diff options
author | Ben Skeggs <bskeggs@redhat.com> | 2023-09-18 23:21:47 +0300 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2023-10-31 08:08:18 +0300 |
commit | 08ab88f5a033c67625272eda99de4d245809e0f6 (patch) | |
tree | 94765c5eea3655cad7f4f5da5363ae17a651b711 /drivers/gpu/drm/nouveau/nvkm/engine/nvenc/r535.c | |
parent | 142cd60243cac1dfa18d3714ed4dd0cdc3786180 (diff) | |
download | linux-08ab88f5a033c67625272eda99de4d245809e0f6.tar.xz |
drm/nouveau/nvenc/r535: initial support
Adds support for allocating VIDEO_ENCODER classes from RM.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-43-skeggsb@gmail.com
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/nvenc/r535.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/nvenc/r535.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/nvenc/r535.c b/drivers/gpu/drm/nouveau/nvkm/engine/nvenc/r535.c new file mode 100644 index 000000000000..8449b41c72db --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/nvenc/r535.c @@ -0,0 +1,110 @@ +/* + * Copyright 2023 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#include "priv.h" + +#include <core/object.h> +#include <subdev/gsp.h> +#include <engine/fifo.h> + +#include <nvrm/nvtypes.h> +#include <nvrm/535.54.03/common/sdk/nvidia/inc/nvos.h> + +struct r535_nvenc_obj { + struct nvkm_object object; + struct nvkm_gsp_object rm; +}; + +static void * +r535_nvenc_obj_dtor(struct nvkm_object *object) +{ + struct r535_nvenc_obj *obj = container_of(object, typeof(*obj), object); + + nvkm_gsp_rm_free(&obj->rm); + return obj; +} + +static const struct nvkm_object_func +r535_nvenc_obj = { + .dtor = r535_nvenc_obj_dtor, +}; + +static int +r535_nvenc_obj_ctor(const struct nvkm_oclass *oclass, void *argv, u32 argc, + struct nvkm_object **pobject) +{ + struct nvkm_chan *chan = nvkm_uchan_chan(oclass->parent); + struct r535_nvenc_obj *obj; + NV_MSENC_ALLOCATION_PARAMETERS *args; + + if (!(obj = kzalloc(sizeof(*obj), GFP_KERNEL))) + return -ENOMEM; + + nvkm_object_ctor(&r535_nvenc_obj, oclass, &obj->object); + *pobject = &obj->object; + + args = nvkm_gsp_rm_alloc_get(&chan->rm.object, oclass->handle, oclass->base.oclass, + sizeof(*args), &obj->rm); + if (WARN_ON(IS_ERR(args))) + return PTR_ERR(args); + + args->size = sizeof(*args); + args->engineInstance = oclass->engine->subdev.inst; + + return nvkm_gsp_rm_alloc_wr(&obj->rm, args); +} + +static void * +r535_nvenc_dtor(struct nvkm_engine *engine) +{ + struct nvkm_nvenc *nvenc = nvkm_nvenc(engine); + + kfree(nvenc->engine.func); + return nvenc; +} + +int +r535_nvenc_new(const struct nvkm_engine_func *hw, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, struct nvkm_nvenc **pnvenc) +{ + struct nvkm_engine_func *rm; + int nclass; + + for (nclass = 0; hw->sclass[nclass].oclass; nclass++); + + if (!(rm = kzalloc(sizeof(*rm) + (nclass + 1) * sizeof(rm->sclass[0]), GFP_KERNEL))) + return -ENOMEM; + + rm->dtor = r535_nvenc_dtor; + for (int i = 0; i < nclass; i++) { + rm->sclass[i].minver = hw->sclass[i].minver; + rm->sclass[i].maxver = hw->sclass[i].maxver; + rm->sclass[i].oclass = hw->sclass[i].oclass; + rm->sclass[i].ctor = r535_nvenc_obj_ctor; + } + + if (!(*pnvenc = kzalloc(sizeof(**pnvenc), GFP_KERNEL))) { + kfree(rm); + return -ENOMEM; + } + + return nvkm_engine_ctor(rm, device, type, inst, true, &(*pnvenc)->engine); +} |