Exemple #1
0
int
nvif_disp_ctor(struct nvif_device *device, s32 oclass, struct nvif_disp *disp)
{
	static const struct nvif_mclass disps[] = {
		{ GV100_DISP, -1 },
		{ GP102_DISP, -1 },
		{ GP100_DISP, -1 },
		{ GM200_DISP, -1 },
		{ GM107_DISP, -1 },
		{ GK110_DISP, -1 },
		{ GK104_DISP, -1 },
		{ GF110_DISP, -1 },
		{ GT214_DISP, -1 },
		{ GT206_DISP, -1 },
		{ GT200_DISP, -1 },
		{   G82_DISP, -1 },
		{  NV50_DISP, -1 },
		{  NV04_DISP, -1 },
		{}
	};
	int cid = nvif_sclass(&device->object, disps, oclass);
	disp->object.client = NULL;
	if (cid < 0)
		return cid;

	return nvif_object_init(&device->object, 0, disps[cid].oclass,
				NULL, 0, &disp->object);
}
Exemple #2
0
int
nvif_client_init(void (*dtor)(struct nvif_client *), const char *driver,
		 const char *name, u64 device, const char *cfg, const char *dbg,
		 struct nvif_client *client)
{
	int ret, i;

	ret = nvif_object_init(NULL, (void*)dtor, 0, 0, NULL, 0, &client->base);
	if (ret)
		return ret;

	client->base.parent = &client->base;
	client->base.handle = ~0;
	client->object = &client->base;
	client->super = true;

	for (i = 0, ret = -EINVAL; (client->driver = nvif_drivers[i]); i++) {
		if (!driver || !strcmp(client->driver->name, driver)) {
			ret = client->driver->init(name, device, cfg, dbg,
						  &client->base.priv);
			if (!ret || driver)
				break;
		}
	}

	if (ret)
		nvif_client_fini(client);
	return ret;
}
Exemple #3
0
int
nvif_user_init(struct nvif_device *device)
{
	struct {
		s32 oclass;
		int version;
		const struct nvif_user_func *func;
	} users[] = {
		{ VOLTA_USERMODE_A, -1, &nvif_userc361 },
		{}
	};
	int cid, ret;

	if (device->user.func)
		return 0;

	cid = nvif_mclass(&device->object, users);
	if (cid < 0)
		return cid;

	ret = nvif_object_init(&device->object, 0, users[cid].oclass, NULL, 0,
			       &device->user.object);
	if (ret)
		return ret;

	nvif_object_map(&device->user.object, NULL, 0);
	device->user.func = users[cid].func;
	return 0;
}
Exemple #4
0
int
nvif_device_init(struct nvif_object *parent, u32 handle, s32 oclass,
		 void *data, u32 size, struct nvif_device *device)
{
	int ret = nvif_object_init(parent, handle, oclass, data, size,
				   &device->object);
	if (ret == 0) {
		device->info.version = 0;
		ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_INFO,
				       &device->info, sizeof(device->info));
	}
	return ret;
}
Exemple #5
0
static int
nv50_chan_create(struct nvif_object *disp, const u32 *oclass, u8 head,
		 void *data, u32 size, struct nv50_chan *chan)
{
	while (oclass[0]) {
		int ret = nvif_object_init(disp, NULL, (oclass[0] << 16) | head,
					   oclass[0], data, size,
					  &chan->user);
		if (oclass++, ret == 0) {
			nvif_object_map(&chan->user);
			return ret;
		}
	}
	return -ENOSYS;
}
Exemple #6
0
int
nvif_mem_init_type(struct nvif_mmu *mmu, s32 oclass, int type, u8 page,
		   u64 size, void *argv, u32 argc, struct nvif_mem *mem)
{
	struct nvif_mem_v0 *args;
	u8 stack[128];
	int ret;

	mem->object.client = NULL;
	if (type < 0)
		return -EINVAL;

	if (sizeof(*args) + argc > sizeof(stack)) {
		if (!(args = kmalloc(sizeof(*args) + argc, GFP_KERNEL)))
			return -ENOMEM;
	} else {
		args = (void *)stack;
	}
	args->version = 0;
	args->type = type;
	args->page = page;
	args->size = size;
	memcpy(args->data, argv, argc);

	ret = nvif_object_init(&mmu->object, 0, oclass, args,
			       sizeof(*args) + argc, &mem->object);
	if (ret == 0) {
		mem->type = mmu->type[type].type;
		mem->page = args->page;
		mem->addr = args->addr;
		mem->size = args->size;
	}

	if (args != (void *)stack)
		kfree(args);
	return ret;

}
Exemple #7
0
static int
nouveau_channel_dma(struct nouveau_drm *drm, struct nvif_device *device,
		    struct nouveau_channel **pchan)
{
	static const u16 oclasses[] = { NV40_CHANNEL_DMA,
					NV17_CHANNEL_DMA,
					NV10_CHANNEL_DMA,
					NV03_CHANNEL_DMA,
					0 };
	const u16 *oclass = oclasses;
	struct nv03_channel_dma_v0 args;
	struct nouveau_channel *chan;
	int ret;

	/* allocate dma push buffer */
	ret = nouveau_channel_prep(drm, device, 0x10000, &chan);
	*pchan = chan;
	if (ret)
		return ret;

	/* create channel object */
	args.version = 0;
	args.pushbuf = nvif_handle(&chan->push.ctxdma);
	args.offset = chan->push.vma.offset;

	do {
		ret = nvif_object_init(&device->object, 0, *oclass++,
				       &args, sizeof(args), &chan->user);
		if (ret == 0) {
			chan->chid = args.chid;
			return ret;
		}
	} while (ret && *oclass);

	nouveau_channel_del(pchan);
	return ret;
}
Exemple #8
0
static void
nouveau_accel_init(struct nouveau_drm *drm)
{
	struct nvif_device *device = &drm->device;
	struct nvif_sclass *sclass;
	u32 arg0, arg1;
	int ret, i, n;

	if (nouveau_noaccel)
		return;

	/* initialise synchronisation routines */
	/*XXX: this is crap, but the fence/channel stuff is a little
	 *     backwards in some places.  this will be fixed.
	 */
	ret = n = nvif_object_sclass_get(&device->object, &sclass);
	if (ret < 0)
		return;

	for (ret = -ENOSYS, i = 0; i < n; i++) {
		switch (sclass[i].oclass) {
		case NV03_CHANNEL_DMA:
			ret = nv04_fence_create(drm);
			break;
		case NV10_CHANNEL_DMA:
			ret = nv10_fence_create(drm);
			break;
		case NV17_CHANNEL_DMA:
		case NV40_CHANNEL_DMA:
			ret = nv17_fence_create(drm);
			break;
		case NV50_CHANNEL_GPFIFO:
			ret = nv50_fence_create(drm);
			break;
		case G82_CHANNEL_GPFIFO:
			ret = nv84_fence_create(drm);
			break;
		case FERMI_CHANNEL_GPFIFO:
		case KEPLER_CHANNEL_GPFIFO_A:
		case MAXWELL_CHANNEL_GPFIFO_A:
			ret = nvc0_fence_create(drm);
			break;
		default:
			break;
		}
	}

	nvif_object_sclass_put(&sclass);
	if (ret) {
		NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
		nouveau_accel_fini(drm);
		return;
	}

	if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
		ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1,
					  KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE0|
					  KEPLER_CHANNEL_GPFIFO_A_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;
		arg1 = 1;
	} else
	if (device->info.chipset >= 0xa3 &&
	    device->info.chipset != 0xaa &&
	    device->info.chipset != 0xac) {
		ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1,
					  NvDmaFB, NvDmaTT, &drm->cechan);
		if (ret)
			NV_ERROR(drm, "failed to create ce channel, %d\n", ret);

		arg0 = NvDmaFB;
		arg1 = NvDmaTT;
	} else {
		arg0 = NvDmaFB;
		arg1 = NvDmaTT;
	}

	ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN, arg0, arg1,
				 &drm->channel);
	if (ret) {
		NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
		nouveau_accel_fini(drm);
		return;
	}

	ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW,
			       nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
	if (ret == 0) {
		ret = RING_SPACE(drm->channel, 2);
		if (ret == 0) {
			if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
				BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
				OUT_RING  (drm->channel, NVDRM_NVSW);
			} else
			if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) {
				BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
				OUT_RING  (drm->channel, 0x001f0000);
			}
		}

		ret = nvif_notify_init(&drm->nvsw, nouveau_flip_complete,
				       false, NVSW_NTFY_UEVENT, NULL, 0, 0,
				       &drm->flip);
		if (ret == 0)
			ret = nvif_notify_get(&drm->flip);
		if (ret) {
			nouveau_accel_fini(drm);
			return;
		}
	}

	if (ret) {
		NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
		nouveau_accel_fini(drm);
		return;
	}

	if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
		ret = nvkm_gpuobj_new(nvxx_device(&drm->device), 32, 0, false,
				      NULL, &drm->notify);
		if (ret) {
			NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
			nouveau_accel_fini(drm);
			return;
		}

		ret = nvif_object_init(&drm->channel->user, NvNotify0,
				       NV_DMA_IN_MEMORY,
				       &(struct nv_dma_v0) {
						.target = NV_DMA_V0_TARGET_VRAM,
						.access = NV_DMA_V0_ACCESS_RDWR,
						.start = drm->notify->addr,
						.limit = drm->notify->addr + 31
				       }, sizeof(struct nv_dma_v0),
Exemple #9
0
static ssize_t
nouveau_sysfs_pstate_get(struct device *d, struct device_attribute *a, char *b)
{
	struct nouveau_sysfs *sysfs = nouveau_sysfs(drm_device(d));
	struct nvif_control_pstate_info_v0 info = {};
	size_t cnt = PAGE_SIZE;
	char *buf = b;
	int ret, i;

	ret = nvif_mthd(&sysfs->ctrl, NVIF_CONTROL_PSTATE_INFO,
			&info, sizeof(info));
	if (ret)
		return ret;

	for (i = 0; i < info.count + 1; i++) {
		const s32 state = i < info.count ? i :
			NVIF_CONTROL_PSTATE_ATTR_V0_STATE_CURRENT;
		struct nvif_control_pstate_attr_v0 attr = {
			.state = state,
			.index = 0,
		};

		ret = nvif_mthd(&sysfs->ctrl, NVIF_CONTROL_PSTATE_ATTR,
				&attr, sizeof(attr));
		if (ret)
			return ret;

		if (i < info.count)
			snappendf(buf, cnt, "%02x:", attr.state);
		else
			snappendf(buf, cnt, "%s:", info.pwrsrc == 0 ? "DC" :
						   info.pwrsrc == 1 ? "AC" :
						   "--");

		attr.index = 0;
		do {
			attr.state = state;
			ret = nvif_mthd(&sysfs->ctrl,
					NVIF_CONTROL_PSTATE_ATTR,
					&attr, sizeof(attr));
			if (ret)
				return ret;

			snappendf(buf, cnt, " %s %d", attr.name, attr.min);
			if (attr.min != attr.max)
				snappendf(buf, cnt, "-%d", attr.max);
			snappendf(buf, cnt, " %s", attr.unit);
		} while (attr.index);

		if (state >= 0) {
			if (info.ustate_ac == state)
				snappendf(buf, cnt, " AC");
			if (info.ustate_dc == state)
				snappendf(buf, cnt, " DC");
			if (info.pstate == state)
				snappendf(buf, cnt, " *");
		} else {
			if (info.ustate_ac < -1)
				snappendf(buf, cnt, " AC");
			if (info.ustate_dc < -1)
				snappendf(buf, cnt, " DC");
		}

		snappendf(buf, cnt, "\n");
	}

	return strlen(b);
}

static ssize_t
nouveau_sysfs_pstate_set(struct device *d, struct device_attribute *a,
			 const char *buf, size_t count)
{
	struct nouveau_sysfs *sysfs = nouveau_sysfs(drm_device(d));
	struct nvif_control_pstate_user_v0 args = { .pwrsrc = -EINVAL };
	long value, ret;
	char *tmp;

	if ((tmp = strchr(buf, '\n')))
		*tmp = '\0';

	if (!strncasecmp(buf, "dc:", 3)) {
		args.pwrsrc = 0;
		buf += 3;
	} else
	if (!strncasecmp(buf, "ac:", 3)) {
		args.pwrsrc = 1;
		buf += 3;
	}

	if (!strcasecmp(buf, "none"))
		args.ustate = NVIF_CONTROL_PSTATE_USER_V0_STATE_UNKNOWN;
	else
	if (!strcasecmp(buf, "auto"))
		args.ustate = NVIF_CONTROL_PSTATE_USER_V0_STATE_PERFMON;
	else {
		ret = kstrtol(buf, 16, &value);
		if (ret)
			return ret;
		args.ustate = value;
	}

	ret = nvif_mthd(&sysfs->ctrl, NVIF_CONTROL_PSTATE_USER,
			&args, sizeof(args));
	if (ret < 0)
		return ret;

	return count;
}

static DEVICE_ATTR(pstate, S_IRUGO | S_IWUSR,
		   nouveau_sysfs_pstate_get, nouveau_sysfs_pstate_set);

void
nouveau_sysfs_fini(struct drm_device *dev)
{
	struct nouveau_sysfs *sysfs = nouveau_sysfs(dev);
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nvif_device *device = &drm->device;

	if (sysfs && sysfs->ctrl.priv) {
		device_remove_file(nv_device_base(nvkm_device(device)), &dev_attr_pstate);
		nvif_object_fini(&sysfs->ctrl);
	}

	drm->sysfs = NULL;
	kfree(sysfs);
}

int
nouveau_sysfs_init(struct drm_device *dev)
{
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nvif_device *device = &drm->device;
	struct nouveau_sysfs *sysfs;
	int ret;

	if (!nouveau_pstate)
		return 0;

	sysfs = drm->sysfs = kzalloc(sizeof(*sysfs), GFP_KERNEL);
	if (!sysfs)
		return -ENOMEM;

	ret = nvif_object_init(nvif_object(device), NULL, NVDRM_CONTROL,
			       NVIF_IOCTL_NEW_V0_CONTROL, NULL, 0,
			      &sysfs->ctrl);
	if (ret == 0)
		device_create_file(nv_device_base(nvkm_device(device)), &dev_attr_pstate);

	return 0;
}
Exemple #10
0
static int
nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device,
		     u32 size, struct nouveau_channel **pchan)
{
	struct nouveau_cli *cli = (void *)device->object.client;
	struct nvkm_mmu *mmu = nvxx_mmu(device);
	struct nv_dma_v0 args = {};
	struct nouveau_channel *chan;
	u32 target;
	int ret;

	chan = *pchan = kzalloc(sizeof(*chan), GFP_KERNEL);
	if (!chan)
		return -ENOMEM;

	chan->device = device;
	chan->drm = drm;

	/* allocate memory for dma push buffer */
	target = TTM_PL_FLAG_TT | TTM_PL_FLAG_UNCACHED;
	if (nouveau_vram_pushbuf)
		target = TTM_PL_FLAG_VRAM;

	ret = nouveau_bo_new(drm->dev, size, 0, target, 0, 0, NULL, NULL,
			    &chan->push.buffer);
	if (ret == 0) {
		ret = nouveau_bo_pin(chan->push.buffer, target, false);
		if (ret == 0)
			ret = nouveau_bo_map(chan->push.buffer);
	}

	if (ret) {
		nouveau_channel_del(pchan);
		return ret;
	}

	/* create dma object covering the *entire* memory space that the
	 * pushbuf lives in, this is because the GEM code requires that
	 * we be able to call out to other (indirect) push buffers
	 */
	chan->push.vma.offset = chan->push.buffer->bo.offset;

	if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
		ret = nouveau_bo_vma_add(chan->push.buffer, cli->vm,
					&chan->push.vma);
		if (ret) {
			nouveau_channel_del(pchan);
			return ret;
		}

		args.target = NV_DMA_V0_TARGET_VM;
		args.access = NV_DMA_V0_ACCESS_VM;
		args.start = 0;
		args.limit = cli->vm->mmu->limit - 1;
	} else
	if (chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM) {
		if (device->info.family == NV_DEVICE_INFO_V0_TNT) {
			/* nv04 vram pushbuf hack, retarget to its location in
			 * the framebuffer bar rather than direct vram access..
			 * nfi why this exists, it came from the -nv ddx.
			 */
			args.target = NV_DMA_V0_TARGET_PCI;
			args.access = NV_DMA_V0_ACCESS_RDWR;
			args.start = nvxx_device(device)->func->
				resource_addr(nvxx_device(device), 1);
			args.limit = args.start + device->info.ram_user - 1;
		} else {
			args.target = NV_DMA_V0_TARGET_VRAM;
			args.access = NV_DMA_V0_ACCESS_RDWR;
			args.start = 0;
			args.limit = device->info.ram_user - 1;
		}
	} else {
		if (chan->drm->agp.bridge) {
			args.target = NV_DMA_V0_TARGET_AGP;
			args.access = NV_DMA_V0_ACCESS_RDWR;
			args.start = chan->drm->agp.base;
			args.limit = chan->drm->agp.base +
				     chan->drm->agp.size - 1;
		} else {
			args.target = NV_DMA_V0_TARGET_VM;
			args.access = NV_DMA_V0_ACCESS_RDWR;
			args.start = 0;
			args.limit = mmu->limit - 1;
		}
	}

	ret = nvif_object_init(&device->object, 0, NV_DMA_FROM_MEMORY,
			       &args, sizeof(args), &chan->push.ctxdma);
	if (ret) {
		nouveau_channel_del(pchan);
		return ret;
	}

	return 0;
}
Exemple #11
0
static int
nouveau_channel_init(struct nouveau_channel *chan, u32 vram, u32 gart)
{
	struct nvif_device *device = chan->device;
	struct nouveau_cli *cli = (void *)chan->user.client;
	struct nvkm_mmu *mmu = nvxx_mmu(device);
	struct nv_dma_v0 args = {};
	int ret, i;

	nvif_object_map(&chan->user);

	/* allocate dma objects to cover all allowed vram, and gart */
	if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
		if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
			args.target = NV_DMA_V0_TARGET_VM;
			args.access = NV_DMA_V0_ACCESS_VM;
			args.start = 0;
			args.limit = cli->vm->mmu->limit - 1;
		} else {
			args.target = NV_DMA_V0_TARGET_VRAM;
			args.access = NV_DMA_V0_ACCESS_RDWR;
			args.start = 0;
			args.limit = device->info.ram_user - 1;
		}

		ret = nvif_object_init(&chan->user, vram, NV_DMA_IN_MEMORY,
				       &args, sizeof(args), &chan->vram);
		if (ret)
			return ret;

		if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
			args.target = NV_DMA_V0_TARGET_VM;
			args.access = NV_DMA_V0_ACCESS_VM;
			args.start = 0;
			args.limit = cli->vm->mmu->limit - 1;
		} else
		if (chan->drm->agp.bridge) {
			args.target = NV_DMA_V0_TARGET_AGP;
			args.access = NV_DMA_V0_ACCESS_RDWR;
			args.start = chan->drm->agp.base;
			args.limit = chan->drm->agp.base +
				     chan->drm->agp.size - 1;
		} else {
			args.target = NV_DMA_V0_TARGET_VM;
			args.access = NV_DMA_V0_ACCESS_RDWR;
			args.start = 0;
			args.limit = mmu->limit - 1;
		}

		ret = nvif_object_init(&chan->user, gart, NV_DMA_IN_MEMORY,
				       &args, sizeof(args), &chan->gart);
		if (ret)
			return ret;
	}

	/* initialise dma tracking parameters */
	switch (chan->user.oclass & 0x00ff) {
	case 0x006b:
	case 0x006e:
		chan->user_put = 0x40;
		chan->user_get = 0x44;
		chan->dma.max = (0x10000 / 4) - 2;
		break;
	default:
		chan->user_put = 0x40;
		chan->user_get = 0x44;
		chan->user_get_hi = 0x60;
		chan->dma.ib_base =  0x10000 / 4;
		chan->dma.ib_max  = (0x02000 / 8) - 1;
		chan->dma.ib_put  = 0;
		chan->dma.ib_free = chan->dma.ib_max - chan->dma.ib_put;
		chan->dma.max = chan->dma.ib_base;
		break;
	}

	chan->dma.put = 0;
	chan->dma.cur = chan->dma.put;
	chan->dma.free = chan->dma.max - chan->dma.cur;

	ret = RING_SPACE(chan, NOUVEAU_DMA_SKIPS);
	if (ret)
		return ret;

	for (i = 0; i < NOUVEAU_DMA_SKIPS; i++)
		OUT_RING(chan, 0x00000000);

	/* allocate software object class (used for fences on <= nv05) */
	if (device->info.family < NV_DEVICE_INFO_V0_CELSIUS) {
		ret = nvif_object_init(&chan->user, 0x006e,
				       NVIF_CLASS_SW_NV04,
				       NULL, 0, &chan->nvsw);
		if (ret)
			return ret;

		ret = RING_SPACE(chan, 2);
		if (ret)
			return ret;

		BEGIN_NV04(chan, NvSubSw, 0x0000, 1);
		OUT_RING  (chan, chan->nvsw.handle);
		FIRE_RING (chan);
	}

	/* initialise synchronisation */
	return nouveau_fence(chan->drm)->context_new(chan);
}
Exemple #12
0
static int
nouveau_channel_ind(struct nouveau_drm *drm, struct nvif_device *device,
		    u32 engine, struct nouveau_channel **pchan)
{
	static const u16 oclasses[] = { MAXWELL_CHANNEL_GPFIFO_A,
					KEPLER_CHANNEL_GPFIFO_B,
					KEPLER_CHANNEL_GPFIFO_A,
					FERMI_CHANNEL_GPFIFO,
					G82_CHANNEL_GPFIFO,
					NV50_CHANNEL_GPFIFO,
					0 };
	const u16 *oclass = oclasses;
	union {
		struct nv50_channel_gpfifo_v0 nv50;
		struct fermi_channel_gpfifo_v0 fermi;
		struct kepler_channel_gpfifo_a_v0 kepler;
	} args;
	struct nouveau_channel *chan;
	u32 size;
	int ret;

	/* allocate dma push buffer */
	ret = nouveau_channel_prep(drm, device, 0x12000, &chan);
	*pchan = chan;
	if (ret)
		return ret;

	/* create channel object */
	do {
		if (oclass[0] >= KEPLER_CHANNEL_GPFIFO_A) {
			args.kepler.version = 0;
			args.kepler.engines = engine;
			args.kepler.ilength = 0x02000;
			args.kepler.ioffset = 0x10000 + chan->push.vma.offset;
			args.kepler.vm = 0;
			size = sizeof(args.kepler);
		} else
		if (oclass[0] >= FERMI_CHANNEL_GPFIFO) {
			args.fermi.version = 0;
			args.fermi.ilength = 0x02000;
			args.fermi.ioffset = 0x10000 + chan->push.vma.offset;
			args.fermi.vm = 0;
			size = sizeof(args.fermi);
		} else {
			args.nv50.version = 0;
			args.nv50.ilength = 0x02000;
			args.nv50.ioffset = 0x10000 + chan->push.vma.offset;
			args.nv50.pushbuf = nvif_handle(&chan->push.ctxdma);
			args.nv50.vm = 0;
			size = sizeof(args.nv50);
		}

		ret = nvif_object_init(&device->object, 0, *oclass++,
				       &args, size, &chan->user);
		if (ret == 0) {
			if (chan->user.oclass >= KEPLER_CHANNEL_GPFIFO_A)
				chan->chid = args.kepler.chid;
			else
			if (chan->user.oclass >= FERMI_CHANNEL_GPFIFO)
				chan->chid = args.fermi.chid;
			else
				chan->chid = args.nv50.chid;
			return ret;
		}
	} while (*oclass);

	nouveau_channel_del(pchan);
	return ret;
}
Exemple #13
0
static int
nouveau_debugfs_pstate_get(struct seq_file *m, void *data)
{
	struct drm_device *drm = m->private;
	struct nouveau_debugfs *debugfs = nouveau_debugfs(drm);
	struct nvif_object *ctrl = &debugfs->ctrl;
	struct nvif_control_pstate_info_v0 info = {};
	int ret, i;

	if (!debugfs)
		return -ENODEV;

	ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_INFO, &info, sizeof(info));
	if (ret)
		return ret;

	for (i = 0; i < info.count + 1; i++) {
		const s32 state = i < info.count ? i :
			NVIF_CONTROL_PSTATE_ATTR_V0_STATE_CURRENT;
		struct nvif_control_pstate_attr_v0 attr = {
			.state = state,
			.index = 0,
		};

		ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_ATTR,
				&attr, sizeof(attr));
		if (ret)
			return ret;

		if (i < info.count)
			seq_printf(m, "%02x:", attr.state);
		else
			seq_printf(m, "%s:", info.pwrsrc == 0 ? "DC" :
					     info.pwrsrc == 1 ? "AC" : "--");

		attr.index = 0;
		do {
			attr.state = state;
			ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_ATTR,
					&attr, sizeof(attr));
			if (ret)
				return ret;

			seq_printf(m, " %s %d", attr.name, attr.min);
			if (attr.min != attr.max)
				seq_printf(m, "-%d", attr.max);
			seq_printf(m, " %s", attr.unit);
		} while (attr.index);

		if (state >= 0) {
			if (info.ustate_ac == state)
				seq_printf(m, " AC");
			if (info.ustate_dc == state)
				seq_printf(m, " DC");
			if (info.pstate == state)
				seq_printf(m, " *");
		} else {
			if (info.ustate_ac < -1)
				seq_printf(m, " AC");
			if (info.ustate_dc < -1)
				seq_printf(m, " DC");
		}

		seq_printf(m, "\n");
	}

	return 0;
}

static ssize_t
nouveau_debugfs_pstate_set(struct file *file, const char __user *ubuf,
			   size_t len, loff_t *offp)
{
	struct seq_file *m = file->private_data;
	struct drm_device *drm = m->private;
	struct nouveau_debugfs *debugfs = nouveau_debugfs(drm);
	struct nvif_object *ctrl = &debugfs->ctrl;
	struct nvif_control_pstate_user_v0 args = { .pwrsrc = -EINVAL };
	char buf[32] = {}, *tmp, *cur = buf;
	long value, ret;

	if (!debugfs)
		return -ENODEV;

	if (len >= sizeof(buf))
		return -EINVAL;

	if (copy_from_user(buf, ubuf, len))
		return -EFAULT;

	if ((tmp = strchr(buf, '\n')))
		*tmp = '\0';

	if (!strncasecmp(cur, "dc:", 3)) {
		args.pwrsrc = 0;
		cur += 3;
	} else
	if (!strncasecmp(cur, "ac:", 3)) {
		args.pwrsrc = 1;
		cur += 3;
	}

	if (!strcasecmp(cur, "none"))
		args.ustate = NVIF_CONTROL_PSTATE_USER_V0_STATE_UNKNOWN;
	else
	if (!strcasecmp(cur, "auto"))
		args.ustate = NVIF_CONTROL_PSTATE_USER_V0_STATE_PERFMON;
	else {
		ret = kstrtol(cur, 16, &value);
		if (ret)
			return ret;
		args.ustate = value;
	}

	ret = pm_runtime_get_sync(drm->dev);
	if (ret < 0 && ret != -EACCES)
		return ret;
	ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_USER, &args, sizeof(args));
	pm_runtime_put_autosuspend(drm->dev);
	if (ret < 0)
		return ret;

	return len;
}

static int
nouveau_debugfs_pstate_open(struct inode *inode, struct file *file)
{
	return single_open(file, nouveau_debugfs_pstate_get, inode->i_private);
}

static const struct file_operations nouveau_pstate_fops = {
	.owner = THIS_MODULE,
	.open = nouveau_debugfs_pstate_open,
	.read = seq_read,
	.write = nouveau_debugfs_pstate_set,
};

static struct drm_info_list nouveau_debugfs_list[] = {
	{ "vbios.rom",  nouveau_debugfs_vbios_image, 0, NULL },
	{ "strap_peek", nouveau_debugfs_strap_peek, 0, NULL },
};
#define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list)

static const struct nouveau_debugfs_files {
	const char *name;
	const struct file_operations *fops;
} nouveau_debugfs_files[] = {
	{"pstate", &nouveau_pstate_fops},
};

int
nouveau_drm_debugfs_init(struct drm_minor *minor)
{
	struct nouveau_drm *drm = nouveau_drm(minor->dev);
	struct dentry *dentry;
	int i, ret;

	for (i = 0; i < ARRAY_SIZE(nouveau_debugfs_files); i++) {
		dentry = debugfs_create_file(nouveau_debugfs_files[i].name,
					     S_IRUGO | S_IWUSR,
					     minor->debugfs_root, minor->dev,
					     nouveau_debugfs_files[i].fops);
		if (!dentry)
			return -ENOMEM;
	}

	ret = drm_debugfs_create_files(nouveau_debugfs_list,
				       NOUVEAU_DEBUGFS_ENTRIES,
				       minor->debugfs_root, minor);
	if (ret)
		return ret;

	/* Set the size of the vbios since we know it, and it's confusing to
	 * userspace if it wants to seek() but the file has a length of 0
	 */
	dentry = debugfs_lookup("vbios.rom", minor->debugfs_root);
	if (!dentry)
		return 0;

	d_inode(dentry)->i_size = drm->vbios.length;
	dput(dentry);

	return 0;
}

int
nouveau_debugfs_init(struct nouveau_drm *drm)
{
	int ret;

	drm->debugfs = kzalloc(sizeof(*drm->debugfs), GFP_KERNEL);
	if (!drm->debugfs)
		return -ENOMEM;

	ret = nvif_object_init(&drm->client.device.object, 0,
			       NVIF_CLASS_CONTROL, NULL, 0,
			       &drm->debugfs->ctrl);
	if (ret)
		return ret;

	return 0;
}

void
nouveau_debugfs_fini(struct nouveau_drm *drm)
{
	if (drm->debugfs && drm->debugfs->ctrl.priv)
		nvif_object_fini(&drm->debugfs->ctrl);

	kfree(drm->debugfs);
	drm->debugfs = NULL;
}