/*
* 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
*/
#include "nv50.h"
#include <core/gpuobj.h>
#include <engine/disp.h>
#include <engine/fifo/chan.h>
#include <subdev/bar.h>
#include <nvif/class .h>
#include <nvif/event.h>
/*******************************************************************************
* software context
******************************************************************************/
static int
nv50_sw_chan_vblsem_release(struct nvkm_event_ntfy *notify, u32 bits)
{
struct nv50_sw_chan *chan =
container_of(notify, typeof(*chan), vblank.notify[notify->id]);
struct nvkm_sw *sw = chan->base.sw;
struct nvkm_device *device = sw->engine.subdev.device;
nvkm_wr32(device, 0 x001704, chan->base.fifo->inst->addr >> 12 );
nvkm_wr32(device, 0 x001710, 0 x80000000 | chan->vblank.ctxdma);
nvkm_bar_flush(device->bar);
if (device->chipset == 0 x50) {
nvkm_wr32(device, 0 x001570, chan->vblank.offset);
nvkm_wr32(device, 0 x001574, chan->vblank.value);
} else {
nvkm_wr32(device, 0 x060010, chan->vblank.offset);
nvkm_wr32(device, 0 x060014, chan->vblank.value);
}
return NVKM_EVENT_DROP;
}
static bool
nv50_sw_chan_mthd(struct nvkm_sw_chan *base, int subc, u32 mthd, u32 data)
{
struct nv50_sw_chan *chan = nv50_sw_chan(base);
struct nvkm_engine *engine = chan->base.object.engine;
struct nvkm_device *device = engine->subdev.device;
switch (mthd) {
case 0 x018c: chan->vblank.ctxdma = data; return true ;
case 0 x0400: chan->vblank.offset = data; return true ;
case 0 x0404: chan->vblank.value = data; return true ;
case 0 x0408:
if (data < device->disp->vblank.index_nr) {
nvkm_event_ntfy_allow(&chan->vblank.notify[data]);
return true ;
}
break ;
default :
break ;
}
return false ;
}
void *
nv50_sw_chan_dtor(struct nvkm_sw_chan *base)
{
struct nv50_sw_chan *chan = nv50_sw_chan(base);
int i;
for (i = 0 ; i < ARRAY_SIZE(chan->vblank.notify); i++)
nvkm_event_ntfy_del(&chan->vblank.notify[i]);
return chan;
}
static const struct nvkm_sw_chan_func
nv50_sw_chan = {
.dtor = nv50_sw_chan_dtor,
.mthd = nv50_sw_chan_mthd,
};
static int
nv50_sw_chan_new(struct nvkm_sw *sw, struct nvkm_chan *fifoch,
const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
{
struct nvkm_disp *disp = sw->engine.subdev.device->disp;
struct nv50_sw_chan *chan;
int ret, i;
if (!(chan = kzalloc(sizeof (*chan), GFP_KERNEL)))
return -ENOMEM;
*pobject = &chan->base.object;
ret = nvkm_sw_chan_ctor(&nv50_sw_chan, sw, fifoch, oclass, &chan->base);
if (ret)
return ret;
for (i = 0 ; disp && i < disp->vblank.index_nr; i++) {
nvkm_event_ntfy_add(&disp->vblank, i, NVKM_DISP_HEAD_EVENT_VBLANK, true ,
nv50_sw_chan_vblsem_release, &chan->vblank.notify[i]);
}
return 0 ;
}
/*******************************************************************************
* software engine / subdev functions
******************************************************************************/
static const struct nvkm_sw_func
nv50_sw = {
.chan_new = nv50_sw_chan_new,
.sclass = {
{ nvkm_nvsw_new, { -1 , -1 , NVIF_CLASS_SW_NV50 } },
{}
}
};
int
nv50_sw_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_sw **psw)
{
return nvkm_sw_new_(&nv50_sw, device, type, inst, psw);
}
Messung V0.5 in Prozent C=98 H=95 G=96
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-06)
¤
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