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Diffstat (limited to 'libdrm/nouveau/nouveau_fence.c')
-rw-r--r--libdrm/nouveau/nouveau_fence.c243
1 files changed, 0 insertions, 243 deletions
diff --git a/libdrm/nouveau/nouveau_fence.c b/libdrm/nouveau/nouveau_fence.c
deleted file mode 100644
index 33466160..00000000
--- a/libdrm/nouveau/nouveau_fence.c
+++ /dev/null
@@ -1,243 +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"
-#include "nouveau_dma.h"
-
-static void
-nouveau_fence_del_unsignalled(struct nouveau_fence *fence)
-{
- struct nouveau_channel_priv *nvchan = nouveau_channel(fence->channel);
- struct nouveau_fence *le;
-
- if (nvchan->fence_head == fence) {
- nvchan->fence_head = nouveau_fence(fence)->next;
- if (nvchan->fence_head == NULL)
- nvchan->fence_tail = NULL;
- return;
- }
-
- le = nvchan->fence_head;
- while (le && nouveau_fence(le)->next != fence)
- le = nouveau_fence(le)->next;
- assert(le && nouveau_fence(le)->next == fence);
- nouveau_fence(le)->next = nouveau_fence(fence)->next;
- if (nvchan->fence_tail == fence)
- nvchan->fence_tail = le;
-}
-
-static void
-nouveau_fence_del(struct nouveau_fence **fence)
-{
- struct nouveau_fence_priv *nvfence;
-
- if (!fence || !*fence)
- return;
- nvfence = nouveau_fence(*fence);
- *fence = NULL;
-
- if (--nvfence->refcount)
- return;
-
- if (nvfence->emitted && !nvfence->signalled) {
- if (nvfence->signal_cb) {
- nvfence->refcount++;
- nouveau_fence_wait((void *)&nvfence);
- return;
- }
-
- nouveau_fence_del_unsignalled(&nvfence->base);
- }
- free(nvfence);
-}
-
-int
-nouveau_fence_new(struct nouveau_channel *chan, struct nouveau_fence **fence)
-{
- struct nouveau_fence_priv *nvfence;
-
- if (!chan || !fence || *fence)
- return -EINVAL;
-
- nvfence = calloc(1, sizeof(struct nouveau_fence_priv));
- if (!nvfence)
- return -ENOMEM;
- nvfence->base.channel = chan;
- nvfence->refcount = 1;
-
- *fence = &nvfence->base;
- return 0;
-}
-
-int
-nouveau_fence_ref(struct nouveau_fence *ref, struct nouveau_fence **fence)
-{
- if (!fence)
- return -EINVAL;
-
- if (ref)
- nouveau_fence(ref)->refcount++;
-
- if (*fence)
- nouveau_fence_del(fence);
-
- *fence = ref;
- return 0;
-}
-
-int
-nouveau_fence_signal_cb(struct nouveau_fence *fence, void (*func)(void *),
- void *priv)
-{
- struct nouveau_fence_priv *nvfence = nouveau_fence(fence);
- struct nouveau_fence_cb *cb;
-
- if (!nvfence || !func)
- return -EINVAL;
-
- cb = malloc(sizeof(struct nouveau_fence_cb));
- if (!cb)
- return -ENOMEM;
-
- cb->func = func;
- cb->priv = priv;
- cb->next = nvfence->signal_cb;
- nvfence->signal_cb = cb;
- return 0;
-}
-
-void
-nouveau_fence_emit(struct nouveau_fence *fence)
-{
- struct nouveau_channel_priv *nvchan = nouveau_channel(fence->channel);
- struct nouveau_fence_priv *nvfence = nouveau_fence(fence);
-
- nvfence->emitted = 1;
- nvfence->sequence = ++nvchan->fence_sequence;
- if (nvfence->sequence == 0xffffffff)
- printf("AII wrap unhandled\n");
-
- if (!nvchan->fence_ntfy) {
- /*XXX: assumes subc 0 is populated */
- nouveau_dma_space(fence->channel, 2);
- nouveau_dma_out (fence->channel, 0x00040050);
- nouveau_dma_out (fence->channel, nvfence->sequence);
- }
- nouveau_dma_kickoff(fence->channel);
-
- if (nvchan->fence_tail) {
- nouveau_fence(nvchan->fence_tail)->next = fence;
- } else {
- nvchan->fence_head = fence;
- }
- nvchan->fence_tail = fence;
-}
-
-static void
-nouveau_fence_flush_seq(struct nouveau_channel *chan, uint32_t sequence)
-{
- struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
-
- while (nvchan->fence_head) {
- struct nouveau_fence_priv *nvfence;
-
- nvfence = nouveau_fence(nvchan->fence_head);
- if (nvfence->sequence > sequence)
- break;
- nouveau_fence_del_unsignalled(&nvfence->base);
- nvfence->signalled = 1;
-
- if (nvfence->signal_cb) {
- struct nouveau_fence *fence = NULL;
-
- nouveau_fence_ref(&nvfence->base, &fence);
-
- while (nvfence->signal_cb) {
- struct nouveau_fence_cb *cb;
-
- cb = nvfence->signal_cb;
- nvfence->signal_cb = cb->next;
- cb->func(cb->priv);
- free(cb);
- }
-
- nouveau_fence_ref(NULL, &fence);
- }
- }
-}
-
-void
-nouveau_fence_flush(struct nouveau_channel *chan)
-{
- struct nouveau_channel_priv *nvchan = nouveau_channel(chan);
-
- if (!nvchan->fence_ntfy)
- nouveau_fence_flush_seq(chan, *nvchan->ref_cnt);
-}
-
-int
-nouveau_fence_wait(struct nouveau_fence **fence)
-{
- struct nouveau_fence_priv *nvfence;
- struct nouveau_channel_priv *nvchan;
-
- if (!fence)
- return -EINVAL;
-
- nvfence = nouveau_fence(*fence);
- if (!nvfence)
- return 0;
- nvchan = nouveau_channel(nvfence->base.channel);
-
- if (nvfence->emitted) {
- if (!nvfence->signalled && nvchan->fence_ntfy) {
- struct nouveau_channel *chan = &nvchan->base;
- int ret;
-
- /*XXX: NV04/NV05: Full sync + flush all fences */
- nouveau_notifier_reset(nvchan->fence_ntfy, 0);
- BEGIN_RING(chan, nvchan->fence_grobj, 0x0104, 1);
- OUT_RING (chan, 0);
- BEGIN_RING(chan, nvchan->fence_grobj, 0x0100, 1);
- OUT_RING (chan, 0);
- FIRE_RING (chan);
- ret = nouveau_notifier_wait_status(nvchan->fence_ntfy,
- 0, 0, 2.0);
- if (ret)
- return ret;
-
- nouveau_fence_flush_seq(chan, nvchan->fence_sequence);
- }
-
- while (!nvfence->signalled)
- nouveau_fence_flush(nvfence->base.channel);
- }
-
- nouveau_fence_ref(NULL, fence);
- return 0;
-}
-
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