/*
* Copyright 2015 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 "chan.h"
#include <engine/fifo.h>
#include <nvif/event.h>
#include <nvif/unpack.h>
bool
nvkm_sw_chan_mthd(struct nvkm_sw_chan *chan, int subc, u32 mthd, u32 data)
{
switch (mthd) {
case 0 x0000:
return true ;
case 0 x0500:
nvkm_event_ntfy(&chan->event, 0 , NVKM_SW_CHAN_EVENT_PAGE_FLIP);
return true ;
default :
if (chan->func->mthd)
return chan->func->mthd(chan, subc, mthd, data);
break ;
}
return false ;
}
static const struct nvkm_event_func
nvkm_sw_chan_event = {
};
static void *
nvkm_sw_chan_dtor(struct nvkm_object *object)
{
struct nvkm_sw_chan *chan = nvkm_sw_chan(object);
struct nvkm_sw *sw = chan->sw;
unsigned long flags;
void *data = chan;
if (chan->func->dtor)
data = chan->func->dtor(chan);
nvkm_event_fini(&chan->event);
spin_lock_irqsave(&sw->engine.lock, flags);
list_del(&chan->head);
spin_unlock_irqrestore(&sw->engine.lock, flags);
return data;
}
static const struct nvkm_object_func
nvkm_sw_chan = {
.dtor = nvkm_sw_chan_dtor,
};
int
nvkm_sw_chan_ctor(const struct nvkm_sw_chan_func *func, struct nvkm_sw *sw,
struct nvkm_chan *fifo, const struct nvkm_oclass *oclass,
struct nvkm_sw_chan *chan)
{
unsigned long flags;
nvkm_object_ctor(&nvkm_sw_chan, oclass, &chan->object);
chan->func = func;
chan->sw = sw;
chan->fifo = fifo;
spin_lock_irqsave(&sw->engine.lock, flags);
list_add(&chan->head, &sw->chan);
spin_unlock_irqrestore(&sw->engine.lock, flags);
return nvkm_event_init(&nvkm_sw_chan_event, &sw->engine.subdev, 1 , 1 , &chan->event);
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-10-06)
¤
*© Formatika GbR, Deutschland