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drm/nouveau/gr/gf100-: subclass nvkm_object to store channel pointer

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2015-12-15 19:22:49 +10:00
parent f01c4e682c
commit 5bf561eeca
1 changed files with 28 additions and 0 deletions
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28
drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
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@ -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;
}
}