From a11c3198c9ba38d81e25b65e3908d531feba1372 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 27 Aug 2010 10:00:25 +1000 Subject: [PATCH] drm/nv50: import new vm code Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/Makefile | 5 +- drivers/gpu/drm/nouveau/nouveau_drv.h | 9 +- drivers/gpu/drm/nouveau/nouveau_mem.c | 5 +- drivers/gpu/drm/nouveau/nouveau_object.c | 2 +- drivers/gpu/drm/nouveau/nouveau_vm.c | 421 +++++++++++++++++++++++ drivers/gpu/drm/nouveau/nouveau_vm.h | 107 ++++++ drivers/gpu/drm/nouveau/nv50_fifo.c | 3 +- drivers/gpu/drm/nouveau/nv50_graph.c | 5 +- drivers/gpu/drm/nouveau/nv50_instmem.c | 12 +- drivers/gpu/drm/nouveau/nv50_vm.c | 164 +++++++++ drivers/gpu/drm/nouveau/nv84_crypt.c | 3 +- 11 files changed, 714 insertions(+), 22 deletions(-) create mode 100644 drivers/gpu/drm/nouveau/nouveau_vm.c create mode 100644 drivers/gpu/drm/nouveau/nouveau_vm.h create mode 100644 drivers/gpu/drm/nouveau/nv50_vm.c diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index 26fdd12561b6..b1d8941e04d8 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -9,8 +9,9 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \ nouveau_bo.o nouveau_fence.o nouveau_gem.o nouveau_ttm.o \ nouveau_hw.o nouveau_calc.o nouveau_bios.o nouveau_i2c.o \ nouveau_display.o nouveau_connector.o nouveau_fbcon.o \ - nouveau_dp.o nouveau_ramht.o nouveau_mm.o \ + nouveau_dp.o nouveau_ramht.o \ nouveau_pm.o nouveau_volt.o nouveau_perf.o nouveau_temp.o \ + nouveau_mm.o nouveau_vm.o \ nv04_timer.o \ nv04_mc.o nv40_mc.o nv50_mc.o \ nv04_fb.o nv10_fb.o nv30_fb.o nv40_fb.o nv50_fb.o nvc0_fb.o \ @@ -27,7 +28,7 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \ nv10_gpio.o nv50_gpio.o \ nv50_calc.o \ nv04_pm.o nv50_pm.o nva3_pm.o \ - nv50_vram.o + nv50_vram.o nv50_vm.o nouveau-$(CONFIG_DRM_NOUVEAU_DEBUG) += nouveau_debugfs.o nouveau-$(CONFIG_COMPAT) += nouveau_ioc32.o diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 1305e2c94201..ce1dde4a65d6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -153,6 +153,7 @@ enum nouveau_flags { #define NVOBJ_ENGINE_DISPLAY 0xcafe0001 #define NVOBJ_ENGINE_INT 0xdeadbeef +#define NVOBJ_FLAG_DONT_MAP (1 << 0) #define NVOBJ_FLAG_ZERO_ALLOC (1 << 1) #define NVOBJ_FLAG_ZERO_FREE (1 << 2) @@ -1213,7 +1214,6 @@ extern int nv50_instmem_map(struct nouveau_gpuobj *); extern void nv50_instmem_unmap(struct nouveau_gpuobj *); extern void nv50_instmem_flush(struct drm_device *); extern void nv84_instmem_flush(struct drm_device *); -extern void nv50_vm_flush(struct drm_device *, int engine); /* nvc0_instmem.c */ extern int nvc0_instmem_init(struct drm_device *); @@ -1564,10 +1564,11 @@ nv_match_device(struct drm_device *dev, unsigned device, } /* memory type/access flags, do not match hardware values */ -#define NV_MEM_ACCESS_RO 1 -#define NV_MEM_ACCESS_WO 2 +#define NV_MEM_ACCESS_RO 1 +#define NV_MEM_ACCESS_WO 2 #define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO) -#define NV_MEM_ACCESS_VM 4 +#define NV_MEM_ACCESS_SYS 4 +#define NV_MEM_ACCESS_VM 8 #define NV_MEM_TARGET_VRAM 0 #define NV_MEM_TARGET_PCI 1 diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index dbeb9e5f6b22..2d02401e8227 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -37,6 +37,7 @@ #include "nouveau_drv.h" #include "nouveau_pm.h" #include "nouveau_mm.h" +#include "nouveau_vm.h" /* * NV10-NV40 tiling helpers @@ -201,7 +202,7 @@ nv50_mem_vm_bind_linear(struct drm_device *dev, uint64_t virt, uint32_t size, dev_priv->engine.instmem.flush(dev); dev_priv->engine.fifo.tlb_flush(dev); dev_priv->engine.graph.tlb_flush(dev); - nv50_vm_flush(dev, 6); + nv50_vm_flush_engine(dev, 6); return 0; } @@ -234,7 +235,7 @@ nv50_mem_vm_unbind(struct drm_device *dev, uint64_t virt, uint32_t size) dev_priv->engine.instmem.flush(dev); dev_priv->engine.fifo.tlb_flush(dev); dev_priv->engine.graph.tlb_flush(dev); - nv50_vm_flush(dev, 6); + nv50_vm_flush_engine(dev, 6); } /* diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c index 5cc3f7e59fa1..dd1859f7d8b0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_object.c +++ b/drivers/gpu/drm/nouveau/nouveau_object.c @@ -213,7 +213,7 @@ nouveau_gpuobj_new(struct drm_device *dev, struct nouveau_channel *chan, } ret = -ENOSYS; - if (dev_priv->ramin_available) + if (!(flags & NVOBJ_FLAG_DONT_MAP)) ret = instmem->map(gpuobj); if (ret) gpuobj->pinst = ~0; diff --git a/drivers/gpu/drm/nouveau/nouveau_vm.c b/drivers/gpu/drm/nouveau/nouveau_vm.c new file mode 100644 index 000000000000..07ab1749cf7d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_vm.c @@ -0,0 +1,421 @@ +/* + * Copyright 2010 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. + * + * Authors: Ben Skeggs + */ + +#include "drmP.h" +#include "nouveau_drv.h" +#include "nouveau_mm.h" +#include "nouveau_vm.h" + +void +nouveau_vm_map_at(struct nouveau_vma *vma, u64 delta, struct nouveau_vram *vram) +{ + struct nouveau_vm *vm = vma->vm; + struct nouveau_mm_node *r; + u32 offset = vma->node->offset + (delta >> 12); + u32 bits = vma->node->type - 12; + u32 pde = (offset >> vm->pgt_bits) - vm->fpde; + u32 pte = (offset & ((1 << vm->pgt_bits) - 1)) >> bits; + u32 max = 1 << (vm->pgt_bits - bits); + u32 end, len; + + list_for_each_entry(r, &vram->regions, rl_entry) { + u64 phys = (u64)r->offset << 12; + u32 num = r->length >> bits; + + while (num) { + struct nouveau_gpuobj *pgt = vm->pgt[pde].obj; + + end = (pte + num); + if (unlikely(end >= max)) + end = max; + len = end - pte; + + vm->map(vma, pgt, vram, pte, len, phys); + + num -= len; + pte += len; + if (unlikely(end >= max)) { + pde++; + pte = 0; + } + } + } + + vm->flush(vm); +} + +void +nouveau_vm_map(struct nouveau_vma *vma, struct nouveau_vram *vram) +{ + nouveau_vm_map_at(vma, 0, vram); +} + +void +nouveau_vm_map_sg(struct nouveau_vma *vma, u64 delta, u64 length, + dma_addr_t *list) +{ + struct nouveau_vm *vm = vma->vm; + u32 offset = vma->node->offset + (delta >> 12); + u32 bits = vma->node->type - 12; + u32 num = length >> vma->node->type; + u32 pde = (offset >> vm->pgt_bits) - vm->fpde; + u32 pte = (offset & ((1 << vm->pgt_bits) - 1)) >> bits; + u32 max = 1 << (vm->pgt_bits - bits); + u32 end, len; + + while (num) { + struct nouveau_gpuobj *pgt = vm->pgt[pde].obj; + + end = (pte + num); + if (unlikely(end >= max)) + end = max; + len = end - pte; + + vm->map_sg(vma, pgt, pte, list, len); + + num -= len; + pte += len; + list += len; + if (unlikely(end >= max)) { + pde++; + pte = 0; + } + } + + vm->flush(vm); +} + +void +nouveau_vm_unmap_at(struct nouveau_vma *vma, u64 delta, u64 length) +{ + struct nouveau_vm *vm = vma->vm; + u32 offset = vma->node->offset + (delta >> 12); + u32 bits = vma->node->type - 12; + u32 num = length >> vma->node->type; + u32 pde = (offset >> vm->pgt_bits) - vm->fpde; + u32 pte = (offset & ((1 << vm->pgt_bits) - 1)) >> bits; + u32 max = 1 << (vm->pgt_bits - bits); + u32 end, len; + + while (num) { + struct nouveau_gpuobj *pgt = vm->pgt[pde].obj; + + end = (pte + num); + if (unlikely(end >= max)) + end = max; + len = end - pte; + + vm->unmap(pgt, pte, len); + + num -= len; + pte += len; + if (unlikely(end >= max)) { + pde++; + pte = 0; + } + } + + vm->flush(vm); +} + +void +nouveau_vm_unmap(struct nouveau_vma *vma) +{ + nouveau_vm_unmap_at(vma, 0, (u64)vma->node->length << 12); +} + +static void +nouveau_vm_unmap_pgt(struct nouveau_vm *vm, u32 fpde, u32 lpde) +{ + struct nouveau_vm_pgd *vpgd; + struct nouveau_vm_pgt *vpgt; + struct nouveau_gpuobj *pgt; + u32 pde; + + for (pde = fpde; pde <= lpde; pde++) { + vpgt = &vm->pgt[pde - vm->fpde]; + if (--vpgt->refcount) + continue; + + list_for_each_entry(vpgd, &vm->pgd_list, head) { + vm->unmap_pgt(vpgd->obj, pde); + } + + pgt = vpgt->obj; + vpgt->obj = NULL; + + mutex_unlock(&vm->mm->mutex); + nouveau_gpuobj_ref(NULL, &pgt); + mutex_lock(&vm->mm->mutex); + } +} + +static int +nouveau_vm_map_pgt(struct nouveau_vm *vm, u32 pde, u32 type) +{ + struct nouveau_vm_pgt *vpgt = &vm->pgt[pde - vm->fpde]; + struct nouveau_vm_pgd *vpgd; + struct nouveau_gpuobj *pgt; + u32 pgt_size; + int ret; + + pgt_size = (1 << (vm->pgt_bits + 12)) >> type; + pgt_size *= 8; + + mutex_unlock(&vm->mm->mutex); + ret = nouveau_gpuobj_new(vm->dev, NULL, pgt_size, 0x1000, + NVOBJ_FLAG_ZERO_ALLOC, &pgt); + mutex_lock(&vm->mm->mutex); + if (unlikely(ret)) + return ret; + + /* someone beat us to filling the PDE while we didn't have the lock */ + if (unlikely(vpgt->refcount++)) { + mutex_unlock(&vm->mm->mutex); + nouveau_gpuobj_ref(NULL, &pgt); + mutex_lock(&vm->mm->mutex); + return 0; + } + + list_for_each_entry(vpgd, &vm->pgd_list, head) { + vm->map_pgt(vpgd->obj, type, pde, pgt); + } + + vpgt->page_shift = type; + vpgt->obj = pgt; + return 0; +} + +int +nouveau_vm_get(struct nouveau_vm *vm, u64 size, u32 page_shift, + u32 access, struct nouveau_vma *vma) +{ + u32 align = (1 << page_shift) >> 12; + u32 msize = size >> 12; + u32 fpde, lpde, pde; + int ret; + + mutex_lock(&vm->mm->mutex); + ret = nouveau_mm_get(vm->mm, page_shift, msize, 0, align, &vma->node); + if (unlikely(ret != 0)) { + mutex_unlock(&vm->mm->mutex); + return ret; + } + + fpde = (vma->node->offset >> vm->pgt_bits); + lpde = (vma->node->offset + vma->node->length - 1) >> vm->pgt_bits; + for (pde = fpde; pde <= lpde; pde++) { + struct nouveau_vm_pgt *vpgt = &vm->pgt[pde - vm->fpde]; + + if (likely(vpgt->refcount)) { + vpgt->refcount++; + continue; + } + + ret = nouveau_vm_map_pgt(vm, pde, vma->node->type); + if (ret) { + if (pde != fpde) + nouveau_vm_unmap_pgt(vm, fpde, pde - 1); + nouveau_mm_put(vm->mm, vma->node); + mutex_unlock(&vm->mm->mutex); + vma->node = NULL; + return ret; + } + } + mutex_unlock(&vm->mm->mutex); + + vma->vm = vm; + vma->offset = (u64)vma->node->offset << 12; + vma->access = access; + return 0; +} + +void +nouveau_vm_put(struct nouveau_vma *vma) +{ + struct nouveau_vm *vm = vma->vm; + u32 fpde, lpde; + + if (unlikely(vma->node == NULL)) + return; + fpde = (vma->node->offset >> vm->pgt_bits); + lpde = (vma->node->offset + vma->node->length - 1) >> vm->pgt_bits; + + mutex_lock(&vm->mm->mutex); + nouveau_mm_put(vm->mm, vma->node); + vma->node = NULL; + nouveau_vm_unmap_pgt(vm, fpde, lpde); + mutex_unlock(&vm->mm->mutex); +} + +int +nouveau_vm_new(struct drm_device *dev, u64 offset, u64 length, u64 mm_offset, + u8 pgt_bits, u8 spg_shift, u8 lpg_shift, + struct nouveau_vm **pvm) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_vm *vm; + u64 mm_length = (offset + length) - mm_offset; + u32 block; + int ret; + + vm = kzalloc(sizeof(*vm), GFP_KERNEL); + if (!vm) + return -ENOMEM; + + if (dev_priv->card_type == NV_50) { + vm->map_pgt = nv50_vm_map_pgt; + vm->unmap_pgt = nv50_vm_unmap_pgt; + vm->map = nv50_vm_map; + vm->map_sg = nv50_vm_map_sg; + vm->unmap = nv50_vm_unmap; + vm->flush = nv50_vm_flush; + } else { + kfree(vm); + return -ENOSYS; + } + + vm->fpde = offset >> pgt_bits; + vm->lpde = (offset + length - 1) >> pgt_bits; + vm->pgt = kcalloc(vm->lpde - vm->fpde + 1, sizeof(*vm->pgt), GFP_KERNEL); + if (!vm->pgt) { + kfree(vm); + return -ENOMEM; + } + + INIT_LIST_HEAD(&vm->pgd_list); + vm->dev = dev; + vm->refcount = 1; + vm->pgt_bits = pgt_bits - 12; + vm->spg_shift = spg_shift; + vm->lpg_shift = lpg_shift; + + block = (1 << pgt_bits); + if (length < block) + block = length; + + ret = nouveau_mm_init(&vm->mm, mm_offset >> 12, mm_length >> 12, + block >> 12); + if (ret) { + kfree(vm); + return ret; + } + + *pvm = vm; + return 0; +} + +static int +nouveau_vm_link(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd) +{ + struct nouveau_vm_pgd *vpgd; + int i; + + if (!pgd) + return 0; + + vpgd = kzalloc(sizeof(*vpgd), GFP_KERNEL); + if (!vpgd) + return -ENOMEM; + + nouveau_gpuobj_ref(pgd, &vpgd->obj); + + mutex_lock(&vm->mm->mutex); + for (i = vm->fpde; i <= vm->lpde; i++) { + struct nouveau_vm_pgt *vpgt = &vm->pgt[i - vm->fpde]; + + if (!vpgt->obj) { + vm->unmap_pgt(pgd, i); + continue; + } + + vm->map_pgt(pgd, vpgt->page_shift, i, vpgt->obj); + } + list_add(&vpgd->head, &vm->pgd_list); + mutex_unlock(&vm->mm->mutex); + return 0; +} + +static void +nouveau_vm_unlink(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd) +{ + struct nouveau_vm_pgd *vpgd, *tmp; + + if (!pgd) + return; + + mutex_lock(&vm->mm->mutex); + list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) { + if (vpgd->obj != pgd) + continue; + + list_del(&vpgd->head); + nouveau_gpuobj_ref(NULL, &vpgd->obj); + kfree(vpgd); + } + mutex_unlock(&vm->mm->mutex); +} + +static void +nouveau_vm_del(struct nouveau_vm *vm) +{ + struct nouveau_vm_pgd *vpgd, *tmp; + + list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) { + nouveau_vm_unlink(vm, vpgd->obj); + } + WARN_ON(nouveau_mm_fini(&vm->mm) != 0); + + kfree(vm->pgt); + kfree(vm); +} + +int +nouveau_vm_ref(struct nouveau_vm *ref, struct nouveau_vm **ptr, + struct nouveau_gpuobj *pgd) +{ + struct nouveau_vm *vm; + int ret; + + vm = ref; + if (vm) { + ret = nouveau_vm_link(vm, pgd); + if (ret) + return ret; + + vm->refcount++; + } + + vm = *ptr; + *ptr = ref; + + if (vm) { + nouveau_vm_unlink(vm, pgd); + + if (--vm->refcount == 0) + nouveau_vm_del(vm); + } + + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nouveau_vm.h b/drivers/gpu/drm/nouveau/nouveau_vm.h new file mode 100644 index 000000000000..b6755cfa7b71 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_vm.h @@ -0,0 +1,107 @@ +/* + * Copyright 2010 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. + * + * Authors: Ben Skeggs + */ + +#ifndef __NOUVEAU_VM_H__ +#define __NOUVEAU_VM_H__ + +#include "drmP.h" + +#include "nouveau_drv.h" +#include "nouveau_mm.h" + +struct nouveau_vm_pgt { + struct nouveau_gpuobj *obj; + u32 page_shift; + u32 refcount; +}; + +struct nouveau_vm_pgd { + struct list_head head; + struct nouveau_gpuobj *obj; +}; + +struct nouveau_vma { + struct nouveau_vm *vm; + struct nouveau_mm_node *node; + u64 offset; + u32 access; +}; + +struct nouveau_vm { + struct drm_device *dev; + struct nouveau_mm *mm; + int refcount; + + struct list_head pgd_list; + atomic_t pgraph_refs; + atomic_t pcrypt_refs; + + struct nouveau_vm_pgt *pgt; + u32 fpde; + u32 lpde; + + u32 pgt_bits; + u8 spg_shift; + u8 lpg_shift; + + void (*map_pgt)(struct nouveau_gpuobj *pgd, u32 type, u32 pde, + struct nouveau_gpuobj *pgt); + void (*unmap_pgt)(struct nouveau_gpuobj *pgd, u32 pde); + void (*map)(struct nouveau_vma *, struct nouveau_gpuobj *, + struct nouveau_vram *, u32 pte, u32 cnt, u64 phys); + void (*map_sg)(struct nouveau_vma *, struct nouveau_gpuobj *, + u32 pte, dma_addr_t *, u32 cnt); + void (*unmap)(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt); + void (*flush)(struct nouveau_vm *); +}; + +/* nouveau_vm.c */ +int nouveau_vm_new(struct drm_device *, u64 offset, u64 length, u64 mm_offset, + u8 pgt_bits, u8 spg_shift, u8 lpg_shift, + struct nouveau_vm **); +int nouveau_vm_ref(struct nouveau_vm *, struct nouveau_vm **, + struct nouveau_gpuobj *pgd); +int nouveau_vm_get(struct nouveau_vm *, u64 size, u32 page_shift, + u32 access, struct nouveau_vma *); +void nouveau_vm_put(struct nouveau_vma *); +void nouveau_vm_map(struct nouveau_vma *, struct nouveau_vram *); +void nouveau_vm_map_at(struct nouveau_vma *, u64 offset, struct nouveau_vram *); +void nouveau_vm_unmap(struct nouveau_vma *); +void nouveau_vm_unmap_at(struct nouveau_vma *, u64 offset, u64 length); +void nouveau_vm_map_sg(struct nouveau_vma *, u64 offset, u64 length, + dma_addr_t *); + +/* nv50_vm.c */ +void nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 type, u32 pde, + struct nouveau_gpuobj *pgt); +void nv50_vm_unmap_pgt(struct nouveau_gpuobj *pgd, u32 pde); +void nv50_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *, + struct nouveau_vram *, u32 pte, u32 cnt, u64 phys); +void nv50_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *, + u32 pte, dma_addr_t *, u32 cnt); +void nv50_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt); +void nv50_vm_flush(struct nouveau_vm *); +void nv50_vm_flush_engine(struct drm_device *, int engine); + +#endif diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c b/drivers/gpu/drm/nouveau/nv50_fifo.c index 7add3dfde3df..8dd04c5dac67 100644 --- a/drivers/gpu/drm/nouveau/nv50_fifo.c +++ b/drivers/gpu/drm/nouveau/nv50_fifo.c @@ -28,6 +28,7 @@ #include "drm.h" #include "nouveau_drv.h" #include "nouveau_ramht.h" +#include "nouveau_vm.h" static void nv50_fifo_playlist_update(struct drm_device *dev) @@ -498,5 +499,5 @@ nv50_fifo_unload_context(struct drm_device *dev) void nv50_fifo_tlb_flush(struct drm_device *dev) { - nv50_vm_flush(dev, 5); + nv50_vm_flush_engine(dev, 5); } diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c index b3900788c66d..f5fd1b296d27 100644 --- a/drivers/gpu/drm/nouveau/nv50_graph.c +++ b/drivers/gpu/drm/nouveau/nv50_graph.c @@ -30,6 +30,7 @@ #include "nouveau_ramht.h" #include "nouveau_grctx.h" #include "nouveau_dma.h" +#include "nouveau_vm.h" #include "nv50_evo.h" static int nv50_graph_register(struct drm_device *); @@ -468,7 +469,7 @@ nv50_graph_register(struct drm_device *dev) void nv50_graph_tlb_flush(struct drm_device *dev) { - nv50_vm_flush(dev, 0); + nv50_vm_flush_engine(dev, 0); } void @@ -511,7 +512,7 @@ nv86_graph_tlb_flush(struct drm_device *dev) nv_rd32(dev, 0x400384), nv_rd32(dev, 0x400388)); } - nv50_vm_flush(dev, 0); + nv50_vm_flush_engine(dev, 0); nv_mask(dev, 0x400500, 0x00000001, 0x00000001); spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags); diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c index 1e7d50397e4a..4eb2f0835e27 100644 --- a/drivers/gpu/drm/nouveau/nv50_instmem.c +++ b/drivers/gpu/drm/nouveau/nv50_instmem.c @@ -27,7 +27,9 @@ #include "drmP.h" #include "drm.h" + #include "nouveau_drv.h" +#include "nouveau_vm.h" struct nv50_instmem_priv { uint32_t save1700[5]; /* 0x1700->0x1710 */ @@ -404,7 +406,7 @@ nv50_instmem_map(struct nouveau_gpuobj *gpuobj) } dev_priv->engine.instmem.flush(dev); - nv50_vm_flush(dev, 6); + nv50_vm_flush_engine(dev, 6); node->ramin = ramin; gpuobj->pinst = ramin->start; @@ -454,11 +456,3 @@ nv84_instmem_flush(struct drm_device *dev) NV_ERROR(dev, "PRAMIN flush timeout\n"); } -void -nv50_vm_flush(struct drm_device *dev, int engine) -{ - nv_wr32(dev, 0x100c80, (engine << 16) | 1); - if (!nv_wait(dev, 0x100c80, 0x00000001, 0x00000000)) - NV_ERROR(dev, "vm flush timeout: engine %d\n", engine); -} - diff --git a/drivers/gpu/drm/nouveau/nv50_vm.c b/drivers/gpu/drm/nouveau/nv50_vm.c new file mode 100644 index 000000000000..ab6c3d0ce32e --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv50_vm.c @@ -0,0 +1,164 @@ +/* + * Copyright 2010 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. + * + * Authors: Ben Skeggs + */ + +#include "drmP.h" + +#include "nouveau_drv.h" +#include "nouveau_vm.h" + +void +nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 type, u32 pde, + struct nouveau_gpuobj *pgt) +{ + struct drm_nouveau_private *dev_priv = pgd->dev->dev_private; + u32 coverage = (pgt->size >> 3) << type; + u64 phys; + + phys = pgt->vinst; + phys |= 0x01; /* present */ + phys |= (type == 12) ? 0x02 : 0x00; /* 4KiB pages */ + if (dev_priv->vram_sys_base) { + phys += dev_priv->vram_sys_base; + phys |= 0x30; + } + + if (coverage <= 32 * 1024 * 1024) + phys |= 0x60; + else if (coverage <= 64 * 1024 * 1024) + phys |= 0x40; + else if (coverage < 128 * 1024 * 1024) + phys |= 0x20; + + nv_wo32(pgd, (pde * 8) + 0, lower_32_bits(phys)); + nv_wo32(pgd, (pde * 8) + 4, upper_32_bits(phys)); +} + +void +nv50_vm_unmap_pgt(struct nouveau_gpuobj *pgd, u32 pde) +{ + nv_wo32(pgd, (pde * 8) + 0, 0x00000000); + nv_wo32(pgd, (pde * 8) + 4, 0xdeadcafe); +} + +static inline u64 +nv50_vm_addr(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt, + u64 phys, u32 memtype, u32 target) +{ + struct drm_nouveau_private *dev_priv = pgt->dev->dev_private; + + phys |= 1; /* present */ + phys |= (u64)memtype << 40; + + /* IGPs don't have real VRAM, re-target to stolen system memory */ + if (target == 0 && dev_priv->vram_sys_base) { + phys += dev_priv->vram_sys_base; + target = 3; + } + + phys |= target << 4; + + if (vma->access & NV_MEM_ACCESS_SYS) + phys |= (1 << 6); + + if (!(vma->access & NV_MEM_ACCESS_WO)) + phys |= (1 << 3); + + return phys; +} + +void +nv50_vm_map(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt, + struct nouveau_vram *mem, u32 pte, u32 cnt, u64 phys) +{ + u32 block, i; + + phys = nv50_vm_addr(vma, pgt, phys, mem->memtype, 0); + pte <<= 3; + cnt <<= 3; + + while (cnt) { + u32 offset_h = upper_32_bits(phys); + u32 offset_l = lower_32_bits(phys); + + for (i = 7; i >= 0; i--) { + block = 1 << (i + 3); + if (cnt >= block && !(pte & (block - 1))) + break; + } + offset_l |= (i << 7); + + phys += block << (vma->node->type - 3); + cnt -= block; + + while (block) { + nv_wo32(pgt, pte + 0, offset_l); + nv_wo32(pgt, pte + 4, offset_h); + pte += 8; + block -= 8; + } + } +} + +void +nv50_vm_map_sg(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt, + u32 pte, dma_addr_t *list, u32 cnt) +{ + pte <<= 3; + while (cnt--) { + u64 phys = nv50_vm_addr(vma, pgt, (u64)*list++, 0, 2); + nv_wo32(pgt, pte + 0, lower_32_bits(phys)); + nv_wo32(pgt, pte + 4, upper_32_bits(phys)); + pte += 8; + } +} + +void +nv50_vm_unmap(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt) +{ + pte <<= 3; + while (cnt--) { + nv_wo32(pgt, pte + 0, 0x00000000); + nv_wo32(pgt, pte + 4, 0x00000000); + pte += 8; + } +} + +void +nv50_vm_flush(struct nouveau_vm *vm) +{ + struct drm_nouveau_private *dev_priv = vm->dev->dev_private; + struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem; + + pinstmem->flush(vm->dev); + + nv50_vm_flush_engine(vm->dev, 6); +} + +void +nv50_vm_flush_engine(struct drm_device *dev, int engine) +{ + nv_wr32(dev, 0x100c80, (engine << 16) | 1); + if (!nv_wait(dev, 0x100c80, 0x00000001, 0x00000000)) + NV_ERROR(dev, "vm flush timeout: engine %d\n", engine); +} diff --git a/drivers/gpu/drm/nouveau/nv84_crypt.c b/drivers/gpu/drm/nouveau/nv84_crypt.c index 780bb1d66f95..a333e5905346 100644 --- a/drivers/gpu/drm/nouveau/nv84_crypt.c +++ b/drivers/gpu/drm/nouveau/nv84_crypt.c @@ -25,6 +25,7 @@ #include "drmP.h" #include "nouveau_drv.h" #include "nouveau_util.h" +#include "nouveau_vm.h" static void nv84_crypt_isr(struct drm_device *); @@ -84,7 +85,7 @@ nv84_crypt_destroy_context(struct nouveau_channel *chan) void nv84_crypt_tlb_flush(struct drm_device *dev) { - nv50_vm_flush(dev, 0x0a); + nv50_vm_flush_engine(dev, 0x0a); } int -- GitLab