diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvc0_vram.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvc0_vram.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_vram.c b/drivers/gpu/drm/nouveau/nvc0_vram.c deleted file mode 100644 index a7eef8934c07..000000000000 --- a/drivers/gpu/drm/nouveau/nvc0_vram.c +++ /dev/null @@ -1,160 +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_mm.h" - -/* 0 = unsupported - * 1 = non-compressed - * 3 = compressed - */ -static const u8 types[256] = { - 1, 1, 3, 3, 3, 3, 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, - 0, 1, 0, 0, 0, 0, 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, - 3, 3, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 0, 1, 1, 1, 1, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 3, 3, 3, 3, 1, 1, 1, 1, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, - 3, 3, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, - 3, 3, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 0, 3, 0, 3, - 3, 0, 3, 3, 3, 3, 3, 0, 0, 3, 0, 3, 0, 3, 3, 0, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 1, 1, 0 -}; - -bool -nvc0_vram_flags_valid(struct drm_device *dev, u32 tile_flags) -{ - u8 memtype = (tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK) >> 8; - return likely((types[memtype] == 1)); -} - -int -nvc0_vram_new(struct drm_device *dev, u64 size, u32 align, u32 ncmin, - u32 type, struct nouveau_mem **pmem) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_mm *mm = &dev_priv->engine.vram.mm; - struct nouveau_mm_node *r; - struct nouveau_mem *mem; - int ret; - - size >>= 12; - align >>= 12; - ncmin >>= 12; - - mem = kzalloc(sizeof(*mem), GFP_KERNEL); - if (!mem) - return -ENOMEM; - - INIT_LIST_HEAD(&mem->regions); - mem->dev = dev_priv->dev; - mem->memtype = (type & 0xff); - mem->size = size; - - mutex_lock(&mm->mutex); - do { - ret = nouveau_mm_get(mm, 1, size, ncmin, align, &r); - if (ret) { - mutex_unlock(&mm->mutex); - nv50_vram_del(dev, &mem); - return ret; - } - - list_add_tail(&r->rl_entry, &mem->regions); - size -= r->length; - } while (size); - mutex_unlock(&mm->mutex); - - r = list_first_entry(&mem->regions, struct nouveau_mm_node, rl_entry); - mem->offset = (u64)r->offset << 12; - *pmem = mem; - return 0; -} - -int -nvc0_vram_init(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_vram_engine *vram = &dev_priv->engine.vram; - const u32 rsvd_head = ( 256 * 1024) >> 12; /* vga memory */ - const u32 rsvd_tail = (1024 * 1024) >> 12; /* vbios etc */ - u32 parts = nv_rd32(dev, 0x022438); - u32 pmask = nv_rd32(dev, 0x022554); - u32 bsize = nv_rd32(dev, 0x10f20c); - u32 offset, length; - bool uniform = true; - int ret, part; - - NV_DEBUG(dev, "0x100800: 0x%08x\n", nv_rd32(dev, 0x100800)); - NV_DEBUG(dev, "parts 0x%08x mask 0x%08x\n", parts, pmask); - - dev_priv->vram_type = nouveau_mem_vbios_type(dev); - dev_priv->vram_rank_B = !!(nv_rd32(dev, 0x10f200) & 0x00000004); - - /* read amount of vram attached to each memory controller */ - for (part = 0; part < parts; part++) { - if (!(pmask & (1 << part))) { - u32 psize = nv_rd32(dev, 0x11020c + (part * 0x1000)); - if (psize != bsize) { - if (psize < bsize) - bsize = psize; - uniform = false; - } - - NV_DEBUG(dev, "%d: mem_amount 0x%08x\n", part, psize); - dev_priv->vram_size += (u64)psize << 20; - } - } - - /* if all controllers have the same amount attached, there's no holes */ - if (uniform) { - offset = rsvd_head; - length = (dev_priv->vram_size >> 12) - rsvd_head - rsvd_tail; - return nouveau_mm_init(&vram->mm, offset, length, 1); - } - - /* otherwise, address lowest common amount from 0GiB */ - ret = nouveau_mm_init(&vram->mm, rsvd_head, (bsize << 8) * parts, 1); - if (ret) - return ret; - - /* and the rest starting from (8GiB + common_size) */ - offset = (0x0200000000ULL >> 12) + (bsize << 8); - length = (dev_priv->vram_size >> 12) - (bsize << 8) - rsvd_tail; - - ret = nouveau_mm_init(&vram->mm, offset, length, 0); - if (ret) { - nouveau_mm_fini(&vram->mm); - return ret; - } - - return 0; -} |