/*
* 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 <nvif/os.h>
#include <nvif/class .h>
#include <nvif/cl0002.h>
#include "nouveau_drv.h"
#include "nouveau_dma.h"
#include "nv10_fence.h"
#include "nv50_display.h"
static int
nv50_fence_context_new(struct nouveau_channel *chan)
{
struct nv10_fence_priv *priv = chan->cli->drm->fence;
struct nv10_fence_chan *fctx;
struct ttm_resource *reg = priv->bo->bo.resource;
u32 start = reg->start * PAGE_SIZE;
u32 limit = start + priv->bo->bo.base.size - 1 ;
int ret;
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 = nv17_fence_sync;
ret = nvif_object_ctor(&chan->user, "fenceCtxDma" , NvSema,
NV_DMA_IN_MEMORY,
&(struct nv_dma_v0) {
.target = NV_DMA_V0_TARGET_VRAM,
.access = NV_DMA_V0_ACCESS_RDWR,
.start = start,
.limit = limit,
}, sizeof (struct nv_dma_v0),
&fctx->sema);
if (ret)
nv10_fence_context_del(chan);
return ret;
}
int
nv50_fence_create(struct nouveau_drm *drm)
{
struct nv10_fence_priv *priv;
int ret = 0 ;
priv = drm->fence = kzalloc(sizeof (*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->base.dtor = nv10_fence_destroy;
priv->base.resume = nv17_fence_resume;
priv->base.context_new = nv50_fence_context_new;
priv->base.context_del = nv10_fence_context_del;
spin_lock_init(&priv->lock);
ret = nouveau_bo_new_map(&drm->client, NOUVEAU_GEM_DOMAIN_VRAM, PAGE_SIZE, &priv->bo);
if (ret) {
nv10_fence_destroy(drm);
return ret;
}
nouveau_bo_wr32(priv->bo, 0 x000, 0 x00000000);
return ret;
}
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.42 Sekunden
(vorverarbeitet am 2026-09-29)
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