drm/nouveau/gr/gf100-: subclass nvkm_object to store channel pointer (5bf561ee) · Commits · 戴 / test

drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c

+28 −0

Original line number	Diff line number	Diff line
		@@ -140,6 +140,12 @@ gf100_gr_zbc_depth_get(struct gf100_gr *gr, int format,
		/*******************************************************************************
		* Graphics object classes
		******************************************************************************/
		#define gf100_gr_object(p) container_of((p), struct gf100_gr_object, object)

		struct gf100_gr_object {
		struct nvkm_object object;
		struct gf100_gr_chan *chan;
		};

		static int
		gf100_fermi_mthd_zbc_color(struct nvkm_object object, void data, u32 size)
		@@ -258,6 +264,27 @@ gf100_gr_mthd_sw(struct nvkm_device *device, u16 class, u32 mthd, u32 data)
		return false;
		}

		static const struct nvkm_object_func
		gf100_gr_object_func = {
		};

		static int
		gf100_gr_object_new(const struct nvkm_oclass oclass, void data, u32 size,
		struct nvkm_object **pobject)
		{
		struct gf100_gr_chan *chan = gf100_gr_chan(oclass->parent);
		struct gf100_gr_object *object;

		if (!(object = kzalloc(sizeof(*object), GFP_KERNEL)))
		return -ENOMEM;
		*pobject = &object->object;

		nvkm_object_ctor(oclass->base.func ? oclass->base.func :
		&gf100_gr_object_func, oclass, &object->object);
		object->chan = chan;
		return 0;
		}

		static int
		gf100_gr_object_get(struct nvkm_gr base, int index, struct nvkm_sclass sclass)
		{
		@@ -267,6 +294,7 @@ gf100_gr_object_get(struct nvkm_gr base, int index, struct nvkm_sclass sclass)
		while (gr->func->sclass[c].oclass) {
		if (c++ == index) {
		*sclass = gr->func->sclass[index];
		sclass->ctor = gf100_gr_object_new;
		return index;
		}
		}