diff options
author | Ben Skeggs <bskeggs@redhat.com> | 2017-11-01 03:56:19 +1000 |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2017-11-02 13:32:21 +1000 |
commit | 24e8375b1bfdf7f6014b9e3d7903d6a8f81aa249 (patch) | |
tree | 8fe0aea03e23797e487ce9082ae4c35af7a2119c /drivers | |
parent | 9ce523cc3bf2ac19922e0a5d4b491221da01d1bc (diff) |
drm/nouveau: separate constant-va tracking from nvkm vma structure
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
21 files changed, 245 insertions, 151 deletions
diff --git a/drivers/gpu/drm/nouveau/Kbuild b/drivers/gpu/drm/nouveau/Kbuild index 3476b61b94b6..9c0c650655e9 100644 --- a/drivers/gpu/drm/nouveau/Kbuild +++ b/drivers/gpu/drm/nouveau/Kbuild @@ -34,6 +34,7 @@ nouveau-y += nouveau_mem.o nouveau-y += nouveau_prime.o nouveau-y += nouveau_sgdma.o nouveau-y += nouveau_ttm.o +nouveau-y += nouveau_vmm.o # DRM - modesetting nouveau-$(CONFIG_DRM_NOUVEAU_BACKLIGHT) += nouveau_backlight.o diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h index 439938cd6cbf..549a8782ce35 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h @@ -16,8 +16,6 @@ struct nvkm_vm_pgd { }; struct nvkm_vma { - struct list_head head; - int refcount; struct nvkm_vm *vm; struct nvkm_mm_node *node; union { diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c index f98f800cc011..9b0b210a37f8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -34,6 +34,7 @@ #include "nouveau_gem.h" #include "nouveau_chan.h" #include "nouveau_abi16.h" +#include "nouveau_vmm.h" static struct nouveau_abi16 * nouveau_abi16(struct drm_file *file_priv) @@ -134,7 +135,7 @@ nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16, } if (chan->ntfy) { - nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma); + nouveau_vma_del(&chan->ntfy_vma); nouveau_bo_unpin(chan->ntfy); drm_gem_object_unreference_unlocked(&chan->ntfy->gem); } @@ -329,8 +330,7 @@ nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) goto done; if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { - ret = nouveau_bo_vma_add(chan->ntfy, cli->vm, - &chan->ntfy_vma); + ret = nouveau_vma_new(chan->ntfy, &cli->vmm, &chan->ntfy_vma); if (ret) goto done; } @@ -548,8 +548,8 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { args.target = NV_DMA_V0_TARGET_VM; args.access = NV_DMA_V0_ACCESS_VM; - args.start += chan->ntfy_vma.offset; - args.limit += chan->ntfy_vma.offset; + args.start += chan->ntfy_vma->addr; + args.limit += chan->ntfy_vma->addr; } else if (drm->agp.bridge) { args.target = NV_DMA_V0_TARGET_AGP; diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.h b/drivers/gpu/drm/nouveau/nouveau_abi16.h index 841cc556fad8..327747680324 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.h +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.h @@ -23,7 +23,7 @@ struct nouveau_abi16_chan { struct nouveau_channel *chan; struct list_head notifiers; struct nouveau_bo *ntfy; - struct nvkm_vma ntfy_vma; + struct nouveau_vma *ntfy_vma; struct nvkm_mm heap; }; diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 415c0e315981..d89f3e700baf 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -38,6 +38,7 @@ #include "nouveau_ttm.h" #include "nouveau_gem.h" #include "nouveau_mem.h" +#include "nouveau_vmm.h" /* * NV10-NV40 tiling helpers @@ -1223,7 +1224,7 @@ nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, bool evict, { struct nouveau_mem *mem = new_reg ? nouveau_mem(new_reg) : NULL; struct nouveau_bo *nvbo = nouveau_bo(bo); - struct nvkm_vma *vma; + struct nouveau_vma *vma; /* ttm can now (stupidly) pass the driver bos it didn't create... */ if (bo->destroy != nouveau_bo_del_ttm) @@ -1232,12 +1233,12 @@ nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, bool evict, if (mem && new_reg->mem_type != TTM_PL_SYSTEM && mem->mem.page == nvbo->page) { list_for_each_entry(vma, &nvbo->vma_list, head) { - nvkm_vm_map(vma, mem->_mem); + nouveau_vma_map(vma, mem); } } else { list_for_each_entry(vma, &nvbo->vma_list, head) { WARN_ON(ttm_bo_wait(bo, false, false)); - nvkm_vm_unmap(vma); + nouveau_vma_unmap(vma); } } } @@ -1599,47 +1600,3 @@ struct ttm_bo_driver nouveau_bo_driver = { .io_mem_free = &nouveau_ttm_io_mem_free, .io_mem_pfn = ttm_bo_default_io_mem_pfn, }; - -struct nvkm_vma * -nouveau_bo_vma_find(struct nouveau_bo *nvbo, struct nvkm_vm *vm) -{ - struct nvkm_vma *vma; - list_for_each_entry(vma, &nvbo->vma_list, head) { - if (vma->vm == vm) - return vma; - } - - return NULL; -} - -int -nouveau_bo_vma_add(struct nouveau_bo *nvbo, struct nvkm_vm *vm, - struct nvkm_vma *vma) -{ - const u32 size = nvbo->bo.mem.num_pages << PAGE_SHIFT; - struct nouveau_mem *mem = nouveau_mem(&nvbo->bo.mem); - int ret; - - ret = nvkm_vm_get(vm, size, nvbo->page, NV_MEM_ACCESS_RW, vma); - if (ret) - return ret; - - if (nvbo->bo.mem.mem_type != TTM_PL_SYSTEM && - mem->mem.page == nvbo->page) - nvkm_vm_map(vma, mem->_mem); - - list_add_tail(&vma->head, &nvbo->vma_list); - vma->refcount = 1; - return 0; -} - -void -nouveau_bo_vma_del(struct nouveau_bo *nvbo, struct nvkm_vma *vma) -{ - if (vma->node) { - if (nvbo->bo.mem.mem_type != TTM_PL_SYSTEM) - nvkm_vm_unmap(vma); - nvkm_vm_put(vma); - list_del(&vma->head); - } -} diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h index a179bbf25dce..23002bdd94a8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.h +++ b/drivers/gpu/drm/nouveau/nouveau_bo.h @@ -93,13 +93,6 @@ int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); -struct nvkm_vma * -nouveau_bo_vma_find(struct nouveau_bo *, struct nvkm_vm *); - -int nouveau_bo_vma_add(struct nouveau_bo *, struct nvkm_vm *, - struct nvkm_vma *); -void nouveau_bo_vma_del(struct nouveau_bo *, struct nvkm_vma *); - /* TODO: submit equivalent to TTM generic API upstream? */ static inline void __iomem * nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c index 4af09e9be930..9fdca7b4cb05 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.c +++ b/drivers/gpu/drm/nouveau/nouveau_chan.c @@ -40,6 +40,7 @@ #include "nouveau_chan.h" #include "nouveau_fence.h" #include "nouveau_abi16.h" +#include "nouveau_vmm.h" MODULE_PARM_DESC(vram_pushbuf, "Create DMA push buffers in VRAM"); int nouveau_vram_pushbuf; @@ -91,7 +92,7 @@ nouveau_channel_del(struct nouveau_channel **pchan) nvif_notify_fini(&chan->kill); nvif_object_fini(&chan->user); nvif_object_fini(&chan->push.ctxdma); - nouveau_bo_vma_del(chan->push.buffer, &chan->push.vma); + nouveau_vma_del(&chan->push.vma); nouveau_bo_unmap(chan->push.buffer); if (chan->push.buffer && chan->push.buffer->pin_refcnt) nouveau_bo_unpin(chan->push.buffer); @@ -142,11 +143,11 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device, * pushbuf lives in, this is because the GEM code requires that * we be able to call out to other (indirect) push buffers */ - chan->push.vma.offset = chan->push.buffer->bo.offset; + chan->push.addr = chan->push.buffer->bo.offset; if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { - ret = nouveau_bo_vma_add(chan->push.buffer, cli->vm, - &chan->push.vma); + ret = nouveau_vma_new(chan->push.buffer, &cli->vmm, + &chan->push.vma); if (ret) { nouveau_channel_del(pchan); return ret; @@ -156,6 +157,8 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device, args.access = NV_DMA_V0_ACCESS_VM; args.start = 0; args.limit = cli->vm->mmu->limit - 1; + + chan->push.addr = chan->push.vma->addr; } else if (chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM) { if (device->info.family == NV_DEVICE_INFO_V0_TNT) { @@ -233,20 +236,20 @@ nouveau_channel_ind(struct nouveau_drm *drm, struct nvif_device *device, args.kepler.version = 0; args.kepler.engines = engine; args.kepler.ilength = 0x02000; - args.kepler.ioffset = 0x10000 + chan->push.vma.offset; + args.kepler.ioffset = 0x10000 + chan->push.addr; args.kepler.vm = 0; size = sizeof(args.kepler); } else if (oclass[0] >= FERMI_CHANNEL_GPFIFO) { args.fermi.version = 0; args.fermi.ilength = 0x02000; - args.fermi.ioffset = 0x10000 + chan->push.vma.offset; + args.fermi.ioffset = 0x10000 + chan->push.addr; args.fermi.vm = 0; size = sizeof(args.fermi); } else { args.nv50.version = 0; args.nv50.ilength = 0x02000; - args.nv50.ioffset = 0x10000 + chan->push.vma.offset; + args.nv50.ioffset = 0x10000 + chan->push.addr; args.nv50.pushbuf = nvif_handle(&chan->push.ctxdma); args.nv50.vm = 0; size = sizeof(args.nv50); @@ -293,7 +296,7 @@ nouveau_channel_dma(struct nouveau_drm *drm, struct nvif_device *device, /* create channel object */ args.version = 0; args.pushbuf = nvif_handle(&chan->push.ctxdma); - args.offset = chan->push.vma.offset; + args.offset = chan->push.addr; do { ret = nvif_object_init(&device->object, 0, *oclass++, diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.h b/drivers/gpu/drm/nouveau/nouveau_chan.h index 46b947ba1cf4..f29d3a72c48c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.h +++ b/drivers/gpu/drm/nouveau/nouveau_chan.h @@ -16,8 +16,9 @@ struct nouveau_channel { struct { struct nouveau_bo *buffer; - struct nvkm_vma vma; + struct nouveau_vma *vma; struct nvif_object ctxdma; + u64 addr; } push; /* TODO: this will be reworked in the near future */ diff --git a/drivers/gpu/drm/nouveau/nouveau_display.h b/drivers/gpu/drm/nouveau/nouveau_display.h index 201aec2ea5b8..1411bf05b89d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.h +++ b/drivers/gpu/drm/nouveau/nouveau_display.h @@ -1,14 +1,11 @@ #ifndef __NOUVEAU_DISPLAY_H__ #define __NOUVEAU_DISPLAY_H__ - -#include <subdev/mmu.h> - #include "nouveau_drv.h" struct nouveau_framebuffer { struct drm_framebuffer base; struct nouveau_bo *nvbo; - struct nvkm_vma vma; + struct nouveau_vma *vma; u32 r_handle; u32 r_format; u32 r_pitch; diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c index 2634a1a79888..10e84f6ca2b7 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.c +++ b/drivers/gpu/drm/nouveau/nouveau_dma.c @@ -26,6 +26,7 @@ #include "nouveau_drv.h" #include "nouveau_dma.h" +#include "nouveau_vmm.h" void OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned nr_dwords) @@ -71,11 +72,11 @@ READ_GET(struct nouveau_channel *chan, uint64_t *prev_get, int *timeout) return -EBUSY; } - if (val < chan->push.vma.offset || - val > chan->push.vma.offset + (chan->dma.max << 2)) + if (val < chan->push.addr || + val > chan->push.addr + (chan->dma.max << 2)) return -EINVAL; - return (val - chan->push.vma.offset) >> 2; + return (val - chan->push.addr) >> 2; } void @@ -84,13 +85,13 @@ nv50_dma_push(struct nouveau_channel *chan, struct nouveau_bo *bo, { struct nouveau_cli *cli = (void *)chan->user.client; struct nouveau_bo *pb = chan->push.buffer; - struct nvkm_vma *vma; + struct nouveau_vma *vma; int ip = (chan->dma.ib_put * 2) + chan->dma.ib_base; u64 offset; - vma = nouveau_bo_vma_find(bo, cli->vm); + vma = nouveau_vma_find(bo, &cli->vmm); BUG_ON(!vma); - offset = vma->offset + delta; + offset = vma->addr + delta; BUG_ON(chan->dma.ib_free < 1); @@ -224,7 +225,7 @@ nouveau_dma_wait(struct nouveau_channel *chan, int slots, int size) * instruct the GPU to jump back to the start right * after processing the currently pending commands. */ - OUT_RING(chan, chan->push.vma.offset | 0x20000000); + OUT_RING(chan, chan->push.addr | 0x20000000); /* wait for GET to depart from the skips area. * prevents writing GET==PUT and causing a race diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.h b/drivers/gpu/drm/nouveau/nouveau_dma.h index aff3a9d0a1fc..74e10b14a7da 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.h +++ b/drivers/gpu/drm/nouveau/nouveau_dma.h @@ -140,7 +140,7 @@ BEGIN_IMC0(struct nouveau_channel *chan, int subc, int mthd, u16 data) #define WRITE_PUT(val) do { \ mb(); \ nouveau_bo_rd32(chan->push.buffer, 0); \ - nvif_wr32(&chan->user, chan->user_put, ((val) << 2) + chan->push.vma.offset); \ + nvif_wr32(&chan->user, chan->user_put, ((val) << 2) + chan->push.addr);\ } while (0) static inline void diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index a705e56f0e57..25a47e8ba42b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -114,8 +114,8 @@ nouveau_name(struct drm_device *dev) static void nouveau_cli_fini(struct nouveau_cli *cli) { - nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL); usif_client_fini(cli); + nouveau_vmm_fini(&cli->vmm); nvif_device_fini(&cli->device); mutex_lock(&cli->drm->master.lock); nvif_client_fini(&cli->base); @@ -472,12 +472,11 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags) goto fail_device; } - ret = nvkm_vm_new(nvxx_device(&drm->client.device), - 0, (1ULL << 40), 0x1000, NULL, - &drm->client.vm); + ret = nouveau_vmm_init(&drm->client, 0, &drm->client.vmm); if (ret) goto fail_device; + drm->client.vm = drm->client.vmm.vm; nvxx_client(&drm->client.base)->vm = drm->client.vm; } @@ -863,11 +862,11 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) cli->base.super = false; if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { - ret = nvkm_vm_new(nvxx_device(&drm->client.device), 0, - (1ULL << 40), 0x1000, NULL, &cli->vm); + ret = nouveau_vmm_init(cli, 0, &cli->vmm); if (ret) goto done; + cli->vm = cli->vmm.vm; nvxx_client(&cli->base)->vm = cli->vm; } diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 610245970c99..ba8a9ab20562 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -61,6 +61,7 @@ struct platform_device; #include "nouveau_fence.h" #include "nouveau_bios.h" +#include "nouveau_vmm.h" struct nouveau_drm_tile { struct nouveau_fence *fence; @@ -90,8 +91,9 @@ struct nouveau_cli { struct mutex mutex; struct nvif_device device; + struct nouveau_vmm vmm; - struct nvkm_vm *vm; /*XXX*/ + struct nvkm_vm *vm; struct list_head head; void *abi16; struct list_head objects; diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 2b12d82aac15..c533d8e04afc 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -48,6 +48,7 @@ #include "nouveau_bo.h" #include "nouveau_fbcon.h" #include "nouveau_chan.h" +#include "nouveau_vmm.h" #include "nouveau_crtc.h" @@ -348,7 +349,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, chan = nouveau_nofbaccel ? NULL : drm->channel; if (chan && device->info.family >= NV_DEVICE_INFO_V0_TESLA) { - ret = nouveau_bo_vma_add(nvbo, drm->client.vm, &fb->vma); + ret = nouveau_vma_new(nvbo, &drm->client.vmm, &fb->vma); if (ret) { NV_ERROR(drm, "failed to map fb into chan: %d\n", ret); chan = NULL; @@ -402,7 +403,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, out_unlock: if (chan) - nouveau_bo_vma_del(fb->nvbo, &fb->vma); + nouveau_vma_del(&fb->vma); nouveau_bo_unmap(fb->nvbo); out_unpin: nouveau_bo_unpin(fb->nvbo); @@ -429,7 +430,7 @@ nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *fbcon) drm_fb_helper_fini(&fbcon->helper); if (nouveau_fb->nvbo) { - nouveau_bo_vma_del(nouveau_fb->nvbo, &nouveau_fb->vma); + nouveau_vma_del(&nouveau_fb->vma); nouveau_bo_unmap(nouveau_fb->nvbo); nouveau_bo_unpin(nouveau_fb->nvbo); drm_framebuffer_unreference(&nouveau_fb->base); diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.h b/drivers/gpu/drm/nouveau/nouveau_fence.h index 28a213509797..d32e58b66a75 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.h +++ b/drivers/gpu/drm/nouveau/nouveau_fence.h @@ -88,7 +88,7 @@ int nouveau_flip_complete(struct nvif_notify *); struct nv84_fence_chan { struct nouveau_fence_chan base; - struct nvkm_vma vma; + struct nouveau_vma *vma; }; struct nv84_fence_priv { diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 2d924739997a..9f82b13293f5 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -31,6 +31,7 @@ #include "nouveau_ttm.h" #include "nouveau_gem.h" +#include "nouveau_vmm.h" void nouveau_gem_object_del(struct drm_gem_object *gem) @@ -64,8 +65,8 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) struct nouveau_cli *cli = nouveau_cli(file_priv); struct nouveau_bo *nvbo = nouveau_gem_object(gem); struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev); - struct nvkm_vma *vma; struct device *dev = drm->dev->dev; + struct nouveau_vma *vma; int ret; if (!cli->vm) @@ -75,30 +76,13 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) if (ret) return ret; - vma = nouveau_bo_vma_find(nvbo, cli->vm); - if (!vma) { - vma = kzalloc(sizeof(*vma), GFP_KERNEL); - if (!vma) { - ret = -ENOMEM; - goto out; - } - - ret = pm_runtime_get_sync(dev); - if (ret < 0 && ret != -EACCES) { - kfree(vma); - goto out; - } - - ret = nouveau_bo_vma_add(nvbo, cli->vm, vma); - if (ret) - kfree(vma); - - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); - } else { - vma->refcount++; - } + ret = pm_runtime_get_sync(dev); + if (ret < 0 && ret != -EACCES) + goto out; + ret = nouveau_vma_new(nvbo, &cli->vmm, &vma); + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); out: ttm_bo_unreserve(&nvbo->bo); return ret; @@ -107,14 +91,12 @@ out: static void nouveau_gem_object_delete(void *data) { - struct nvkm_vma *vma = data; - nvkm_vm_unmap(vma); - nvkm_vm_put(vma); - kfree(vma); + struct nouveau_vma *vma = data; + nouveau_vma_del(&vma); } static void -nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nvkm_vma *vma) +nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma) { const bool mapped = nvbo->bo.mem.mem_type != TTM_PL_SYSTEM; struct reservation_object *resv = nvbo->bo.resv; @@ -123,7 +105,7 @@ nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nvkm_vma *vma) fobj = reservation_object_get_list(resv); - list_del(&vma->head); + list_del_init(&vma->head); if (fobj && fobj->shared_count > 1) ttm_bo_wait(&nvbo->bo, false, false); @@ -133,14 +115,10 @@ nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nvkm_vma *vma) else fence = reservation_object_get_excl(nvbo->bo.resv); - if (fence && mapped) { + if (fence && mapped) nouveau_fence_work(fence, nouveau_gem_object_delete, vma); - } else { - if (mapped) - nvkm_vm_unmap(vma); - nvkm_vm_put(vma); - kfree(vma); - } + else + nouveau_vma_del(&vma); } void @@ -150,7 +128,7 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv) struct nouveau_bo *nvbo = nouveau_gem_object(gem); struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev); struct device *dev = drm->dev->dev; - struct nvkm_vma *vma; + struct nouveau_vma *vma; int ret; if (!cli->vm) @@ -160,9 +138,9 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv) if (ret) return; - vma = nouveau_bo_vma_find(nvbo, cli->vm); + vma = nouveau_vma_find(nvbo, &cli->vmm); if (vma) { - if (--vma->refcount == 0) { + if (--vma->refs == 0) { ret = pm_runtime_get_sync(dev); if (!WARN_ON(ret < 0 && ret != -EACCES)) { nouveau_gem_object_unmap(nvbo, vma); @@ -227,7 +205,7 @@ nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem, { struct nouveau_cli *cli = nouveau_cli(file_priv); struct nouveau_bo *nvbo = nouveau_gem_object(gem); - struct nvkm_vma *vma; + struct nouveau_vma *vma; if (is_power_of_2(nvbo->valid_domains)) rep->domain = nvbo->valid_domains; @@ -237,11 +215,11 @@ nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem, rep->domain = NOUVEAU_GEM_DOMAIN_VRAM; rep->offset = nvbo->bo.offset; if (cli->vm) { - vma = nouveau_bo_vma_find(nvbo, cli->vm); + vma = nouveau_vma_find(nvbo, &cli->vmm); if (!vma) return -EINVAL; - rep->offset = vma->offset; + rep->offset = vma->addr; } rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT; @@ -798,7 +776,7 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data, bo[push[i].bo_index].user_priv; uint32_t cmd; - cmd = chan->push.vma.offset + ((chan->dma.cur + 2) << 2); + cmd = chan->push.addr + ((chan->dma.cur + 2) << 2); cmd |= 0x20000000; if (unlikely(cmd != req->suffix0)) { if (!nvbo->kmap.virtual) { @@ -850,7 +828,7 @@ out_next: req->suffix1 = 0x00000000; } else { req->suffix0 = 0x20000000 | - (chan->push.vma.offset + ((chan->dma.cur + 2) << 2)); + (chan->push.addr + ((chan->dma.cur + 2) << 2)); req->suffix1 = 0x00000000; } diff --git a/drivers/gpu/drm/nouveau/nouveau_vmm.c b/drivers/gpu/drm/nouveau/nouveau_vmm.c new file mode 100644 index 000000000000..855d549e17cf --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_vmm.c @@ -0,0 +1,128 @@ +/* + * 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 "nouveau_vmm.h" +#include "nouveau_drv.h" +#include "nouveau_bo.h" +#include "nouveau_mem.h" + +void +nouveau_vma_unmap(struct nouveau_vma *vma) +{ + if (vma->mem) { + nvkm_vm_unmap(&vma->_vma); + vma->mem = NULL; + } +} + +int +nouveau_vma_map(struct nouveau_vma *vma, struct nouveau_mem *mem) +{ + int ret = nouveau_mem_map(mem, vma->vmm->vm, &vma->_vma); + if (ret) + return ret; + vma->mem = mem; + return 0; +} + +struct nouveau_vma * +nouveau_vma_find(struct nouveau_bo *nvbo, struct nouveau_vmm *vmm) +{ + struct nouveau_vma *vma; + + list_for_each_entry(vma, &nvbo->vma_list, head) { + if (vma->vmm == vmm) + return vma; + } + + return NULL; +} + +void +nouveau_vma_del(struct nouveau_vma **pvma) +{ + struct nouveau_vma *vma = *pvma; + if (vma && --vma->refs <= 0) { + if (likely(vma->addr != ~0ULL)) { + nouveau_vma_unmap(vma); + nvkm_vm_put(&vma->_vma); + } + list_del(&vma->head); + *pvma = NULL; + kfree(*pvma); + } +} + +int +nouveau_vma_new(struct nouveau_bo *nvbo, struct nouveau_vmm *vmm, + struct nouveau_vma **pvma) +{ + struct nouveau_mem *mem = nouveau_mem(&nvbo->bo.mem); + struct nouveau_vma *vma; + int ret; + + if ((vma = *pvma = nouveau_vma_find(nvbo, vmm))) { + vma->refs++; + return 0; + } + + if (!(vma = *pvma = kmalloc(sizeof(*vma), GFP_KERNEL))) + return -ENOMEM; + vma->vmm = vmm; + vma->refs = 1; + vma->addr = ~0ULL; + vma->mem = NULL; + list_add_tail(&vma->head, &nvbo->vma_list); + + if (nvbo->bo.mem.mem_type != TTM_PL_SYSTEM && + mem->mem.page == nvbo->page) { + ret = nvkm_vm_get(vmm->vm, mem->_mem->size << 12, mem->mem.page, + NV_MEM_ACCESS_RW, &vma->_vma); + if (ret) + goto done; + + vma->addr = vma->_vma.offset; + ret = nouveau_vma_map(vma, mem); + } else { + ret = nvkm_vm_get(vmm->vm, mem->_mem->size << 12, mem->mem.page, + NV_MEM_ACCESS_RW, &vma->_vma); + vma->addr = vma->_vma.offset; + } + +done: + if (ret) + nouveau_vma_del(pvma); + return ret; +} + +void +nouveau_vmm_fini(struct nouveau_vmm *vmm) +{ + nvkm_vm_ref(NULL, &vmm->vm, NULL); +} + +int +nouveau_vmm_init(struct nouveau_cli *cli, s32 oclass, struct nouveau_vmm *vmm) +{ + vmm->cli = cli; + return nvkm_vm_new(nvxx_device(&cli->device), 0, (1ULL << 40), + 0x1000, NULL, &vmm->vm); +} diff --git a/drivers/gpu/drm/nouveau/nouveau_vmm.h b/drivers/gpu/drm/nouveau/nouveau_vmm.h new file mode 100644 index 000000000000..86ab599aafb2 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_vmm.h @@ -0,0 +1,32 @@ +#ifndef __NOUVEAU_VMA_H__ +#define __NOUVEAU_VMA_H__ +#include <subdev/mmu.h> +struct nouveau_bo; +struct nouveau_mem; + +struct nouveau_vma { + struct nouveau_vmm *vmm; + int refs; + struct list_head head; + u64 addr; + + struct nouveau_mem *mem; + + struct nvkm_vma _vma; +}; + +struct nouveau_vma *nouveau_vma_find(struct nouveau_bo *, struct nouveau_vmm *); +int nouveau_vma_new(struct nouveau_bo *, struct nouveau_vmm *, + struct nouveau_vma **); +void nouveau_vma_del(struct nouveau_vma **); +int nouveau_vma_map(struct nouveau_vma *, struct nouveau_mem *); +void nouveau_vma_unmap(struct nouveau_vma *); + +struct nouveau_vmm { + struct nouveau_cli *cli; + struct nvkm_vm *vm; +}; + +int nouveau_vmm_init(struct nouveau_cli *, s32 oclass, struct nouveau_vmm *); +void nouveau_vmm_fini(struct nouveau_vmm *); +#endif diff --git a/drivers/gpu/drm/nouveau/nv50_fbcon.c b/drivers/gpu/drm/nouveau/nv50_fbcon.c index 327dcd7901ed..facd18564e0d 100644 --- a/drivers/gpu/drm/nouveau/nv50_fbcon.c +++ b/drivers/gpu/drm/nouveau/nv50_fbcon.c @@ -25,6 +25,7 @@ #include "nouveau_drv.h" #include "nouveau_dma.h" #include "nouveau_fbcon.h" +#include "nouveau_vmm.h" int nv50_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect) @@ -239,8 +240,8 @@ nv50_fbcon_accel_init(struct fb_info *info) OUT_RING(chan, info->fix.line_length); OUT_RING(chan, info->var.xres_virtual); OUT_RING(chan, info->var.yres_virtual); - OUT_RING(chan, upper_32_bits(fb->vma.offset)); - OUT_RING(chan, lower_32_bits(fb->vma.offset)); + OUT_RING(chan, upper_32_bits(fb->vma->addr)); + OUT_RING(chan, lower_32_bits(fb->vma->addr)); BEGIN_NV04(chan, NvSub2D, 0x0230, 2); OUT_RING(chan, format); OUT_RING(chan, 1); @@ -248,8 +249,8 @@ nv50_fbcon_accel_init(struct fb_info *info) OUT_RING(chan, info->fix.line_length); OUT_RING(chan, info->var.xres_virtual); OUT_RING(chan, info->var.yres_virtual); - OUT_RING(chan, upper_32_bits(fb->vma.offset)); - OUT_RING(chan, lower_32_bits(fb->vma.offset)); + OUT_RING(chan, upper_32_bits(fb->vma->addr)); + OUT_RING(chan, lower_32_bits(fb->vma->addr)); FIRE_RING(chan); return 0; diff --git a/drivers/gpu/drm/nouveau/nv84_fence.c b/drivers/gpu/drm/nouveau/nv84_fence.c index e5f6249edde9..5f0c0c27d5dc 100644 --- a/drivers/gpu/drm/nouveau/nv84_fence.c +++ b/ |