diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvc0_vm.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvc0_vm.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_vm.c b/drivers/gpu/drm/nouveau/nvc0_vm.c deleted file mode 100644 index 9e352944a35..00000000000 --- a/drivers/gpu/drm/nouveau/nvc0_vm.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * 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 -nvc0_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 index, - struct nouveau_gpuobj *pgt[2]) -{ - u32 pde[2] = { 0, 0 }; - - if (pgt[0]) - pde[1] = 0x00000001 | (pgt[0]->vinst >> 8); - if (pgt[1]) - pde[0] = 0x00000001 | (pgt[1]->vinst >> 8); - - nv_wo32(pgd, (index * 8) + 0, pde[0]); - nv_wo32(pgd, (index * 8) + 4, pde[1]); -} - -static inline u64 -nvc0_vm_addr(struct nouveau_vma *vma, u64 phys, u32 memtype, u32 target) -{ - phys >>= 8; - - phys |= 0x00000001; /* present */ - if (vma->access & NV_MEM_ACCESS_SYS) - phys |= 0x00000002; - - phys |= ((u64)target << 32); - phys |= ((u64)memtype << 36); - - return phys; -} - -void -nvc0_vm_map(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt, - struct nouveau_mem *mem, u32 pte, u32 cnt, u64 phys, u64 delta) -{ - u32 next = 1 << (vma->node->type - 8); - - phys = nvc0_vm_addr(vma, phys, mem->memtype, 0); - pte <<= 3; - while (cnt--) { - nv_wo32(pgt, pte + 0, lower_32_bits(phys)); - nv_wo32(pgt, pte + 4, upper_32_bits(phys)); - phys += next; - pte += 8; - } -} - -void -nvc0_vm_map_sg(struct nouveau_vma *vma, struct nouveau_gpuobj *pgt, - struct nouveau_mem *mem, u32 pte, u32 cnt, dma_addr_t *list) -{ - pte <<= 3; - while (cnt--) { - u64 phys = nvc0_vm_addr(vma, *list++, mem->memtype, 5); - nv_wo32(pgt, pte + 0, lower_32_bits(phys)); - nv_wo32(pgt, pte + 4, upper_32_bits(phys)); - pte += 8; - } -} - -void -nvc0_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 -nvc0_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; - struct drm_device *dev = vm->dev; - struct nouveau_vm_pgd *vpgd; - unsigned long flags; - u32 engine; - - engine = 1; - if (vm == dev_priv->bar1_vm || vm == dev_priv->bar3_vm) - engine |= 4; - - pinstmem->flush(vm->dev); - - spin_lock_irqsave(&dev_priv->vm_lock, flags); - list_for_each_entry(vpgd, &vm->pgd_list, head) { - /* looks like maybe a "free flush slots" counter, the - * faster you write to 0x100cbc to more it decreases - */ - if (!nv_wait_ne(dev, 0x100c80, 0x00ff0000, 0x00000000)) { - NV_ERROR(dev, "vm timeout 0: 0x%08x %d\n", - nv_rd32(dev, 0x100c80), engine); - } - nv_wr32(dev, 0x100cb8, vpgd->obj->vinst >> 8); - nv_wr32(dev, 0x100cbc, 0x80000000 | engine); - /* wait for flush to be queued? */ - if (!nv_wait(dev, 0x100c80, 0x00008000, 0x00008000)) { - NV_ERROR(dev, "vm timeout 1: 0x%08x %d\n", - nv_rd32(dev, 0x100c80), engine); - } - } - spin_unlock_irqrestore(&dev_priv->vm_lock, flags); -} |