diff options
Diffstat (limited to 'nouveau/nouveau_pushbuf.c')
| -rw-r--r-- | nouveau/nouveau_pushbuf.c | 344 |
1 files changed, 0 insertions, 344 deletions
diff --git a/nouveau/nouveau_pushbuf.c b/nouveau/nouveau_pushbuf.c deleted file mode 100644 index 59f60d9f0..000000000 --- a/nouveau/nouveau_pushbuf.c +++ /dev/null @@ -1,344 +0,0 @@ -/* - * Copyright 2007 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" - -#define PB_BUFMGR_DWORDS (4096 / 2) -#define PB_MIN_USER_DWORDS 2048 - -static int -nouveau_pushbuf_space(struct nouveau_channel *chan, unsigned min) -{ - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_pushbuf_priv *nvpb = &nvchan->pb; - struct nouveau_bo *bo; - int ret; - - if (min < PB_MIN_USER_DWORDS) - min = PB_MIN_USER_DWORDS; - - nvpb->current_offset = chan->cur - nvpb->pushbuf; - if (chan->cur + min + 2 <= chan->end) - return 0; - - nvpb->current++; - if (nvpb->current == CALPB_BUFFERS) - nvpb->current = 0; - bo = nvpb->buffer[nvpb->current]; - - ret = nouveau_bo_map(bo, NOUVEAU_BO_WR); - if (ret) - return ret; - - nvpb->size = (bo->size - 8) / 4; - nvpb->pushbuf = bo->map; - nvpb->current_offset = 0; - - chan->cur = nvpb->pushbuf; - chan->end = nvpb->pushbuf + nvpb->size; - - nouveau_bo_unmap(bo); - return 0; -} - -static void -nouveau_pushbuf_fini_call(struct nouveau_channel *chan) -{ - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_pushbuf_priv *nvpb = &nvchan->pb; - int i; - - for (i = 0; i < CALPB_BUFFERS; i++) - nouveau_bo_ref(NULL, &nvpb->buffer[i]); - nvpb->pushbuf = NULL; -} - -static int -nouveau_pushbuf_init_call(struct nouveau_channel *chan, int buf_size) -{ - struct drm_nouveau_gem_pushbuf req; - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_pushbuf_priv *nvpb = &nvchan->pb; - struct nouveau_device *dev = chan->device; - uint32_t flags = 0; - int i, ret; - - if (nvchan->drm.pushbuf_domains & NOUVEAU_GEM_DOMAIN_GART) - flags |= NOUVEAU_BO_GART; - else - flags |= NOUVEAU_BO_VRAM; - - req.channel = chan->id; - req.nr_push = 0; - ret = drmCommandWriteRead(nouveau_device(dev)->fd, - DRM_NOUVEAU_GEM_PUSHBUF, &req, sizeof(req)); - if (ret) - return ret; - - for (i = 0; i < CALPB_BUFFERS; i++) { - ret = nouveau_bo_new(dev, flags | NOUVEAU_BO_MAP, - 0, buf_size, &nvpb->buffer[i]); - if (ret) { - nouveau_pushbuf_fini_call(chan); - return ret; - } - } - - nvpb->cal_suffix0 = req.suffix0; - nvpb->cal_suffix1 = req.suffix1; - return 0; -} - -int -nouveau_pushbuf_init(struct nouveau_channel *chan, int buf_size) -{ - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_pushbuf_priv *nvpb = &nvchan->pb; - int ret; - - ret = nouveau_pushbuf_init_call(chan, buf_size); - if (ret) - return ret; - - ret = nouveau_pushbuf_space(chan, 0); - if (ret) - return ret; - - nvpb->buffers = calloc(NOUVEAU_GEM_MAX_BUFFERS, - sizeof(struct drm_nouveau_gem_pushbuf_bo)); - nvpb->relocs = calloc(NOUVEAU_GEM_MAX_RELOCS, - sizeof(struct drm_nouveau_gem_pushbuf_reloc)); - return 0; -} - -void -nouveau_pushbuf_fini(struct nouveau_channel *chan) -{ - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_pushbuf_priv *nvpb = &nvchan->pb; - nouveau_pushbuf_fini_call(chan); - free(nvpb->buffers); - free(nvpb->relocs); -} - -static int -nouveau_pushbuf_bo_add(struct nouveau_channel *chan, struct nouveau_bo *bo, - unsigned offset, unsigned length) -{ - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_pushbuf_priv *nvpb = &nvchan->pb; - struct drm_nouveau_gem_pushbuf_push *p = &nvpb->push[nvpb->nr_push++]; - struct drm_nouveau_gem_pushbuf_bo *pbbo; - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - - pbbo = nouveau_bo_emit_buffer(chan, bo); - if (!pbbo) - return -ENOMEM; - pbbo->valid_domains &= nvchan->drm.pushbuf_domains; - pbbo->read_domains |= nvchan->drm.pushbuf_domains; - nvbo->pending_refcnt++; - - p->bo_index = pbbo - nvpb->buffers; - p->offset = offset; - p->length = length; - return 0; -} - -int -nouveau_pushbuf_submit(struct nouveau_channel *chan, struct nouveau_bo *bo, - unsigned offset, unsigned length) -{ - struct nouveau_pushbuf_priv *nvpb = &nouveau_channel(chan)->pb; - int ret, len; - - if ((AVAIL_RING(chan) + nvpb->current_offset) != nvpb->size) { - if (nvpb->cal_suffix0 || nvpb->cal_suffix1) { - *(chan->cur++) = nvpb->cal_suffix0; - *(chan->cur++) = nvpb->cal_suffix1; - } - - len = (chan->cur - nvpb->pushbuf) - nvpb->current_offset; - - ret = nouveau_pushbuf_bo_add(chan, nvpb->buffer[nvpb->current], - nvpb->current_offset * 4, len * 4); - if (ret) - return ret; - - nvpb->current_offset += len; - } - - return bo ? nouveau_pushbuf_bo_add(chan, bo, offset, length) : 0; -} - -static void -nouveau_pushbuf_bo_unref(struct nouveau_pushbuf_priv *nvpb, int index) -{ - struct drm_nouveau_gem_pushbuf_bo *pbbo = &nvpb->buffers[index]; - struct nouveau_bo *bo = (void *)(unsigned long)pbbo->user_priv; - struct nouveau_bo_priv *nvbo = nouveau_bo(bo); - - if (--nvbo->pending_refcnt) - return; - - if (pbbo->presumed.valid == 0) { - nvbo->domain = pbbo->presumed.domain; - nvbo->offset = pbbo->presumed.offset; - } - - nvbo->pending = NULL; - nouveau_bo_ref(NULL, &bo); - - /* we only ever remove from the tail of the pending lists, - * so this is safe. - */ - nvpb->nr_buffers--; -} - -int -nouveau_pushbuf_flush(struct nouveau_channel *chan, unsigned min) -{ - struct nouveau_device_priv *nvdev = nouveau_device(chan->device); - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_pushbuf_priv *nvpb = &nvchan->pb; - struct drm_nouveau_gem_pushbuf req; - unsigned i; - int ret; - - ret = nouveau_pushbuf_submit(chan, NULL, 0, 0); - if (ret) - return ret; - - if (!nvpb->nr_push) - return 0; - - req.channel = chan->id; - req.nr_push = nvpb->nr_push; - req.push = (uint64_t)(unsigned long)nvpb->push; - req.nr_buffers = nvpb->nr_buffers; - req.buffers = (uint64_t)(unsigned long)nvpb->buffers; - req.nr_relocs = nvpb->nr_relocs; - req.relocs = (uint64_t)(unsigned long)nvpb->relocs; - req.suffix0 = nvpb->cal_suffix0; - req.suffix1 = nvpb->cal_suffix1; - - do { - ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_GEM_PUSHBUF, - &req, sizeof(req)); - } while (ret == -EAGAIN); - nvpb->cal_suffix0 = req.suffix0; - nvpb->cal_suffix1 = req.suffix1; - nvdev->base.vm_vram_size = req.vram_available; - nvdev->base.vm_gart_size = req.gart_available; - - /* Update presumed offset/domain for any buffers that moved. - * Dereference all buffers on validate list - */ - for (i = 0; i < nvpb->nr_relocs; i++) { - nouveau_pushbuf_bo_unref(nvpb, nvpb->relocs[i].bo_index); - nouveau_pushbuf_bo_unref(nvpb, nvpb->relocs[i].reloc_bo_index); - } - - for (i = 0; i < nvpb->nr_push; i++) - nouveau_pushbuf_bo_unref(nvpb, nvpb->push[i].bo_index); - - nvpb->nr_buffers = 0; - nvpb->nr_relocs = 0; - nvpb->nr_push = 0; - - /* Allocate space for next push buffer */ - if (nouveau_pushbuf_space(chan, min)) - assert(0); - - if (chan->flush_notify) - chan->flush_notify(chan); - - nvpb->marker = NULL; - return ret; -} - -int -nouveau_pushbuf_marker_emit(struct nouveau_channel *chan, - unsigned wait_dwords, unsigned wait_relocs) -{ - struct nouveau_pushbuf_priv *nvpb = &nouveau_channel(chan)->pb; - - if (AVAIL_RING(chan) < wait_dwords) - return nouveau_pushbuf_flush(chan, wait_dwords); - - if (nvpb->nr_relocs + wait_relocs >= NOUVEAU_GEM_MAX_RELOCS) - return nouveau_pushbuf_flush(chan, wait_dwords); - - nvpb->marker = chan->cur; - nvpb->marker_offset = nvpb->current_offset; - nvpb->marker_push = nvpb->nr_push; - nvpb->marker_relocs = nvpb->nr_relocs; - return 0; -} - -void -nouveau_pushbuf_marker_undo(struct nouveau_channel *chan) -{ - struct nouveau_pushbuf_priv *nvpb = &nouveau_channel(chan)->pb; - unsigned i; - - if (!nvpb->marker) - return; - - /* undo any relocs/buffers added to the list since last marker */ - for (i = nvpb->marker_relocs; i < nvpb->nr_relocs; i++) { - nouveau_pushbuf_bo_unref(nvpb, nvpb->relocs[i].bo_index); - nouveau_pushbuf_bo_unref(nvpb, nvpb->relocs[i].reloc_bo_index); - } - nvpb->nr_relocs = nvpb->marker_relocs; - - for (i = nvpb->marker_push; i < nvpb->nr_push; i++) - nouveau_pushbuf_bo_unref(nvpb, nvpb->push[i].bo_index); - nvpb->nr_push = nvpb->marker_push; - - /* reset pushbuf back to last marker */ - chan->cur = nvpb->marker; - nvpb->current_offset = nvpb->marker_offset; - nvpb->marker = NULL; -} - -int -nouveau_pushbuf_emit_reloc(struct nouveau_channel *chan, void *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; - int ret; - - ret = nouveau_reloc_emit(chan, nvpb->buffer[nvpb->current], - (char *)ptr - (char *)nvpb->pushbuf, ptr, - bo, data, data2, flags, vor, tor); - if (ret) - return ret; - - return 0; -} - |