+++ /dev/null
-#ifndef __NVKM_ENGCTX_H__
-#define __NVKM_ENGCTX_H__
-#include <core/gpuobj.h>
-#include <core/parent.h>
-
-#include <subdev/mmu.h>
-
-#define NV_ENGCTX_(eng,var) (((var) << 8) | (eng))
-#define NV_ENGCTX(name,var) NV_ENGCTX_(NVDEV_ENGINE_##name, (var))
-
-struct nvkm_engctx {
- struct nvkm_gpuobj gpuobj;
- struct nvkm_vma vma;
- struct list_head head;
- unsigned long save;
- u64 addr;
-};
-
-static inline struct nvkm_engctx *
-nv_engctx(void *obj)
-{
-#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
- BUG_ON(!nv_iclass(obj, NV_ENGCTX_CLASS));
-#endif
- return obj;
-}
-
-#define nvkm_engctx_create(p,e,c,g,s,a,f,d) \
- nvkm_engctx_create_((p), (e), (c), (g), (s), (a), (f), \
- sizeof(**d), (void **)d)
-
-int nvkm_engctx_create_(struct nvkm_object *, struct nvkm_object *,
- struct nvkm_oclass *, struct nvkm_object *,
- u32 size, u32 align, u32 flags,
- int length, void **data);
-void nvkm_engctx_destroy(struct nvkm_engctx *);
-int nvkm_engctx_init(struct nvkm_engctx *);
-int nvkm_engctx_fini(struct nvkm_engctx *, bool suspend);
-
-int _nvkm_engctx_ctor(struct nvkm_object *, struct nvkm_object *,
- struct nvkm_oclass *, void *, u32,
- struct nvkm_object **);
-void _nvkm_engctx_dtor(struct nvkm_object *);
-int _nvkm_engctx_init(struct nvkm_object *);
-int _nvkm_engctx_fini(struct nvkm_object *, bool suspend);
-#define _nvkm_engctx_rd32 _nvkm_gpuobj_rd32
-#define _nvkm_engctx_wr32 _nvkm_gpuobj_wr32
-#endif
+++ /dev/null
-#ifndef __NVKM_PARENT_H__
-#define __NVKM_PARENT_H__
-#include <core/object.h>
-
-struct nvkm_parent {
- struct nvkm_object object;
-
- struct nvkm_oclass *sclass;
- u64 engine;
-
- int (*context_attach)(struct nvkm_object *, struct nvkm_object *);
- int (*context_detach)(struct nvkm_object *, bool suspend,
- struct nvkm_object *);
-
- int (*object_attach)(struct nvkm_object *parent,
- struct nvkm_object *object, u32 name);
- void (*object_detach)(struct nvkm_object *parent, int cookie);
-};
-
-static inline struct nvkm_parent *
-nv_parent(void *obj)
-{
-#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
- BUG_ON(!(nv_iclass(obj, NV_PARENT_CLASS)));
-#endif
- return obj;
-}
-
-#define nvkm_parent_create(p,e,c,v,s,m,d) \
- nvkm_parent_create_((p), (e), (c), (v), (s), (m), \
- sizeof(**d), (void **)d)
-#define nvkm_parent_init(p) \
- _nvkm_object_init(&(p)->object)
-#define nvkm_parent_fini(p,s) \
- _nvkm_object_fini(&(p)->object, (s))
-
-int nvkm_parent_create_(struct nvkm_object *, struct nvkm_object *,
- struct nvkm_oclass *, u32 pclass,
- struct nvkm_oclass *, u64 engcls,
- int size, void **);
-void nvkm_parent_destroy(struct nvkm_parent *);
-
-void _nvkm_parent_dtor(struct nvkm_object *);
-#define _nvkm_parent_init _nvkm_object_init
-#define _nvkm_parent_fini _nvkm_object_fini
-
-int nvkm_parent_sclass(struct nvkm_object *, s32 handle,
- struct nvkm_object **pengine,
- struct nvkm_oclass **poclass);
-int nvkm_parent_lclass(struct nvkm_object *, void *, int);
-#endif
nvkm-y := nvkm/core/client.o
-nvkm-y += nvkm/core/engctx.o
nvkm-y += nvkm/core/engine.o
nvkm-y += nvkm/core/enum.o
nvkm-y += nvkm/core/event.o
nvkm-y += nvkm/core/object.o
nvkm-y += nvkm/core/oproxy.o
nvkm-y += nvkm/core/option.o
-nvkm-y += nvkm/core/parent.o
nvkm-y += nvkm/core/ramht.o
nvkm-y += nvkm/core/subdev.o
+++ /dev/null
-/*
- * 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 <core/engctx.h>
-#include <core/engine.h>
-#include <core/client.h>
-
-static inline int
-nvkm_engctx_exists(struct nvkm_object *parent,
- struct nvkm_engine *engine, void **pobject)
-{
- struct nvkm_engctx *engctx;
- struct nvkm_object *parctx;
-
- list_for_each_entry(engctx, &engine->contexts, head) {
- parctx = nv_pclass(nv_object(engctx), NV_PARENT_CLASS);
- if (parctx == parent) {
- atomic_inc(&nv_object(engctx)->refcount);
- *pobject = engctx;
- return 1;
- }
- }
-
- return 0;
-}
-
-int
-nvkm_engctx_create_(struct nvkm_object *parent, struct nvkm_object *engobj,
- struct nvkm_oclass *oclass, struct nvkm_object *pargpu,
- u32 size, u32 align, u32 flags, int length, void **pobject)
-{
- struct nvkm_client *client = nvkm_client(parent);
- struct nvkm_engine *engine = nv_engine(engobj);
- struct nvkm_object *engctx;
- unsigned long save;
- int ret;
-
- /* check if this engine already has a context for the parent object,
- * and reference it instead of creating a new one
- */
- spin_lock_irqsave(&engine->lock, save);
- ret = nvkm_engctx_exists(parent, engine, pobject);
- spin_unlock_irqrestore(&engine->lock, save);
- if (ret)
- return ret;
-
- /* create the new context, supports creating both raw objects and
- * objects backed by instance memory
- */
- if (size) {
- ret = nvkm_gpuobj_create_(parent, engobj, oclass,
- NV_ENGCTX_CLASS, pargpu, size,
- align, flags, length, pobject);
- } else {
- ret = nvkm_object_create_(parent, engobj, oclass,
- NV_ENGCTX_CLASS, length, pobject);
- }
-
- engctx = *pobject;
- if (ret)
- return ret;
-
- /* must take the lock again and re-check a context doesn't already
- * exist (in case of a race) - the lock had to be dropped before as
- * it's not possible to allocate the object with it held.
- */
- spin_lock_irqsave(&engine->lock, save);
- ret = nvkm_engctx_exists(parent, engine, pobject);
- if (ret) {
- spin_unlock_irqrestore(&engine->lock, save);
- nvkm_object_ref(NULL, &engctx);
- return ret;
- }
-
- if (client->vm)
- atomic_inc(&client->vm->engref[nv_engidx(engine)]);
- list_add(&nv_engctx(engctx)->head, &engine->contexts);
- nv_engctx(engctx)->addr = ~0ULL;
- spin_unlock_irqrestore(&engine->lock, save);
- return 0;
-}
-
-void
-nvkm_engctx_destroy(struct nvkm_engctx *engctx)
-{
- struct nvkm_engine *engine = engctx->gpuobj.object.engine;
- struct nvkm_client *client = nvkm_client(&engctx->gpuobj.object);
- unsigned long save;
-
- nvkm_gpuobj_unmap(&engctx->vma);
- spin_lock_irqsave(&engine->lock, save);
- list_del(&engctx->head);
- spin_unlock_irqrestore(&engine->lock, save);
-
- if (client->vm)
- atomic_dec(&client->vm->engref[nv_engidx(engine)]);
-
- if (engctx->gpuobj.size)
- nvkm_gpuobj_destroy(&engctx->gpuobj);
- else
- nvkm_object_destroy(&engctx->gpuobj.object);
-}
-
-int
-nvkm_engctx_init(struct nvkm_engctx *engctx)
-{
- return nvkm_gpuobj_init(&engctx->gpuobj);
-}
-
-int
-nvkm_engctx_fini(struct nvkm_engctx *engctx, bool suspend)
-{
- return nvkm_gpuobj_fini(&engctx->gpuobj, suspend);
-}
-
-int
-_nvkm_engctx_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
-{
- struct nvkm_engctx *engctx;
- int ret;
-
- ret = nvkm_engctx_create(parent, engine, oclass, NULL, 256, 256,
- NVOBJ_FLAG_ZERO_ALLOC, &engctx);
- *pobject = nv_object(engctx);
- return ret;
-}
-
-void
-_nvkm_engctx_dtor(struct nvkm_object *object)
-{
- nvkm_engctx_destroy(nv_engctx(object));
-}
-
-int
-_nvkm_engctx_init(struct nvkm_object *object)
-{
- return nvkm_engctx_init(nv_engctx(object));
-}
-
-int
-_nvkm_engctx_fini(struct nvkm_object *object, bool suspend)
-{
- return nvkm_engctx_fini(nv_engctx(object), suspend);
-}
*/
#include <core/handle.h>
#include <core/client.h>
-#include <core/parent.h>
#define hprintk(h,l,f,a...) do { \
struct nvkm_handle *p = (h)->parent; u32 n = p ? p->name : ~0; \
struct nvkm_object *object, struct nvkm_handle **phandle)
{
struct nvkm_handle *handle;
- int ret;
handle = kzalloc(sizeof(*handle), GFP_KERNEL);
if (!handle)
handle->parent = parent;
nvkm_object_ref(object, &handle->object);
- if (parent) {
- if (nv_iclass(parent->object, NV_PARENT_CLASS) &&
- nv_parent(parent->object)->object_attach) {
- ret = nv_parent(parent->object)->
- object_attach(parent->object, object, _handle);
- if (ret < 0) {
- nvkm_handle_destroy(handle);
- return ret;
- }
-
- handle->priv = ret;
- }
-
+ if (parent)
list_add(&handle->head, &handle->parent->tree);
- }
hprintk(handle, TRACE, "created\n");
*phandle = handle;
nvkm_client_remove(client, handle);
list_del(&handle->head);
- if (handle->priv != ~0) {
- struct nvkm_object *parent = handle->parent->object;
- nv_parent(parent)->object_detach(parent, handle->priv);
- }
-
hprintk(handle, TRACE, "destroy completed\n");
nvkm_object_ref(NULL, &handle->object);
kfree(handle);
#include <core/client.h>
#include <core/engine.h>
#include <core/handle.h>
-#include <core/parent.h>
#include <nvif/unpack.h>
#include <nvif/ioctl.h>
if (size != args->v0.count * sizeof(args->v0.oclass[0]))
return -EINVAL;
- if (object->oclass) {
- if (nv_iclass(object, NV_PARENT_CLASS)) {
- ret = nvkm_parent_lclass(object,
- args->v0.oclass,
- args->v0.count);
- }
-
- args->v0.count = ret;
- return 0;
- }
-
while (object->func->sclass &&
object->func->sclass(object, i, &oclass) >= 0) {
if (i < args->v0.count) {
}
static int
-nvkm_ioctl_new_old(struct nvkm_handle *handle, void *data, u32 size)
-{
- union {
- struct nvif_ioctl_new_v0 v0;
- } *args = data;
- struct nvkm_client *client = nvkm_client(handle->object);
- struct nvkm_object *engctx = NULL;
- struct nvkm_object *object = NULL;
- struct nvkm_parent *parent;
- struct nvkm_engine *engine;
- struct nvkm_oclass *oclass;
- u32 _handle, _oclass;
- int ret;
-
- nvif_ioctl(handle->object, "new size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, true)) {
- _handle = args->v0.handle;
- _oclass = args->v0.oclass;
- } else
- return ret;
-
- nvif_ioctl(handle->object, "new vers %d handle %08x class %08x "
- "route %02x token %llx object %016llx\n",
- args->v0.version, _handle, _oclass,
- args->v0.route, args->v0.token, args->v0.object);
-
- if (!nv_iclass(handle->object, NV_PARENT_CLASS)) {
- nvif_debug(handle->object, "cannot have children (ctor)\n");
- ret = -ENODEV;
- goto fail_class;
- }
-
- parent = nv_parent(handle->object);
-
- /* check that parent supports the requested subclass */
- ret = nvkm_parent_sclass(&parent->object, _oclass,
- (struct nvkm_object **)&engine, &oclass);
- if (ret) {
- nvif_debug(&parent->object, "illegal class 0x%04x\n", _oclass);
- goto fail_class;
- }
-
- /* make sure engine init has been completed *before* any objects
- * it controls are created - the constructors may depend on
- * state calculated at init (ie. default context construction)
- */
- if (engine) {
- engine = nvkm_engine_ref(engine);
- if (IS_ERR(engine)) {
- ret = PTR_ERR(engine);
- engine = NULL;
- goto fail_class;
- }
- }
-
- /* if engine requires it, create a context object to insert
- * between the parent and its children (eg. PGRAPH context)
- */
- if (engine && engine->cclass) {
- ret = nvkm_object_old(&parent->object, &engine->subdev.object,
- engine->cclass, data, size, &engctx);
- if (ret)
- goto fail_engctx;
- } else {
- nvkm_object_ref(&parent->object, &engctx);
- }
-
- /* finally, create new object and bind it to its handle */
- ret = nvkm_object_old(engctx, &engine->subdev.object, oclass,
- data, size, &object);
- if (ret)
- goto fail_ctor;
-
- object->handle = _handle;
-
- ret = nvkm_object_inc(object);
- if (ret)
- goto fail_init;
-
- ret = nvkm_handle_create(handle, _handle, object, &handle);
- if (ret)
- goto fail_handle;
-
- ret = nvkm_handle_init(handle);
- handle->route = args->v0.route;
- handle->token = args->v0.token;
- if (ret)
- nvkm_handle_destroy(handle);
-
- handle->handle = args->v0.object;
- nvkm_client_insert(client, handle);
- client->data = object;
-fail_handle:
- nvkm_object_dec(object, false);
-fail_init:
- nvkm_object_ref(NULL, &object);
-fail_ctor:
- nvkm_object_ref(NULL, &engctx);
-fail_engctx:
- nvkm_engine_unref(&engine);
-fail_class:
- return ret;
-}
-
-static int
nvkm_ioctl_new(struct nvkm_handle *handle, void *data, u32 size)
{
union {
struct nvkm_oclass oclass;
int ret, i = 0;
- if (parent->oclass)
- return nvkm_ioctl_new_old(handle, data, size);
-
nvif_ioctl(parent, "new size %d\n", size);
if (nvif_unpack(args->v0, 0, 0, true)) {
nvif_ioctl(parent, "new vers %d handle %08x class %08x "
+++ /dev/null
-/*
- * 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 <core/parent.h>
-#include <core/client.h>
-#include <core/engine.h>
-
-#include <nvif/ioctl.h>
-
-int
-nvkm_parent_sclass(struct nvkm_object *parent, s32 handle,
- struct nvkm_object **pengine,
- struct nvkm_oclass **poclass)
-{
- struct nvkm_oclass *sclass, *oclass;
- struct nvkm_engine *engine;
- u64 mask;
- int i;
-
- sclass = nv_parent(parent)->sclass;
- while ((oclass = sclass++) && oclass->ofuncs) {
- if (oclass->handle == handle) {
- *pengine = &parent->engine->subdev.object;
- *poclass = oclass;
- return 0;
- }
- }
-
- mask = nv_parent(parent)->engine;
- while (i = __ffs64(mask), mask) {
- engine = nvkm_engine(parent, i);
- if (engine) {
- oclass = engine->sclass;
- while (oclass->ofuncs) {
- if (oclass->handle == handle) {
- *pengine = nv_object(engine);
- *poclass = oclass;
- return 0;
- }
- oclass++;
- }
- }
-
- mask &= ~(1ULL << i);
- }
-
- return -EINVAL;
-}
-
-int
-nvkm_parent_lclass(struct nvkm_object *parent, void *data, int size)
-{
- struct nvif_ioctl_sclass_oclass_v0 *lclass = data;
- struct nvkm_oclass *sclass, *oclass;
- struct nvkm_engine *engine;
- int nr = -1, i;
- u64 mask;
-
- sclass = nv_parent(parent)->sclass;
- while ((oclass = sclass++) && oclass->ofuncs) {
- if (++nr < size) {
- lclass[nr].oclass = oclass->handle;
- lclass[nr].minver = -2;
- lclass[nr].maxver = -2;
- }
- }
-
- mask = nv_parent(parent)->engine;
- while (i = __ffs64(mask), mask) {
- engine = nvkm_engine(parent, i);
- if (engine && (oclass = engine->sclass)) {
- while (oclass->ofuncs) {
- if (++nr < size) {
- lclass[nr].oclass = oclass->handle;
- lclass[nr].minver = -2;
- lclass[nr].maxver = -2;
- }
- oclass++;
- }
- }
-
- mask &= ~(1ULL << i);
- }
-
- return nr + 1;
-}
-
-int
-nvkm_parent_create_(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, u32 pclass,
- struct nvkm_oclass *sclass, u64 engcls,
- int size, void **pobject)
-{
- struct nvkm_parent *object;
- int ret;
-
- ret = nvkm_object_create_(parent, engine, oclass, pclass |
- NV_PARENT_CLASS, size, pobject);
- object = *pobject;
- if (ret)
- return ret;
-
- object->sclass = sclass;
- object->engine = engcls;
- return 0;
-}
-
-void
-nvkm_parent_destroy(struct nvkm_parent *parent)
-{
- nvkm_object_destroy(&parent->object);
-}
-
-
-void
-_nvkm_parent_dtor(struct nvkm_object *object)
-{
- nvkm_parent_destroy(nv_parent(object));
-}
// .sw = gf100_sw_new,
};
-#include <core/parent.h>
#include <core/client.h>
struct nvkm_device *
#include "ctrl.h"
#include <core/client.h>
-#include <core/parent.h>
#include <subdev/fb.h>
#include <subdev/instmem.h>
#include <subdev/timer.h>
}
static int
-nvkm_udevice_child_old(const struct nvkm_oclass *oclass,
- void *data, u32 size, struct nvkm_object **pobject)
-{
- struct nvkm_object *parent = oclass->parent;
- struct nvkm_engine *engine = oclass->engine;
- struct nvkm_oclass *eclass = (void *)oclass->priv;
- struct nvkm_object *engctx = NULL;
- int ret;
-
- if (engine->cclass) {
- ret = nvkm_object_old(parent, &engine->subdev.object,
- engine->cclass, NULL, 0, &engctx);
- if (ret)
- return ret;
- } else {
- nvkm_object_ref(parent, &engctx);
- }
-
- ret = nvkm_object_old(engctx, &engine->subdev.object, eclass,
- data, size, pobject);
- nvkm_object_ref(NULL, &engctx);
- return ret;
-}
-
-static int
nvkm_udevice_child_new(const struct nvkm_oclass *oclass,
void *data, u32 size, struct nvkm_object **pobject)
{
int i;
for (; i = __ffs64(mask), mask && !sclass; mask &= ~(1ULL << i)) {
- if ((engine = nvkm_device_engine(device, i)) &&
- !engine->func) {
- struct nvkm_oclass *sclass = engine->sclass;
- int c = 0;
- while (sclass && sclass->ofuncs) {
- if (c++ == index) {
- oclass->base.oclass = sclass->handle;
- oclass->base.minver = -2;
- oclass->base.maxver = -2;
- oclass->ctor = nvkm_udevice_child_old;
- oclass->priv = sclass;
- oclass->engine = engine;
- return 0;
- }
- sclass++;
- }
- index -= c;
- continue;
- }
-
if (!(engine = nvkm_device_engine(device, i)) ||
!(engine->func->base.sclass))
continue;
};
static int
-nvkm_fifo_chan_child_old(const struct nvkm_oclass *oclass,
- void *data, u32 size, struct nvkm_object **pobject)
-{
- struct nvkm_fifo_chan *chan = nvkm_fifo_chan(oclass->parent);
- struct nvkm_object *parent = &chan->object;
- struct nvkm_engine *engine = oclass->engine;
- struct nvkm_oclass *eclass = (void *)oclass->priv;
- struct nvkm_object *engctx = NULL;
- struct nvkm_fifo_chan_object *object;
- struct nvkm_fifo_engn *engn = &chan->engn[engine->subdev.index];
- int ret;
-
- if (!(object = kzalloc(sizeof(*object), GFP_KERNEL)))
- return -ENOMEM;
- nvkm_oproxy_ctor(&nvkm_fifo_chan_child_func, oclass, &object->oproxy);
- *pobject = &object->oproxy.base;
- object->chan = chan;
-
- if (!engn->refcount++) {
- if (chan->vm)
- atomic_inc(&chan->vm->engref[engine->subdev.index]);
- if (engine->cclass && !engn->object) {
- ret = nvkm_object_old(parent, &engine->subdev.object,
- engine->cclass, NULL, 0,
- &engn->object);
- if (ret) {
- nvkm_engine_unref(&engine);
- return ret;
- }
- } else {
- nvkm_object_ref(parent, &engn->object);
- }
-
- if (chan->func->engine_ctor) {
- ret = chan->func->engine_ctor(chan, engine,
- engn->object);
- if (ret)
- return ret;
- }
- }
- nvkm_object_ref(engn->object, &engctx);
-
- ret = nvkm_object_old(engctx, &engine->subdev.object, eclass,
- data, size, &object->oproxy.object);
- nvkm_object_ref(NULL, &engctx);
- if (ret)
- return ret;
-
- object->oproxy.object->handle = oclass->handle;
-
- if (chan->func->object_ctor) {
- object->hash =
- chan->func->object_ctor(chan, object->oproxy.object);
- if (object->hash < 0)
- return object->hash;
- }
-
- return 0;
-}
-
-static int
nvkm_fifo_chan_child_new(const struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
int ret, i, c;
for (; c = 0, i = __ffs64(mask), mask; mask &= ~(1ULL << i)) {
- if ((engine = nvkm_device_engine(device, i)) &&
- !engine->func) {
- struct nvkm_oclass *sclass = engine->sclass;
- int c = 0;
- while (sclass && sclass->ofuncs) {
- if (c++ == index) {
- oclass->base.oclass = sclass->handle;
- oclass->base.minver = -2;
- oclass->base.maxver = -2;
- oclass->ctor = nvkm_fifo_chan_child_old;
- oclass->priv = sclass;
- oclass->engine = engine;
- return 0;
- }
- sclass++;
- }
- index -= c;
- continue;
- }
-
if (!(engine = nvkm_device_engine(device, i)))
continue;
oclass->engine = engine;
projects / profile / common / platform / kernel / linux-artik7.git / commitdiff