diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/fifo/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/fifo/base.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/base.c b/drivers/gpu/drm/nouveau/core/engine/fifo/base.c index 0def249..0f999fc 100644 --- a/drivers/gpu/drm/nouveau/core/engine/fifo/base.c +++ b/drivers/gpu/drm/nouveau/core/engine/fifo/base.c @@ -28,6 +28,7 @@ #include <core/event.h> #include <nvif/unpack.h> #include <nvif/class.h> +#include <nvif/event.h> #include <engine/dmaobj.h> #include <engine/fifo.h> @@ -168,6 +169,49 @@ _nouveau_fifo_channel_wr32(struct nouveau_object *object, u64 addr, u32 data) iowrite32_native(data, chan->user + addr); } +int +nouveau_fifo_uevent_ctor(void *data, u32 size, struct nvkm_notify *notify) +{ + union { + struct nvif_notify_uevent_req none; + } *req = data; + int ret; + + if (nvif_unvers(req->none)) { + notify->size = sizeof(struct nvif_notify_uevent_rep); + notify->types = 1; + notify->index = 0; + } + + return ret; +} + +void +nouveau_fifo_uevent(struct nouveau_fifo *fifo) +{ + struct nvif_notify_uevent_rep rep = { + }; + nvkm_event_send(&fifo->uevent, 1, 0, &rep, sizeof(rep)); +} + +int +_nouveau_fifo_channel_ntfy(struct nouveau_object *object, u32 type, + struct nvkm_event **event) +{ + struct nouveau_fifo *fifo = (void *)object->engine; + switch (type) { + case G82_CHANNEL_DMA_V0_NTFY_UEVENT: + if (nv_mclass(object) >= G82_CHANNEL_DMA) { + *event = &fifo->uevent; + return 0; + } + break; + default: + break; + } + return -EINVAL; +} + static int nouveau_fifo_chid(struct nouveau_fifo *priv, struct nouveau_object *object) { |