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Commit 6cf813fb authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/device: prepare for new-style subdevs 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 7974dd1b

drivers/gpu/drm/nouveau/include/nvkm/core/device.h

+48 −2
Original line number Diff line number Diff line
@@ -84,9 +84,9 @@ struct nvkm_device { 


	struct nvkm_event event;



	const char *cname;

	u64 disable_mask;



	const struct nvkm_device_chip *chip;

	enum {

		NV_04    = 0x04,

		NV_10    = 0x10,
@@ -104,7 +104,6 @@ struct nvkm_device { 
	u32 crystal;



	struct nvkm_oclass *oclass[NVDEV_SUBDEV_NR];

	struct nvkm_object *subdev[NVDEV_SUBDEV_NR];



	struct {

		struct notifier_block nb;
@@ -153,6 +152,9 @@ struct nvkm_device { 
	struct nouveau_platform_gpu *gpu;

};



struct nvkm_subdev *nvkm_device_subdev(struct nvkm_device *, int index);

struct nvkm_engine *nvkm_device_engine(struct nvkm_device *, int index);



struct nvkm_device_func {

	struct nvkm_device_pci *(*pci)(struct nvkm_device *);

	struct nvkm_device_tegra *(*tegra)(struct nvkm_device *);
@@ -164,6 +166,50 @@ struct nvkm_device_func { 
struct nvkm_device_quirk {

};



struct nvkm_device_chip {

	const char *name;



	int (*bar    )(struct nvkm_device *, int idx, struct nvkm_bar **);

	int (*bios   )(struct nvkm_device *, int idx, struct nvkm_bios **);

	int (*bus    )(struct nvkm_device *, int idx, struct nvkm_bus **);

	int (*clk    )(struct nvkm_device *, int idx, struct nvkm_clk **);

	int (*devinit)(struct nvkm_device *, int idx, struct nvkm_devinit **);

	int (*fb     )(struct nvkm_device *, int idx, struct nvkm_fb **);

	int (*fuse   )(struct nvkm_device *, int idx, struct nvkm_fuse **);

	int (*gpio   )(struct nvkm_device *, int idx, struct nvkm_gpio **);

	int (*i2c    )(struct nvkm_device *, int idx, struct nvkm_i2c **);

	int (*ibus   )(struct nvkm_device *, int idx, struct nvkm_subdev **);

	int (*imem   )(struct nvkm_device *, int idx, struct nvkm_instmem **);

	int (*ltc    )(struct nvkm_device *, int idx, struct nvkm_ltc **);

	int (*mc     )(struct nvkm_device *, int idx, struct nvkm_mc **);

	int (*mmu    )(struct nvkm_device *, int idx, struct nvkm_mmu **);

	int (*mxm    )(struct nvkm_device *, int idx, struct nvkm_subdev **);

	int (*pmu    )(struct nvkm_device *, int idx, struct nvkm_pmu **);

	int (*therm  )(struct nvkm_device *, int idx, struct nvkm_therm **);

	int (*timer  )(struct nvkm_device *, int idx, struct nvkm_timer **);

	int (*volt   )(struct nvkm_device *, int idx, struct nvkm_volt **);



	int (*bsp    )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*ce[3]  )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*cipher )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*disp   )(struct nvkm_device *, int idx, struct nvkm_disp **);

	int (*dma    )(struct nvkm_device *, int idx, struct nvkm_dmaeng **);

	int (*fifo   )(struct nvkm_device *, int idx, struct nvkm_fifo **);

	int (*gr     )(struct nvkm_device *, int idx, struct nvkm_gr **);

	int (*ifb    )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*me     )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*mpeg   )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*msenc  )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*mspdec )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*msppp  )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*msvld  )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*pm     )(struct nvkm_device *, int idx, struct nvkm_pm **);

	int (*sec    )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*sw     )(struct nvkm_device *, int idx, struct nvkm_sw **);

	int (*vic    )(struct nvkm_device *, int idx, struct nvkm_engine **);

	int (*vp     )(struct nvkm_device *, int idx, struct nvkm_engine **);

};



struct nvkm_device *nvkm_device_find(u64 name);

int nvkm_device_list(u64 *name, int size);

drivers/gpu/drm/nouveau/nvkm/core/engine.c

+10 −0
Original line number Diff line number Diff line
@@ -68,6 +68,8 @@ static int 
nvkm_engine_fini(struct nvkm_subdev *obj, bool suspend)

{

	struct nvkm_engine *engine = container_of(obj, typeof(*engine), subdev);

	if (engine->subdev.object.oclass)

		return engine->subdev.object.oclass->ofuncs->fini(&engine->subdev.object, suspend);

	if (engine->func->fini)

		return engine->func->fini(engine, suspend);

	return 0;
@@ -86,6 +88,9 @@ nvkm_engine_init(struct nvkm_subdev *obj) 
		return ret;

	}



	if (engine->subdev.object.oclass)

		return engine->subdev.object.oclass->ofuncs->init(&engine->subdev.object);



	if (engine->func->oneinit && !engine->subdev.oneinit) {

		nvkm_trace(subdev, "one-time init running...\n");

		time = ktime_to_us(ktime_get());
@@ -110,6 +115,10 @@ static void * 
nvkm_engine_dtor(struct nvkm_subdev *obj)

{

	struct nvkm_engine *engine = container_of(obj, typeof(*engine), subdev);

	if (engine->subdev.object.oclass) {

		engine->subdev.object.oclass->ofuncs->dtor(&engine->subdev.object);

		return NULL;

	}

	if (engine->func->dtor)

		return engine->func->dtor(engine);

	return engine;
@@ -201,5 +210,6 @@ nvkm_engine_create_(struct nvkm_object *parent, struct nvkm_object *engobj, 


	INIT_LIST_HEAD(&engine->contexts);

	spin_lock_init(&engine->lock);

	engine->subdev.func = &nvkm_engine_func;

	return 0;

}

drivers/gpu/drm/nouveau/nvkm/core/ioctl.c

+14 −11
Original line number Diff line number Diff line
@@ -91,7 +91,7 @@ nvkm_ioctl_new(struct nvkm_handle *handle, void *data, u32 size) 
	struct nvkm_object *engctx = NULL;

	struct nvkm_object *object = NULL;

	struct nvkm_parent *parent;

	struct nvkm_object *engine;

	struct nvkm_engine *engine;

	struct nvkm_oclass *oclass;

	u32 _handle, _oclass;

	int ret;
@@ -117,7 +117,8 @@ nvkm_ioctl_new(struct nvkm_handle *handle, void *data, u32 size) 
	parent = nv_parent(handle->object);



	/* check that parent supports the requested subclass */

	ret = nvkm_parent_sclass(&parent->object, _oclass, &engine, &oclass);

	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;
@@ -128,18 +129,20 @@ nvkm_ioctl_new(struct nvkm_handle *handle, void *data, u32 size) 
	 * state calculated at init (ie. default context construction)

	 */

	if (engine) {

		ret = nvkm_object_inc(engine);

		if (ret)

		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 && nv_engine(engine)->cclass) {

		ret = nvkm_object_old(&parent->object, engine,

				       nv_engine(engine)->cclass,

				       data, size, &engctx);

	if (engine && engine->cclass) {

		ret = nvkm_object_old(&parent->object, &engine->subdev.object,

				      engine->cclass, data, size, &engctx);

		if (ret)

			goto fail_engctx;

	} else {
@@ -147,7 +150,8 @@ nvkm_ioctl_new(struct nvkm_handle *handle, void *data, u32 size) 
	}



	/* finally, create new object and bind it to its handle */

	ret = nvkm_object_old(engctx, engine, oclass, data, size, &object);

	ret = nvkm_object_old(engctx, &engine->subdev.object, oclass,

			      data, size, &object);

	client->data = object;

	if (ret)

		goto fail_ctor;
@@ -178,8 +182,7 @@ nvkm_ioctl_new(struct nvkm_handle *handle, void *data, u32 size) 
fail_ctor:

	nvkm_object_ref(NULL, &engctx);

fail_engctx:

	if (engine)

		nvkm_object_dec(engine, false);

	nvkm_engine_unref(&engine);

fail_class:

	return ret;

}

drivers/gpu/drm/nouveau/nvkm/core/object.c

+8 −40
Original line number Diff line number Diff line
@@ -201,6 +201,7 @@ nvkm_object_del(struct nvkm_object **pobject) 
	if (object && !WARN_ON(!object->func)) {

		if (object->func->dtor)

			*pobject = object->func->dtor(object);

		nvkm_engine_unref(&object->engine);

		kfree(*pobject);

		*pobject = NULL;

	}
@@ -212,7 +213,7 @@ nvkm_object_ctor(const struct nvkm_object_func *func, 
{

	object->func = func;

	object->client = oclass->client;

	object->engine = oclass->engine;

	object->engine = nvkm_engine_ref(oclass->engine);

	object->oclass_name = oclass->base.oclass;

	object->handle = oclass->handle;

	object->parent = oclass->parent;
@@ -251,10 +252,11 @@ nvkm_object_new(const struct nvkm_oclass *oclass, void *data, u32 size, 
}



int

nvkm_object_create_(struct nvkm_object *parent, struct nvkm_object *engine,

nvkm_object_create_(struct nvkm_object *parent, struct nvkm_object *engobj,

		    struct nvkm_oclass *oclass, u32 pclass,

		    int size, void **pobject)

{

	struct nvkm_engine *engine = engobj ? nv_engine(engobj) : NULL;

	struct nvkm_object *object;



	object = *pobject = kzalloc(size, GFP_KERNEL);
@@ -262,7 +264,7 @@ nvkm_object_create_(struct nvkm_object *parent, struct nvkm_object *engine, 
		return -ENOMEM;



	nvkm_object_ref(parent, &object->parent);

	nvkm_object_ref(engine, (struct nvkm_object **)&object->engine);

	object->engine = nvkm_engine_ref(engine);

	object->oclass = oclass;

	object->pclass = pclass;

	atomic_set(&object->refcount, 1);
@@ -287,7 +289,7 @@ _nvkm_object_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 
void

nvkm_object_destroy(struct nvkm_object *object)

{

	nvkm_object_ref(NULL, (struct nvkm_object **)&object->engine);

	nvkm_engine_unref(&object->engine);

	nvkm_object_ref(NULL, &object->parent);

	kfree(object);

}
@@ -333,6 +335,7 @@ nvkm_object_old(struct nvkm_object *parent, struct nvkm_object *engine, 
	}



	if (ret == 0) {

		if (!nv_iclass(object, NV_SUBDEV_CLASS))

			atomic_set(&object->refcount, 1);

	}
@@ -370,14 +373,6 @@ nvkm_object_inc(struct nvkm_object *object) 
			goto fail_parent;

	}



	if (object->engine) {

		mutex_lock(&nv_subdev(object->engine)->mutex);

		ret = nvkm_object_inc(&object->engine->subdev.object);

		mutex_unlock(&nv_subdev(object->engine)->mutex);

		if (ret)

			goto fail_engine;

	}



	ret = nvkm_object_init(object);

	atomic_set(&object->usecount, 1);

	if (ret)
@@ -386,12 +381,6 @@ nvkm_object_inc(struct nvkm_object *object) 
	return 0;



fail_self:

	if (object->engine) {

		mutex_lock(&nv_subdev(object->engine)->mutex);

		nvkm_object_dec(&object->engine->subdev.object, false);

		mutex_unlock(&nv_subdev(object->engine)->mutex);

	}

fail_engine:

	if (object->parent)

		 nvkm_object_dec(object->parent, false);

fail_parent:
@@ -405,12 +394,6 @@ nvkm_object_decf(struct nvkm_object *object) 
	nvkm_object_fini(object, false);

	atomic_set(&object->usecount, 0);



	if (object->engine) {

		mutex_lock(&nv_subdev(object->engine)->mutex);

		nvkm_object_dec(&object->engine->subdev.object, false);

		mutex_unlock(&nv_subdev(object->engine)->mutex);

	}



	if (object->parent)

		nvkm_object_dec(object->parent, false);
@@ -427,14 +410,6 @@ nvkm_object_decs(struct nvkm_object *object) 
	if (ret)

		return ret;



	if (object->engine) {

		mutex_lock(&nv_subdev(object->engine)->mutex);

		ret = nvkm_object_dec(&object->engine->subdev.object, true);

		mutex_unlock(&nv_subdev(object->engine)->mutex);

		if (ret)

			goto fail_engine;

	}



	if (object->parent) {

		ret = nvkm_object_dec(object->parent, true);

		if (ret)
@@ -444,13 +419,6 @@ nvkm_object_decs(struct nvkm_object *object) 
	return 0;



fail_parent:

	if (object->engine) {

		mutex_lock(&nv_subdev(object->engine)->mutex);

		nvkm_object_inc(&object->engine->subdev.object);

		mutex_unlock(&nv_subdev(object->engine)->mutex);

	}



fail_engine:

	nvkm_object_init(object);



	return ret;

drivers/gpu/drm/nouveau/nvkm/core/subdev.c

+34 −5
Original line number Diff line number Diff line
@@ -74,6 +74,12 @@ nvkm_subdev_name[64] = { 
void

nvkm_subdev_intr(struct nvkm_subdev *subdev)

{

	if (subdev->object.oclass) {

		if (subdev->intr)

			subdev->intr(subdev);

		return;

	}



	if (subdev->func->intr)

		subdev->func->intr(subdev);

}
@@ -85,10 +91,18 @@ nvkm_subdev_fini(struct nvkm_subdev *subdev, bool suspend) 
	const char *action = suspend ? "suspend" : "fini";

	u32 pmc_enable = subdev->pmc_enable;

	s64 time;

	int ret;



	nvkm_trace(subdev, "%s running...\n", action);

	time = ktime_to_us(ktime_get());



	if (!subdev->func) {

		ret = subdev->object.oclass->ofuncs->fini(&subdev->object, suspend);

		if (ret)

			return ret;

		goto done;

	}



	if (subdev->func->fini) {

		int ret = subdev->func->fini(subdev, suspend);

		if (ret) {
@@ -104,6 +118,7 @@ nvkm_subdev_fini(struct nvkm_subdev *subdev, bool suspend) 
		nvkm_rd32(device, 0x000200);

	}



done:

	time = ktime_to_us(ktime_get()) - time;

	nvkm_trace(subdev, "%s completed in %lldus\n", action, time);

	return 0;
@@ -117,7 +132,7 @@ nvkm_subdev_preinit(struct nvkm_subdev *subdev) 
	nvkm_trace(subdev, "preinit running...\n");

	time = ktime_to_us(ktime_get());



	if (subdev->func->preinit) {

	if (!subdev->object.oclass && subdev->func->preinit) {

		int ret = subdev->func->preinit(subdev);

		if (ret) {

			nvkm_error(subdev, "preinit failed, %d\n", ret);
@@ -139,6 +154,13 @@ nvkm_subdev_init(struct nvkm_subdev *subdev) 
	nvkm_trace(subdev, "init running...\n");

	time = ktime_to_us(ktime_get());



	if (!subdev->func) {

		ret = subdev->object.oclass->ofuncs->init(&subdev->object);

		if (ret)

			return ret;

		goto done;

	}



	if (subdev->func->oneinit && !subdev->oneinit) {

		s64 time;

		nvkm_trace(subdev, "one-time init running...\n");
@@ -162,6 +184,7 @@ nvkm_subdev_init(struct nvkm_subdev *subdev) 
		}

	}



done:

	time = ktime_to_us(ktime_get()) - time;

	nvkm_trace(subdev, "init completed in %lldus\n", time);

	return 0;
@@ -172,6 +195,12 @@ nvkm_subdev_del(struct nvkm_subdev **psubdev) 
{

	struct nvkm_subdev *subdev = *psubdev;

	s64 time;



	if (subdev && subdev->object.oclass) {

		subdev->object.oclass->ofuncs->dtor(&subdev->object);

		return;

	}



	if (subdev && !WARN_ON(!subdev->func)) {

		nvkm_trace(subdev, "destroy running...\n");

		time = ktime_to_us(ktime_get());
@@ -211,8 +240,10 @@ nvkm_subdev(void *obj, int idx) 
	struct nvkm_object *object = nv_object(obj);

	while (object && !nv_iclass(object, NV_SUBDEV_CLASS))

		object = object->parent;

	if (object == NULL || !object->parent || nv_subidx(nv_subdev(object)) != idx)

		object = nv_device(obj)->subdev[idx];

	if (object == NULL || !object->parent || nv_subidx(nv_subdev(object)) != idx) {

		struct nvkm_device *device = nv_device(obj);

		return nvkm_device_subdev(device, idx);

	}

	return object ? nv_subdev(object) : NULL;

}
@@ -266,8 +297,6 @@ _nvkm_subdev_fini(struct nvkm_object *object, bool suspend) 
void

nvkm_subdev_destroy(struct nvkm_subdev *subdev)

{

	int subidx = nv_hclass(subdev) & 0xff;

	nv_device(subdev)->subdev[subidx] = NULL;

	nvkm_object_destroy(&subdev->object);

}