret) - return ret; - } + imem->suspend = true; } if (imem->func->fini) @@ -200,20 +199,16 @@ static int nvkm_instmem_init(struct nvkm_subdev *subdev) { struct nvkm_instmem *imem = nvkm_instmem(subdev); - struct nvkm_instobj *iobj; - list_for_each_entry(iobj, &imem->boot, head) { - if (iobj->suspend) - nvkm_instobj_load(iobj); - } + if (imem->suspend) { + if (imem->func->resume) + imem->func->resume(imem); - nvkm_bar_bar2_init(subdev->device); - - list_for_each_entry(iobj, &imem->list, head) { - if (iobj->suspend) - nvkm_instobj_load(iobj); + imem->suspend = false; + return 0; } + nvkm_bar_bar2_init(subdev->device); return 0; } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c index a4ac94a2ab..201022ae92 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c @@ -49,14 +49,14 @@ #include <subdev/mmu.h> struct gk20a_instobj { - struct nvkm_memory memory; + struct nvkm_instobj base; struct nvkm_mm_node *mn; struct gk20a_instmem *imem; /* CPU mapping */ u32 *vaddr; }; -#define gk20a_instobj(p) container_of((p), struct gk20a_instobj, memory) +#define gk20a_instobj(p) container_of((p), struct gk20a_instobj, base.memory) /* * Used for objects allocated using the DMA API @@ -148,7 +148,7 @@ gk20a_instobj_iommu_recycle_vaddr(struct gk20a_instobj_iommu *obj) list_del(&obj->vaddr_node); vunmap(obj->base.vaddr); obj->base.vaddr = NULL; - imem->vaddr_use -= nvkm_memory_size(&obj->base.memory); + imem->vaddr_use -= nvkm_memory_size(&obj->base.base.memory); nvkm_debug(&imem->base.subdev, "vaddr used: %x/%x\n", imem->vaddr_use, imem->vaddr_max); } @@ -283,7 +283,7 @@ gk20a_instobj_map(struct nvkm_memory *memory, u64 offset, struct nvkm_vmm *vmm, { struct gk20a_instobj *node = gk20a_instobj(memory); struct nvkm_vmm_map map = { - .memory = &node->memory, + .memory = &node->base.memory, .offset = offset, .mem = node->mn, }; @@ -391,8 +391,8 @@ gk20a_instobj_ctor_dma(struct gk20a_instmem *imem, u32 npages, u32 align, return -ENOMEM; *_node = &node->base; - nvkm_memory_ctor(&gk20a_instobj_func_dma, &node->base.memory); - node->base.memory.ptrs = &gk20a_instobj_ptrs; + nvkm_memory_ctor(&gk20a_instobj_func_dma, &node->base.base.memory); + node->base.base.memory.ptrs = &gk20a_instobj_ptrs; node->base.vaddr = dma_alloc_attrs(dev, npages << PAGE_SHIFT, &node->handle, GFP_KERNEL, @@ -438,8 +438,8 @@ gk20a_instobj_ctor_iommu(struct gk20a_instmem *imem, u32 npages, u32 align, *_node = &node->base; node->dma_addrs = (void *)(node->pages + npages); - nvkm_memory_ctor(&gk20a_instobj_func_iommu, &node->base.memory); - node->base.memory.ptrs = &gk20a_instobj_ptrs; + nvkm_memory_ctor(&gk20a_instobj_func_iommu, &node->base.base.memory); + node->base.base.memory.ptrs = &gk20a_instobj_ptrs; /* Allocate backing memory */ for (i = 0; i < npages; i++) { @@ -533,7 +533,7 @@ gk20a_instobj_new(struct nvkm_instmem *base, u32 size, u32 align, bool zero, else ret = gk20a_instobj_ctor_dma(imem, size >> PAGE_SHIFT, align, &node); - *pmemory = node ? &node->memory : NULL; + *pmemory = node ? &node->base.memory : NULL; if (ret) return ret; @@ -564,6 +564,8 @@ gk20a_instmem_dtor(struct nvkm_instmem *base) static const struct nvkm_instmem_func gk20a_instmem = { .dtor = gk20a_instmem_dtor, + .suspend = nv04_instmem_suspend, + .resume = nv04_instmem_resume, .memory_new = gk20a_instobj_new, .zero = false, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c index 25603b01d6..e5320ef849 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c @@ -25,6 +25,7 @@ #include "priv.h" #include <core/ramht.h> +#include <subdev/bar.h> struct nv04_instmem { struct nvkm_instmem base; @@ -154,6 +155,48 @@ nv04_instmem_wr32(struct nvkm_instmem *imem, u32 addr, u32 data) nvkm_wr32(imem->subdev.device, 0x700000 + addr, data); } +void +nv04_instmem_resume(struct nvkm_instmem *imem) +{ + struct nvkm_instobj *iobj; + + list_for_each_entry(iobj, &imem->boot, head) { + if (iobj->suspend) + nvkm_instobj_load(iobj); + } + + nvkm_bar_bar2_init(imem->subdev.device); + + list_for_each_entry(iobj, &imem->list, head) { + if (iobj->suspend) + nvkm_instobj_load(iobj); + } +} + +int +nv04_instmem_suspend(struct nvkm_instmem *imem) +{ + struct nvkm_instobj *iobj; + + list_for_each_entry(iobj, &imem->list, head) { + if (iobj->preserve) { + int ret = nvkm_instobj_save(iobj); + if (ret) + return ret; + } + } + + nvkm_bar_bar2_fini(imem->subdev.device); + + list_for_each_entry(iobj, &imem->boot, head) { + int ret = nvkm_instobj_save(iobj); + if (ret) + return ret; + } + + return 0; +} + static int nv04_instmem_oneinit(struct nvkm_instmem *base) { @@ -210,6 +253,8 @@ static const struct nvkm_instmem_func nv04_instmem = { .dtor = nv04_instmem_dtor, .oneinit = nv04_instmem_oneinit, + .suspend = nv04_instmem_suspend, + .resume = nv04_instmem_resume, .rd32 = nv04_instmem_rd32, .wr32 = nv04_instmem_wr32, .memory_new = nv04_instobj_new, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c index 4b2d7465d2..a7f3fc342d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c @@ -27,6 +27,7 @@ #include <core/memory.h> #include <subdev/bar.h> #include <subdev/fb.h> +#include <subdev/gsp.h> #include <subdev/mmu.h> struct nv50_instmem { @@ -394,24 +395,44 @@ nv50_instmem_fini(struct nvkm_instmem *base) nv50_instmem(base)->addr = ~0ULL; } +static void * +nv50_instmem_dtor(struct nvkm_instmem *base) +{ + return nv50_instmem(base); +} + static const struct nvkm_instmem_func nv50_instmem = { + .dtor = nv50_instmem_dtor, .fini = nv50_instmem_fini, + .suspend = nv04_instmem_suspend, + .resume = nv04_instmem_resume, .memory_new = nv50_instobj_new, .memory_wrap = nv50_instobj_wrap, .zero = false, }; int -nv50_instmem_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, - struct nvkm_instmem **pimem) +nv50_instmem_new_(const struct nvkm_instmem_func *func, + struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_instmem **pimem) { struct nv50_instmem *imem; if (!(imem = kzalloc(sizeof(*imem), GFP_KERNEL))) return -ENOMEM; - nvkm_instmem_ctor(&nv50_instmem, device, type, inst, &imem->base); + nvkm_instmem_ctor(func, device, type, inst, &imem->base); INIT_LIST_HEAD(&imem->lru); *pimem = &imem->base; return 0; } + +int +nv50_instmem_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_instmem **pimem) +{ + if (nvkm_gsp_rm(device->gsp)) + return r535_instmem_new(&nv50_instmem, device, type, inst, pimem); + + return nv50_instmem_new_(&nv50_instmem, device, type, inst, pimem); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h index fe92986a38..4c14c96fb6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h @@ -7,6 +7,8 @@ struct nvkm_instmem_func { void *(*dtor)(struct nvkm_instmem *); int (*oneinit)(struct nvkm_instmem *); + int (*suspend)(struct nvkm_instmem *); + void (*resume)(struct nvkm_instmem *); void (*fini)(struct nvkm_instmem *); u32 (*rd32)(struct nvkm_instmem *, u32 addr); void (*wr32)(struct nvkm_instmem *, u32 addr, u32 data); @@ -16,19 +18,31 @@ struct nvkm_instmem_func { bool zero; }; +int nv50_instmem_new_(const struct nvkm_instmem_func *, struct nvkm_device *, + enum nvkm_subdev_type, int, struct nvkm_instmem **); + void nvkm_instmem_ctor(const struct nvkm_instmem_func *, struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem *); void nvkm_instmem_boot(struct nvkm_instmem *); +int nv04_instmem_suspend(struct nvkm_instmem *); +void nv04_instmem_resume(struct nvkm_instmem *); + +int r535_instmem_new(const struct nvkm_instmem_func *, + struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **); + #include <core/memory.h> struct nvkm_instobj { struct nvkm_memory memory; struct list_head head; + bool preserve; u32 *suspend; }; void nvkm_instobj_ctor(const struct nvkm_memory_func *func, struct nvkm_instmem *, struct nvkm_instobj *); void nvkm_instobj_dtor(struct nvkm_instmem *, struct nvkm_instobj *); +int nvkm_instobj_save(struct nvkm_instobj *); +void nvkm_instobj_load(struct nvkm_instobj *); #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/r535.c new file mode 100644 index 0000000000..5f3c9c02a4 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/r535.c @@ -0,0 +1,333 @@ +/* + * Copyright 2023 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" + +#include <subdev/gsp.h> + +#include <nvhw/drf.h> + +#include <nvrm/nvtypes.h> +#include <nvrm/535.113.01/common/sdk/nvidia/inc/class/cl84a0.h> +#include <nvrm/535.113.01/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080internal.h> +#include <nvrm/535.113.01/common/sdk/nvidia/inc/nvos.h> +#include <nvrm/535.113.01/nvidia/generated/g_fbsr_nvoc.h> +#include <nvrm/535.113.01/nvidia/generated/g_rpc-structures.h> +#include <nvrm/535.113.01/nvidia/kernel/inc/vgpu/rpc_global_enums.h> + +struct fbsr_item { + const char *type; + u64 addr; + u64 size; + + struct list_head head; +}; + +struct fbsr { + struct list_head items; + + u64 size; + int regions; + + struct nvkm_gsp_client client; + struct nvkm_gsp_device device; + + u64 hmemory; + u64 sys_offset; +}; + +static int +fbsr_memlist(struct nvkm_gsp_device *device, u32 handle, enum nvkm_memory_target aper, + u64 phys, u64 size, struct sg_table *sgt, struct nvkm_gsp_object *object) +{ + struct nvkm_gsp_client *client = device->object.client; + struct nvkm_gsp *gsp = client->gsp; + const u32 pages = size / GSP_PAGE_SIZE; + rpc_alloc_memory_v13_01 *rpc; + int ret; + + rpc = nvkm_gsp_rpc_get(gsp, NV_VGPU_MSG_FUNCTION_ALLOC_MEMORY, + sizeof(*rpc) + pages * sizeof(rpc->pteDesc.pte_pde[0])); + if (IS_ERR(rpc)) + return PTR_ERR(rpc); + + rpc->hClient = client->object.handle; + rpc->hDevice = device->object.handle; + rpc->hMemory = handle; + if (aper == NVKM_MEM_TARGET_HOST) { + rpc->hClass = NV01_MEMORY_LIST_SYSTEM; + rpc->flags = NVDEF(NVOS02, FLAGS, PHYSICALITY, NONCONTIGUOUS) | + NVDEF(NVOS02, FLAGS, LOCATION, PCI) | + NVDEF(NVOS02, FLAGS, MAPPING, NO_MAP); + } else { + rpc->hClass = NV01_MEMORY_LIST_FBMEM; + rpc->flags = NVDEF(NVOS02, FLAGS, PHYSICALITY, CONTIGUOUS) | + NVDEF(NVOS02, FLAGS, LOCATION, VIDMEM) | + NVDEF(NVOS02, FLAGS, MAPPING, NO_MAP); + rpc->format = 6; /* NV_MMU_PTE_KIND_GENERIC_MEMORY */ + } + rpc->pteAdjust = 0; + rpc->length = size; + rpc->pageCount = pages; + rpc->pteDesc.idr = 0; + rpc->pteDesc.reserved1 = 0; + rpc->pteDesc.length = pages; + + if (sgt) { + struct scatterlist *sgl; + int pte = 0, idx; + + for_each_sgtable_dma_sg(sgt, sgl, idx) { + for (int i = 0; i < sg_dma_len(sgl) / GSP_PAGE_SIZE; i++) + rpc->pteDesc.pte_pde[pte++].pte = (sg_dma_address(sgl) >> 12) + i; + + } + } else { + for (int i = 0; i < pages; i++) + rpc->pteDesc.pte_pde[i].pte = (phys >> 12) + i; + } + + ret = nvkm_gsp_rpc_wr(gsp, rpc, true); + if (ret) + return ret; + + object->client = device->object.client; + object->parent = &device->object; + object->handle = handle; + return 0; +} + +static int +fbsr_send(struct fbsr *fbsr, struct fbsr_item *item) +{ + NV2080_CTRL_INTERNAL_FBSR_SEND_REGION_INFO_PARAMS *ctrl; + struct nvkm_gsp *gsp = fbsr->client.gsp; + struct nvkm_gsp_object memlist; + int ret; + + ret = fbsr_memlist(&fbsr->device, fbsr->hmemory, NVKM_MEM_TARGET_VRAM, + item->addr, item->size, NULL, &memlist); + if (ret) + return ret; + + ctrl = nvkm_gsp_rm_ctrl_get(&gsp->internal.device.subdevice, + NV2080_CTRL_CMD_INTERNAL_FBSR_SEND_REGION_INFO, + sizeof(*ctrl)); + if (IS_ERR(ctrl)) { + ret = PTR_ERR(ctrl); + goto done; + } + + ctrl->fbsrType = FBSR_TYPE_DMA; + ctrl->hClient = fbsr->client.object.handle; + ctrl->hVidMem = fbsr->hmemory++; + ctrl->vidOffset = 0; + ctrl->sysOffset = fbsr->sys_offset; + ctrl->size = item->size; + + ret = nvkm_gsp_rm_ctrl_wr(&gsp->internal.device.subdevice, ctrl); +done: + nvkm_gsp_rm_free(&memlist); + if (ret) + return ret; + + fbsr->sys_offset += item->size; + return 0; +} + +static int +fbsr_init(struct fbsr *fbsr, struct sg_table *sgt, u64 items_size) +{ + NV2080_CTRL_INTERNAL_FBSR_INIT_PARAMS *ctrl; + struct nvkm_gsp *gsp = fbsr->client.gsp; + struct nvkm_gsp_object memlist; + int ret; + + ret = fbsr_memlist(&fbsr->device, fbsr->hmemory, NVKM_MEM_TARGET_HOST, + 0, fbsr->size, sgt, &memlist); + if (ret) + return ret; + + ctrl = nvkm_gsp_rm_ctrl_get(&gsp->internal.device.subdevice, + NV2080_CTRL_CMD_INTERNAL_FBSR_INIT, sizeof(*ctrl)); + if (IS_ERR(ctrl)) + return PTR_ERR(ctrl); + + ctrl->fbsrType = FBSR_TYPE_DMA; + ctrl->numRegions = fbsr->regions; + ctrl->hClient = fbsr->client.object.handle; + ctrl->hSysMem = fbsr->hmemory++; + ctrl->gspFbAllocsSysOffset = items_size; + + ret = nvkm_gsp_rm_ctrl_wr(&gsp->internal.device.subdevice, ctrl); + if (ret) + return ret; + + nvkm_gsp_rm_free(&memlist); + return 0; +} + +static bool +fbsr_vram(struct fbsr *fbsr, const char *type, u64 addr, u64 size) +{ + struct fbsr_item *item; + + if (!(item = kzalloc(sizeof(*item), GFP_KERNEL))) + return false; + + item->type = type; + item->addr = addr; + item->size = size; + list_add_tail(&item->head, &fbsr->items); + return true; +} + +static bool +fbsr_inst(struct fbsr *fbsr, const char *type, struct nvkm_memory *memory) +{ + return fbsr_vram(fbsr, type, nvkm_memory_addr(memory), nvkm_memory_size(memory)); +} + +static void +r535_instmem_resume(struct nvkm_instmem *imem) +{ + /* RM has restored VRAM contents already, so just need to free the sysmem buffer. */ + if (imem->rm.fbsr_valid) { + nvkm_gsp_sg_free(imem->subdev.device, &imem->rm.fbsr); + imem->rm.fbsr_valid = false; + } +} + +static int +r535_instmem_suspend(struct nvkm_instmem *imem) +{ + struct nvkm_subdev *subdev = &imem->subdev; + struct nvkm_device *device = subdev->device; + struct nvkm_gsp *gsp = device->gsp; + struct nvkm_instobj *iobj; + struct fbsr fbsr = {}; + struct fbsr_item *item, *temp; + u64 items_size; + int ret; + + INIT_LIST_HEAD(&fbsr.items); + fbsr.hmemory = 0xcaf00003; + + /* Create a list of all regions we need RM to save during suspend. */ + list_for_each_entry(iobj, &imem->list, head) { + if (iobj->preserve) { + if (!fbsr_inst(&fbsr, "inst", &iobj->memory)) + return -ENOMEM; + } + } + + list_for_each_entry(iobj, &imem->boot, head) { + if (!fbsr_inst(&fbsr, "boot", &iobj->memory)) + return -ENOMEM; + } + + if (!fbsr_vram(&fbsr, "gsp-non-wpr", gsp->fb.heap.addr, gsp->fb.heap.size)) + return -ENOMEM; + + /* Determine memory requirements. */ + list_for_each_entry(item, &fbsr.items, head) { + nvkm_debug(subdev, "fbsr: %016llx %016llx %s\n", + item->addr, item->size, item->type); + fbsr.size += item->size; + fbsr.regions++; + } + + items_size = fbsr.size; + nvkm_debug(subdev, "fbsr: %d regions (0x%llx bytes)\n", fbsr.regions, items_size); + + fbsr.size += gsp->fb.rsvd_size; + fbsr.size += gsp->fb.bios.vga_workspace.size; + nvkm_debug(subdev, "fbsr: size: 0x%llx bytes\n", fbsr.size); + + ret = nvkm_gsp_sg(gsp->subdev.device, fbsr.size, &imem->rm.fbsr); + if (ret) + goto done; + + /* Tell RM about the sysmem which will hold VRAM contents across suspend. */ + ret = nvkm_gsp_client_device_ctor(gsp, &fbsr.client, &fbsr.device); + if (ret) + goto done_sgt; + + ret = fbsr_init(&fbsr, &imem->rm.fbsr, items_size); + if (WARN_ON(ret)) + goto done_sgt; + + /* Send VRAM regions that need saving. */ + list_for_each_entry(item, &fbsr.items, head) { + ret = fbsr_send(&fbsr, item); + if (WARN_ON(ret)) + goto done_sgt; + } + + imem->rm.fbsr_valid = true; + + /* Cleanup everything except the sysmem backup, which will be removed after resume. */ +done_sgt: + if (ret) /* ... unless we failed already. */ + nvkm_gsp_sg_free(device, &imem->rm.fbsr); +done: + list_for_each_entry_safe(item, temp, &fbsr.items, head) { + list_del(&item->head); + kfree(item); + } + + nvkm_gsp_device_dtor(&fbsr.device); + nvkm_gsp_client_dtor(&fbsr.client); + return ret; +} + +static void * +r535_instmem_dtor(struct nvkm_instmem *imem) +{ + kfree(imem->func); + return imem; +} + +int +r535_instmem_new(const struct nvkm_instmem_func *hw, + struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_instmem **pinstmem) +{ + struct nvkm_instmem_func *rm; + int ret; + + if (!(rm = kzalloc(sizeof(*rm), GFP_KERNEL))) + return -ENOMEM; + + rm->dtor = r535_instmem_dtor; + rm->fini = hw->fini; + rm->suspend = r535_instmem_suspend; + rm->resume = r535_instmem_resume; + rm->memory_new = hw->memory_new; + rm->memory_wrap = hw->memory_wrap; + rm->zero = false; + + ret = nv50_instmem_new_(rm, device, type, inst, pinstmem); + if (ret) + kfree(rm); + + return ret; +} |