diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c index 4a01afe..3567c99 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c @@ -90,6 +90,31 @@ nvkm_fifo_chan_chid(struct nvkm_fifo *fifo, int chid, unsigned long *rflags) return NULL; } +void +nvkm_fifo_kevent(struct nvkm_fifo *fifo, int chid) +{ + nvkm_event_send(&fifo->kevent, 1, chid, NULL, 0); +} + +static int +nvkm_fifo_kevent_ctor(struct nvkm_object *object, void *data, u32 size, + struct nvkm_notify *notify) +{ + struct nvkm_fifo_chan *chan = nvkm_fifo_chan(object); + if (size == 0) { + notify->size = 0; + notify->types = 1; + notify->index = chan->chid; + return 0; + } + return -ENOSYS; +} + +static const struct nvkm_event_func +nvkm_fifo_kevent_func = { + .ctor = nvkm_fifo_kevent_ctor, +}; + static int nvkm_fifo_cevent_ctor(struct nvkm_object *object, void *data, u32 size, struct nvkm_notify *notify) @@ -247,6 +272,7 @@ nvkm_fifo_dtor(struct nvkm_engine *engine) void *data = fifo; if (fifo->func->dtor) data = fifo->func->dtor(fifo); + nvkm_event_fini(&fifo->kevent); nvkm_event_fini(&fifo->cevent); nvkm_event_fini(&fifo->uevent); return data; @@ -289,5 +315,9 @@ nvkm_fifo_ctor(const struct nvkm_fifo_func *func, struct nvkm_device *device, return ret; } - return nvkm_event_init(&nvkm_fifo_cevent_func, 1, 1, &fifo->cevent); + ret = nvkm_event_init(&nvkm_fifo_cevent_func, 1, 1, &fifo->cevent); + if (ret) + return ret; + + return nvkm_event_init(&nvkm_fifo_kevent_func, 1, nr, &fifo->kevent); } |