static void
nouveau_drm_vblank_disable(struct drm_device *dev, int head)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_disp *pdisp = nouveau_disp(drm->device);
nouveau_event_put(pdisp->vblank, head, &drm->vblank);
}
int
nv50_software_context_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nouveau_disp *pdisp = nouveau_disp(parent);
struct nv50_software_cclass *pclass = (void *)oclass;
struct nv50_software_chan *chan;
int ret, i;
ret = nouveau_software_context_create(parent, engine, oclass, &chan);
*pobject = nv_object(chan);
if (ret)
return ret;
chan->vblank.nr_event = pdisp ? pdisp->vblank->index_nr : 0;
chan->vblank.event = kzalloc(chan->vblank.nr_event *
sizeof(*chan->vblank.event), GFP_KERNEL);
if (!chan->vblank.event)
return -ENOMEM;
for (i = 0; i < chan->vblank.nr_event; i++) {
ret = nouveau_event_new(pdisp->vblank, i, pclass->vblank,
chan, &chan->vblank.event[i]);
if (ret)
return ret;
}
chan->vblank.channel = nv_gpuobj(parent->parent)->addr >> 12;
return 0;
}
static int
nouveau_drm_vblank_enable(struct drm_device *dev, int head)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_disp *pdisp = nouveau_disp(drm->device);
nouveau_event_get(pdisp->vblank, head, &drm->vblank);
return 0;
}
static void
nouveau_drm_vblank_disable(struct drm_device *dev, int head)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_disp *pdisp = nouveau_disp(drm->device);
if (drm->vblank[head].func)
nouveau_event_put(pdisp->vblank, head, &drm->vblank[head]);
else
WARN_ON_ONCE(1);
drm->vblank[head].func = NULL;
}
static int
nouveau_drm_vblank_enable(struct drm_device *dev, int head)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_disp *pdisp = nouveau_disp(drm->device);
if (WARN_ON_ONCE(head > ARRAY_SIZE(drm->vblank)))
return -EIO;
WARN_ON_ONCE(drm->vblank[head].func);
drm->vblank[head].func = nouveau_drm_vblank_handler;
nouveau_event_get(pdisp->vblank, head, &drm->vblank[head]);
return 0;
}
static int
nvc0_software_mthd_vblsem_release(struct nouveau_object *object, u32 mthd,
void *args, u32 size)
{
struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent);
struct nouveau_disp *disp = nouveau_disp(object);
u32 crtc = *(u32 *)args;
if ((nv_device(object)->card_type < NV_E0 && crtc > 1) || crtc > 3)
return -EINVAL;
nouveau_event_get(disp->vblank, crtc, &chan->base.vblank.event);
return 0;
}
