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raspberrypi-kernel
提交 1f5ff7f5 编写于 作者: B Ben Skeggs
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drm/nouveau/fifo/gk104: make use of topology info during gpfifo construction 

Signed-off-by: NBen Skeggs <bskeggs@redhat.com>
上级 19f89279
隐藏空白更改
内联 并排
Showing with 127 addition and 64 deletion
drivers/gpu/drm/nouveau/include/nvif/cla06f.h
浏览文件 @ 1f5ff7f5
......@@ -3,19 +3,22 @@
struct kepler_channel_gpfifo_a_v0 {
__u8 version;
#define KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR 0x01
#define KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_MSPDEC 0x02
#define KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_MSPPP 0x04
#define KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_MSVLD 0x08
#define KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE0 0x10
#define KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE1 0x20
#define KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_ENC 0x40
__u8 engine;
__u8 pad01[5];
__u16 chid;
#define NVA06F_V0_ENGINE_SW 0x00000001
#define NVA06F_V0_ENGINE_GR 0x00000002
#define NVA06F_V0_ENGINE_MSVLD 0x00000010
#define NVA06F_V0_ENGINE_MSPDEC 0x00000020
#define NVA06F_V0_ENGINE_MSPPP 0x00000040
#define NVA06F_V0_ENGINE_MSENC 0x00000080
#define NVA06F_V0_ENGINE_CE0 0x00010000
#define NVA06F_V0_ENGINE_CE1 0x00020000
#define NVA06F_V0_ENGINE_CE2 0x00040000
__u32 engines;
__u32 ilength;
__u64 ioffset;
__u64 vm;
};
#define KEPLER_CHANNEL_GPFIFO_A_V0_NTFY_UEVENT 0x00
#define NVA06F_V0_NTFY_UEVENT 0x00
#endif
drivers/gpu/drm/nouveau/nouveau_abi16.c
浏览文件 @ 1f5ff7f5
......@@ -263,13 +263,23 @@ nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
/* hack to allow channel engine type specification on kepler */
if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
if (init->fb_ctxdma_handle != ~0)
init->fb_ctxdma_handle = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR;
else
init->fb_ctxdma_handle = init->tt_ctxdma_handle;
init->fb_ctxdma_handle = NVA06F_V0_ENGINE_GR;
else {
init->fb_ctxdma_handle = 0;
#define _(A,B) if (init->tt_ctxdma_handle & (A)) init->fb_ctxdma_handle |= (B)
_(0x01, NVA06F_V0_ENGINE_GR);
_(0x02, NVA06F_V0_ENGINE_MSPDEC);
_(0x04, NVA06F_V0_ENGINE_MSPPP);
_(0x08, NVA06F_V0_ENGINE_MSVLD);
_(0x10, NVA06F_V0_ENGINE_CE0);
_(0x20, NVA06F_V0_ENGINE_CE1);
_(0x40, NVA06F_V0_ENGINE_MSENC);
#undef _
}
/* allow flips to be executed if this is a graphics channel */
init->tt_ctxdma_handle = 0;
if (init->fb_ctxdma_handle == KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR)
if (init->fb_ctxdma_handle == NVA06F_V0_ENGINE_GR)
init->tt_ctxdma_handle = 1;
}
......
drivers/gpu/drm/nouveau/nouveau_chan.c
浏览文件 @ 1f5ff7f5
......@@ -217,7 +217,7 @@ nouveau_channel_ind(struct nouveau_drm *drm, struct nvif_device *device,
do {
if (oclass[0] >= KEPLER_CHANNEL_GPFIFO_A) {
args.kepler.version = 0;
args.kepler.engine = engine;
args.kepler.engines = engine;
args.kepler.ilength = 0x02000;
args.kepler.ioffset = 0x10000 + chan->push.vma.offset;
args.kepler.vm = 0;
......
drivers/gpu/drm/nouveau/nouveau_drm.c
浏览文件 @ 1f5ff7f5
......@@ -215,13 +215,13 @@ nouveau_accel_init(struct nouveau_drm *drm)
if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
ret = nouveau_channel_new(drm, &drm->device,
KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE0|
KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE1,
NVA06F_V0_ENGINE_CE0 |
NVA06F_V0_ENGINE_CE1,
0, &drm->cechan);
if (ret)
NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
arg0 = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR;
arg0 = NVA06F_V0_ENGINE_GR;
arg1 = 1;
} else
if (device->info.chipset >= 0xa3 &&
......
drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
浏览文件 @ 1f5ff7f5
......@@ -202,73 +202,79 @@ gk104_fifo_gpfifo_func = {
.engine_fini = gk104_fifo_gpfifo_engine_fini,
};
int
gk104_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
void *data, u32 size, struct nvkm_object **pobject)
struct gk104_fifo_chan_func {
u32 engine;
u64 subdev;
};
static int
gk104_fifo_gpfifo_new_(const struct gk104_fifo_chan_func *func,
struct gk104_fifo *fifo, u32 *engmask, u16 *chid,
u64 vm, u64 ioffset, u64 ilength,
const struct nvkm_oclass *oclass,
struct nvkm_object **pobject)
{
union {
struct kepler_channel_gpfifo_a_v0 v0;
} *args = data;
struct gk104_fifo *fifo = gk104_fifo(base);
struct nvkm_device *device = fifo->base.engine.subdev.device;
struct nvkm_object *parent = oclass->parent;
struct gk104_fifo_chan *chan;
u64 usermem, ioffset, ilength;
u32 engines;
int ret = -ENOSYS, i;
nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
"ioffset %016llx ilength %08x engine %08x\n",
args->v0.version, args->v0.vm, args->v0.ioffset,
args->v0.ilength, args->v0.engine);
} else
return ret;
/* determine which downstream engines are present */
for (i = 0, engines = 0; i < fifo->runlist_nr; i++) {
u64 subdevs = gk104_fifo_engine_subdev(i);
if (!nvkm_device_engine(device, __ffs64(subdevs)))
continue;
engines |= (1 << i);
int runlist = -1, ret = -ENOSYS, i, j;
u32 engines = 0, present = 0;
u64 subdevs = 0;
u64 usermem;
/* Determine which downstream engines are present */
for (i = 0; i < fifo->engine_nr; i++) {
struct nvkm_engine *engine = fifo->engine[i].engine;
if (engine) {
u64 submask = BIT_ULL(engine->subdev.index);
for (j = 0; func[j].subdev; j++) {
if (func[j].subdev & submask) {
present |= func[j].engine;
break;
}
}
if (!func[j].subdev)
continue;
if (runlist < 0 && (*engmask & present))
runlist = fifo->engine[i].runl;
if (runlist == fifo->engine[i].runl) {
engines |= func[j].engine;
subdevs |= func[j].subdev;
}
}
}
/* if this is an engine mask query, we're done */
if (!args->v0.engine) {
args->v0.engine = engines;
/* Just an engine mask query? All done here! */
if (!*engmask) {
*engmask = present;
return nvkm_object_new(oclass, NULL, 0, pobject);
}
/* check that we support a requested engine - note that the user
* argument is a mask in order to allow the user to request (for
* example) *any* copy engine, but doesn't matter which.
*/
args->v0.engine &= engines;
if (!args->v0.engine) {
nvif_ioctl(parent, "no supported engine\n");
/* No runlist? No supported engines. */
*engmask = present;
if (runlist < 0)
return -ENODEV;
}
*engmask = engines;
/* allocate the channel */
/* Allocate the channel. */
if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
return -ENOMEM;
*pobject = &chan->base.object;
chan->fifo = fifo;
chan->runl = __ffs(args->v0.engine);
chan->runl = runlist;
INIT_LIST_HEAD(&chan->head);
ret = nvkm_fifo_chan_ctor(&gk104_fifo_gpfifo_func, &fifo->base,
0x1000, 0x1000, true, args->v0.vm, 0,
gk104_fifo_engine_subdev(chan->runl),
0x1000, 0x1000, true, vm, 0, subdevs,
1, fifo->user.bar.offset, 0x200,
oclass, &chan->base);
if (ret)
return ret;
args->v0.chid = chan->base.chid;
*chid = chan->base.chid;
/* page directory */
/* Page directory. */
ret = nvkm_gpuobj_new(device, 0x10000, 0x1000, false, NULL, &chan->pgd);
if (ret)
return ret;
......@@ -284,10 +290,9 @@ gk104_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
if (ret)
return ret;
/* clear channel control registers */
/* Clear channel control registers. */
usermem = chan->base.chid * 0x200;
ioffset = args->v0.ioffset;
ilength = order_base_2(args->v0.ilength / 8);
ilength = order_base_2(ilength / 8);
nvkm_kmap(fifo->user.mem);
for (i = 0; i < 0x200; i += 4)
......@@ -316,6 +321,51 @@ gk104_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
return 0;
}
static const struct gk104_fifo_chan_func
gk104_fifo_gpfifo[] = {
{ NVA06F_V0_ENGINE_SW | NVA06F_V0_ENGINE_GR,
BIT_ULL(NVKM_ENGINE_SW) | BIT_ULL(NVKM_ENGINE_GR)
},
{ NVA06F_V0_ENGINE_MSVLD , BIT_ULL(NVKM_ENGINE_MSVLD ) },
{ NVA06F_V0_ENGINE_MSPDEC, BIT_ULL(NVKM_ENGINE_MSPDEC) },
{ NVA06F_V0_ENGINE_MSPPP , BIT_ULL(NVKM_ENGINE_MSPPP ) },
{ NVA06F_V0_ENGINE_MSENC , BIT_ULL(NVKM_ENGINE_MSENC ) },
{ NVA06F_V0_ENGINE_CE0 , BIT_ULL(NVKM_ENGINE_CE0 ) },
{ NVA06F_V0_ENGINE_CE1 , BIT_ULL(NVKM_ENGINE_CE1 ) },
{ NVA06F_V0_ENGINE_CE2 , BIT_ULL(NVKM_ENGINE_CE2 ) },
{}
};
int
gk104_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
void *data, u32 size, struct nvkm_object **pobject)
{
struct nvkm_object *parent = oclass->parent;
union {
struct kepler_channel_gpfifo_a_v0 v0;
} *args = data;
struct gk104_fifo *fifo = gk104_fifo(base);
int ret = -ENOSYS;
nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
"ioffset %016llx ilength %08x engine %08x\n",
args->v0.version, args->v0.vm, args->v0.ioffset,
args->v0.ilength, args->v0.engines);
return gk104_fifo_gpfifo_new_(gk104_fifo_gpfifo, fifo,
&args->v0.engines,
&args->v0.chid,
args->v0.vm,
args->v0.ioffset,
args->v0.ilength,
oclass, pobject);
}
return ret;
}
const struct nvkm_fifo_chan_oclass
gk104_fifo_gpfifo_oclass = {
.base.oclass = KEPLER_CHANNEL_GPFIFO_A,
......
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