diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/ioctl.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/ioctl.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c index 45f920da89af..b42d0bf2c492 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/ioctl.c @@ -47,6 +47,26 @@ nvkm_ioctl_nop(struct nvkm_client *client, return ret; } +#include <nvif/class.h> + +static int +nvkm_ioctl_sclass_(struct nvkm_object *object, int index, struct nvkm_oclass *oclass) +{ + if ( object->func->uevent && + !object->func->uevent(object, NULL, 0, NULL) && index-- == 0) { + oclass->ctor = nvkm_uevent_new; + oclass->base.minver = 0; + oclass->base.maxver = 0; + oclass->base.oclass = NVIF_CLASS_EVENT; + return 0; + } + + if (object->func->sclass) + return object->func->sclass(object, index, oclass); + + return -ENOSYS; +} + static int nvkm_ioctl_sclass(struct nvkm_client *client, struct nvkm_object *object, void *data, u32 size) @@ -64,8 +84,7 @@ nvkm_ioctl_sclass(struct nvkm_client *client, if (size != args->v0.count * sizeof(args->v0.oclass[0])) return -EINVAL; - while (object->func->sclass && - object->func->sclass(object, i, &oclass) >= 0) { + while (nvkm_ioctl_sclass_(object, i, &oclass) >= 0) { if (i < args->v0.count) { args->v0.oclass[i].oclass = oclass.base.oclass; args->v0.oclass[i].minver = oclass.base.minver; @@ -100,7 +119,7 @@ nvkm_ioctl_new(struct nvkm_client *client, } else return ret; - if (!parent->func->sclass) { + if (!parent->func->sclass && !parent->func->uevent) { nvif_ioctl(parent, "cannot have children\n"); return -EINVAL; } @@ -113,7 +132,7 @@ nvkm_ioctl_new(struct nvkm_client *client, oclass.object = args->v0.object; oclass.client = client; oclass.parent = parent; - ret = parent->func->sclass(parent, i++, &oclass); + ret = nvkm_ioctl_sclass_(parent, i++, &oclass); if (ret) return ret; } while (oclass.base.oclass != args->v0.oclass); |