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Diffstat (limited to 'src/gallium/winsys/drm/nouveau/common/nouveau_pushbuf.c')
-rw-r--r--src/gallium/winsys/drm/nouveau/common/nouveau_pushbuf.c270
1 files changed, 0 insertions, 270 deletions
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_pushbuf.c b/src/gallium/winsys/drm/nouveau/common/nouveau_pushbuf.c
deleted file mode 100644
index 7c094eb795..0000000000
--- a/src/gallium/winsys/drm/nouveau/common/nouveau_pushbuf.c
+++ /dev/null
@@ -1,270 +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 <stdlib.h>
-#include <errno.h>
-#include <assert.h>
-#include <util/u_memory.h>
-#include "nouveau_drmif.h"
-#include "nouveau_dma.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;
-
- assert((min + 1) <= nvchan->dma->max);
-
- /* Wait for enough space in push buffer */
- min = min < PB_MIN_USER_DWORDS ? PB_MIN_USER_DWORDS : min;
- min += 1; /* a bit extra for the NOP */
- if (nvchan->dma->free < min)
- WAIT_RING_CH(chan, min);
-
- /* Insert NOP, may turn into a jump later */
- RING_SPACE_CH(chan, 1);
- nvpb->nop_jump = nvchan->dma->cur;
- OUT_RING_CH(chan, 0);
-
- /* Any remaining space is available to the user */
- nvpb->start = nvchan->dma->cur;
- nvpb->size = nvchan->dma->free;
- nvpb->base.channel = chan;
- nvpb->base.remaining = nvpb->size;
- nvpb->base.cur = &nvchan->pushbuf[nvpb->start];
-
- /* Create a new fence object for this "frame" */
- nouveau_fence_ref(NULL, &nvpb->fence);
- nouveau_fence_new(chan, &nvpb->fence);
-
- return 0;
-}
-
-int
-nouveau_pushbuf_init(struct nouveau_channel *chan)
-{
- struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
- struct nouveau_dma_priv *m = &nvchan->dma_master;
- struct nouveau_dma_priv *b = &nvchan->dma_bufmgr;
- int i;
-
- if (!nvchan)
- return -EINVAL;
-
- /* Reassign last bit of push buffer for a "separate" bufmgr
- * ring buffer
- */
- m->max -= PB_BUFMGR_DWORDS;
- m->free -= PB_BUFMGR_DWORDS;
-
- b->base = m->base + ((m->max + 2) << 2);
- b->max = PB_BUFMGR_DWORDS - 2;
- b->cur = b->put = 0;
- b->free = b->max - b->cur;
-
- /* Some NOPs just to be safe
- *XXX: RING_SKIPS
- */
- nvchan->dma = b;
- RING_SPACE_CH(chan, 8);
- for (i = 0; i < 8; i++)
- OUT_RING_CH(chan, 0);
- nvchan->dma = m;
-
- nouveau_pushbuf_space(chan, 0);
- chan->pushbuf = &nvchan->pb.base;
-
- nvchan->pb.buffers = CALLOC(NOUVEAU_PUSHBUF_MAX_BUFFERS,
- sizeof(struct nouveau_pushbuf_bo));
- nvchan->pb.relocs = CALLOC(NOUVEAU_PUSHBUF_MAX_RELOCS,
- sizeof(struct nouveau_pushbuf_reloc));
- return 0;
-}
-
-static uint32_t
-nouveau_pushbuf_calc_reloc(struct nouveau_bo *bo,
- struct nouveau_pushbuf_reloc *r)
-{
- uint32_t push;
-
- if (r->flags & NOUVEAU_BO_LOW) {
- push = bo->offset + r->data;
- } else
- if (r->flags & NOUVEAU_BO_HIGH) {
- push = (bo->offset + r->data) >> 32;
- } else {
- push = r->data;
- }
-
- if (r->flags & NOUVEAU_BO_OR) {
- if (bo->flags & NOUVEAU_BO_VRAM)
- push |= r->vor;
- else
- push |= r->tor;
- }
-
- return push;
-}
-
-/* This would be our TTM "superioctl" */
-int
-nouveau_pushbuf_flush(struct nouveau_channel *chan, unsigned min)
-{
- struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
- struct nouveau_pushbuf_priv *nvpb = &nvchan->pb;
- int ret, i;
-
- if (nvpb->base.remaining == nvpb->size)
- return 0;
-
- nouveau_fence_flush(chan);
-
- nvpb->size -= nvpb->base.remaining;
- nvchan->dma->cur += nvpb->size;
- nvchan->dma->free -= nvpb->size;
- assert(nvchan->dma->cur <= nvchan->dma->max);
-
- nvchan->dma = &nvchan->dma_bufmgr;
- nvchan->pushbuf[nvpb->nop_jump] = 0x20000000 |
- (nvchan->dma->base + (nvchan->dma->cur << 2));
-
- /* Validate buffers + apply relocations */
- nvchan->user_charge = 0;
- for (i = 0; i < nvpb->nr_relocs; i++) {
- struct nouveau_pushbuf_reloc *r = &nvpb->relocs[i];
- struct nouveau_pushbuf_bo *pbbo = r->pbbo;
- struct nouveau_bo *bo = pbbo->bo;
-
- /* Validated, mem matches presumed, no relocation necessary */
- if (pbbo->handled & 2) {
- if (!(pbbo->handled & 1))
- assert(0);
- continue;
- }
-
- /* Not yet validated, do it now */
- if (!(pbbo->handled & 1)) {
- ret = nouveau_bo_validate(chan, bo, pbbo->flags);
- if (ret) {
- assert(0);
- return ret;
- }
- pbbo->handled |= 1;
-
- if (bo->offset == nouveau_bo(bo)->offset &&
- bo->flags == nouveau_bo(bo)->flags) {
- pbbo->handled |= 2;
- continue;
- }
- bo->offset = nouveau_bo(bo)->offset;
- bo->flags = nouveau_bo(bo)->flags;
- }
-
- /* Apply the relocation */
- *r->ptr = nouveau_pushbuf_calc_reloc(bo, r);
- }
- nvpb->nr_relocs = 0;
-
- /* Dereference all buffers on validate list */
- for (i = 0; i < nvpb->nr_buffers; i++) {
- struct nouveau_pushbuf_bo *pbbo = &nvpb->buffers[i];
-
- nouveau_bo(pbbo->bo)->pending = NULL;
- nouveau_bo_del(&pbbo->bo);
- }
- nvpb->nr_buffers = 0;
-
- /* Switch back to user's ring */
- RING_SPACE_CH(chan, 1);
- OUT_RING_CH(chan, 0x20000000 | ((nvpb->start << 2) +
- nvchan->dma_master.base));
- nvchan->dma = &nvchan->dma_master;
-
- /* Fence + kickoff */
- nouveau_fence_emit(nvpb->fence);
- FIRE_RING_CH(chan);
-
- /* Allocate space for next push buffer */
- ret = nouveau_pushbuf_space(chan, min);
- assert(!ret);
-
- return 0;
-}
-
-static struct nouveau_pushbuf_bo *
-nouveau_pushbuf_emit_buffer(struct nouveau_channel *chan, struct nouveau_bo *bo)
-{
- struct nouveau_pushbuf_priv *nvpb = nouveau_pushbuf(chan->pushbuf);
- struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
- struct nouveau_pushbuf_bo *pbbo;
-
- if (nvbo->pending)
- return nvbo->pending;
-
- if (nvpb->nr_buffers >= NOUVEAU_PUSHBUF_MAX_BUFFERS)
- return NULL;
- pbbo = nvpb->buffers + nvpb->nr_buffers++;
- nvbo->pending = pbbo;
-
- nouveau_bo_ref(bo->device, bo->handle, &pbbo->bo);
- pbbo->channel = chan;
- pbbo->flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART;
- pbbo->handled = 0;
- return pbbo;
-}
-
-int
-nouveau_pushbuf_emit_reloc(struct nouveau_channel *chan, void *ptr,
- struct nouveau_bo *bo, uint32_t data, uint32_t flags,
- uint32_t vor, uint32_t tor)
-{
- struct nouveau_pushbuf_priv *nvpb = nouveau_pushbuf(chan->pushbuf);
- struct nouveau_pushbuf_bo *pbbo;
- struct nouveau_pushbuf_reloc *r;
-
- if (nvpb->nr_relocs >= NOUVEAU_PUSHBUF_MAX_RELOCS)
- return -ENOMEM;
-
- pbbo = nouveau_pushbuf_emit_buffer(chan, bo);
- if (!pbbo)
- return -ENOMEM;
- pbbo->flags |= (flags & NOUVEAU_BO_RDWR);
- pbbo->flags &= (flags | NOUVEAU_BO_RDWR);
-
- r = nvpb->relocs + nvpb->nr_relocs++;
- r->pbbo = pbbo;
- r->ptr = ptr;
- r->flags = flags;
- r->data = data;
- r->vor = vor;
- r->tor = tor;
-
- if (flags & NOUVEAU_BO_DUMMY)
- *(uint32_t *)ptr = 0;
- else
- *(uint32_t *)ptr = nouveau_pushbuf_calc_reloc(bo, r);
- return 0;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-26 16:40:37 +0000