/*
* Copyright 2012 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 < bskeggs @ redhat . com >
*/
#include "nouveau_drv.h"
#include "nouveau_dma.h"
#include "nv10_fence.h"
#include <nvif/push006c.h>
#include <nvhw/class /cl006e.h>
int
nv10_fence_emit(struct nouveau_fence *fence)
{
struct nvif_push *push = &fence->channel->chan.push;
int ret = PUSH_WAIT(push, 2 );
if (ret == 0 ) {
PUSH_MTHD(push, NV06E, SET_REFERENCE, fence->base.seqno);
PUSH_KICK(push);
}
return ret;
}
static int
nv10_fence_sync(struct nouveau_fence *fence,
struct nouveau_channel *prev, struct nouveau_channel *chan)
{
return -ENODEV;
}
u32
nv10_fence_read(struct nouveau_channel *chan)
{
return NVIF_RD32(&chan->user, NV06E, REFERENCE);
}
void
nv10_fence_context_del(struct nouveau_channel *chan)
{
struct nv10_fence_chan *fctx = chan->fence;
nouveau_fence_context_del(&fctx->base);
nvif_object_dtor(&fctx->sema);
chan->fence = NULL;
nouveau_fence_context_free(&fctx->base);
}
static int
nv10_fence_context_new(struct nouveau_channel *chan)
{
struct nv10_fence_chan *fctx;
fctx = chan->fence = kzalloc(sizeof (*fctx), GFP_KERNEL);
if (!fctx)
return -ENOMEM;
nouveau_fence_context_new(chan, &fctx->base);
fctx->base.emit = nv10_fence_emit;
fctx->base.read = nv10_fence_read;
fctx->base.sync = nv10_fence_sync;
return 0 ;
}
void
nv10_fence_destroy(struct nouveau_drm *drm)
{
struct nv10_fence_priv *priv = drm->fence;
nouveau_bo_unpin_del(&priv->bo);
drm->fence = NULL;
kfree(priv);
}
int
nv10_fence_create(struct nouveau_drm *drm)
{
struct nv10_fence_priv *priv;
priv = drm->fence = kzalloc(sizeof (*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->base.dtor = nv10_fence_destroy;
priv->base.context_new = nv10_fence_context_new;
priv->base.context_del = nv10_fence_context_del;
spin_lock_init(&priv->lock);
return 0 ;
}
Messung V0.5 in Prozent C=100 H=100 G=100
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-02)
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