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; }
int nv50_software_mthd_vblsem_release(struct nouveau_object *object, u32 mthd, void *args, u32 size) { struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); u32 head = *(u32 *)args; if (head >= chan->vblank.nr_event) return -EINVAL; nouveau_event_get(chan->vblank.event[head]); 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); 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; }