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Commit 102b49da authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/parent: remove some (now) unnecessary special-case handling 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 493f189d

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

+1 −7
Original line number Diff line number Diff line
@@ -2,16 +2,10 @@ 
#define __NVKM_PARENT_H__

#include <core/object.h>



struct nvkm_sclass {

	struct nvkm_sclass *sclass;

	struct nvkm_engine *engine;

	struct nvkm_oclass *oclass;

};



struct nvkm_parent {

	struct nvkm_object object;



	struct nvkm_sclass *sclass;

	struct nvkm_oclass *sclass;

	u64 engine;



	int  (*context_attach)(struct nvkm_object *, struct nvkm_object *);

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

+13 −42
Original line number Diff line number Diff line
@@ -30,35 +30,27 @@ nvkm_parent_sclass(struct nvkm_object *parent, u16 handle, 
		   struct nvkm_object **pengine,

		   struct nvkm_oclass **poclass)

{

	struct nvkm_sclass *sclass;

	struct nvkm_oclass *sclass, *oclass;

	struct nvkm_engine *engine;

	struct nvkm_oclass *oclass;

	u64 mask;

	int i;



	sclass = nv_parent(parent)->sclass;

	while (sclass) {

		if ((sclass->oclass->handle & 0xffff) == handle) {

	while ((oclass = sclass++) && oclass->ofuncs) {

		if (oclass->handle == handle) {

			*pengine = &parent->engine->subdev.object;

			*poclass = sclass->oclass;

			*poclass = oclass;

			return 0;

		}



		sclass = sclass->sclass;

	}



	mask = nv_parent(parent)->engine;

	while (mask) {

		int i = __ffs64(mask);



		if (nv_iclass(parent, NV_CLIENT_CLASS))

			engine = nv_engine(nv_client(parent)->device);

		else

	while (i = __ffs64(mask), mask) {

		engine = nvkm_engine(parent, i);



		if (engine) {

			oclass = engine->sclass;

			while (oclass->ofuncs) {

				if ((oclass->handle & 0xffff) == handle) {

				if (oclass->handle == handle) {

					*pengine = nv_object(engine);

					*poclass = oclass;

					return 0;
@@ -76,17 +68,15 @@ nvkm_parent_sclass(struct nvkm_object *parent, u16 handle, 
int

nvkm_parent_lclass(struct nvkm_object *parent, u32 *lclass, int size)

{

	struct nvkm_sclass *sclass;

	struct nvkm_oclass *sclass, *oclass;

	struct nvkm_engine *engine;

	struct nvkm_oclass *oclass;

	int nr = -1, i;

	u64 mask;



	sclass = nv_parent(parent)->sclass;

	while (sclass) {

	while ((oclass = sclass++) && oclass->ofuncs) {

		if (++nr < size)

			lclass[nr] = sclass->oclass->handle & 0xffff;

		sclass = sclass->sclass;

			lclass[nr] = oclass->handle;

	}



	mask = nv_parent(parent)->engine;
@@ -95,7 +85,7 @@ nvkm_parent_lclass(struct nvkm_object *parent, u32 *lclass, int size) 
		if (engine && (oclass = engine->sclass)) {

			while (oclass->ofuncs) {

				if (++nr < size)

					lclass[nr] = oclass->handle & 0xffff;

					lclass[nr] = oclass->handle;

				oclass++;

			}

		}
@@ -113,7 +103,6 @@ nvkm_parent_create_(struct nvkm_object *parent, struct nvkm_object *engine, 
		    int size, void **pobject)

{

	struct nvkm_parent *object;

	struct nvkm_sclass *nclass;

	int ret;



	ret = nvkm_object_create_(parent, engine, oclass, pclass |
@@ -122,18 +111,7 @@ nvkm_parent_create_(struct nvkm_object *parent, struct nvkm_object *engine, 
	if (ret)

		return ret;



	while (sclass && sclass->ofuncs) {

		nclass = kzalloc(sizeof(*nclass), GFP_KERNEL);

		if (!nclass)

			return -ENOMEM;



		nclass->sclass = object->sclass;

		object->sclass = nclass;

		nclass->engine = engine ? nv_engine(engine) : NULL;

		nclass->oclass = sclass;

		sclass++;

	}



	object->sclass = sclass;

	object->engine = engcls;

	return 0;

}
@@ -141,13 +119,6 @@ nvkm_parent_create_(struct nvkm_object *parent, struct nvkm_object *engine, 
void

nvkm_parent_destroy(struct nvkm_parent *parent)

{

	struct nvkm_sclass *sclass;



	while ((sclass = parent->sclass)) {

		parent->sclass = sclass->sclass;

		kfree(sclass);

	}



	nvkm_object_destroy(&parent->object);

}