diff options
Diffstat (limited to 'nouveau/nouveau_reloc.c')
| -rw-r--r-- | nouveau/nouveau_reloc.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/nouveau/nouveau_reloc.c b/nouveau/nouveau_reloc.c deleted file mode 100644 index cd219db4..00000000 --- a/nouveau/nouveau_reloc.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Copyright 2010 Nouveau Project - * - * 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 AUTHORS 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 <stdio.h> -#include <stdlib.h> -#include <errno.h> -#include <assert.h> - -#include "nouveau_private.h" - -static uint32_t -nouveau_reloc_calc(struct drm_nouveau_gem_pushbuf_bo *pbbo, - struct drm_nouveau_gem_pushbuf_reloc *r) -{ - uint32_t push = 0; - - if (r->flags & NOUVEAU_GEM_RELOC_LOW) - push = (pbbo->presumed.offset + r->data); - else - if (r->flags & NOUVEAU_GEM_RELOC_HIGH) - push = (pbbo->presumed.offset + r->data) >> 32; - else - push = r->data; - - if (r->flags & NOUVEAU_GEM_RELOC_OR) { - if (pbbo->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) - push |= r->vor; - else - push |= r->tor; - } - - return push; -} - -int -nouveau_reloc_emit(struct nouveau_channel *chan, struct nouveau_bo *reloc_bo, - uint32_t reloc_offset, uint32_t *reloc_ptr, - struct nouveau_bo *bo, uint32_t data, uint32_t data2, - uint32_t flags, uint32_t vor, uint32_t tor) -{ - struct nouveau_pushbuf_priv *nvpb = &nouveau_channel(chan)->pb; - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - struct drm_nouveau_gem_pushbuf_reloc *r; - struct drm_nouveau_gem_pushbuf_bo *pbbo, *rpbbo; - uint32_t domains = 0; - - if (nvpb->nr_relocs >= NOUVEAU_GEM_MAX_RELOCS) { - fprintf(stderr, "too many relocs!!\n"); - return -ENOMEM; - } - - if (nvbo->user && (flags & NOUVEAU_BO_WR)) { - fprintf(stderr, "write to user buffer!!\n"); - return -EINVAL; - } - - /* We're about to reloc a user buffer, better make sure we don't cause - * a double migration. - */ - if (!(nvbo->flags & (NOUVEAU_BO_GART | NOUVEAU_BO_VRAM))) - nvbo->flags |= (flags & (NOUVEAU_BO_GART | NOUVEAU_BO_VRAM)); - - /* add buffer to validation list */ - pbbo = nouveau_bo_emit_buffer(chan, bo); - if (!pbbo) { - fprintf(stderr, "buffer emit fail :(\n"); - return -ENOMEM; - } - nouveau_bo(bo)->pending_refcnt++; - - if (flags & (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART)) { - if (flags & NOUVEAU_BO_VRAM) - domains |= NOUVEAU_GEM_DOMAIN_VRAM; - if (flags & NOUVEAU_BO_GART) - domains |= NOUVEAU_GEM_DOMAIN_GART; - } else - domains |= nvbo->domain; - - if (!(pbbo->valid_domains & domains)) { - fprintf(stderr, "no valid domains remain!\n"); - return -EINVAL; - } - pbbo->valid_domains &= domains; - - assert(flags & NOUVEAU_BO_RDWR); - if (flags & NOUVEAU_BO_RD) { - pbbo->read_domains |= domains; - } - if (flags & NOUVEAU_BO_WR) { - pbbo->write_domains |= domains; - nvbo->write_marker = 1; - } - - /* nvc0 gallium driver uses reloc_emit() with NULL target buffer - * to inform bufmgr of a buffer's use - however, we need something - * to track, so create a reloc for now, and hope it never triggers - * (it shouldn't, constant virtual address..).. - */ - if (!reloc_bo) { - reloc_bo = nvpb->buffer[nvpb->current]; - reloc_offset = 0; - reloc_ptr = NULL; - } - - /* add reloc target bo to validation list, and create the reloc */ - rpbbo = nouveau_bo_emit_buffer(chan, reloc_bo); - if (!rpbbo) - return -ENOMEM; - nouveau_bo(reloc_bo)->pending_refcnt++; - - r = nvpb->relocs + nvpb->nr_relocs++; - r->reloc_bo_index = rpbbo - nvpb->buffers; - r->reloc_bo_offset = reloc_offset; - r->bo_index = pbbo - nvpb->buffers; - r->flags = 0; - if (flags & NOUVEAU_BO_LOW) - r->flags |= NOUVEAU_GEM_RELOC_LOW; - if (flags & NOUVEAU_BO_HIGH) - r->flags |= NOUVEAU_GEM_RELOC_HIGH; - if (flags & NOUVEAU_BO_OR) - r->flags |= NOUVEAU_GEM_RELOC_OR; - r->data = data; - r->vor = vor; - r->tor = tor; - - if (reloc_ptr) { - if (flags & NOUVEAU_BO_DUMMY) - *reloc_ptr = 0; - else - *reloc_ptr = nouveau_reloc_calc(pbbo, r); - } - - return 0; -} - |