Files
linux/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/client.c
Ben Skeggs 1b9d7b9df8 drm/nouveau/gsp: add common client alloc code
570.144 has incompatible changes to NV0000_ALLOC_PARAMETERS.

Factor out the common code so it can be shared.

Signed-off-by: Ben Skeggs <bskeggs@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2025-05-19 06:29:26 +10:00

50 lines
1.0 KiB
C

/* SPDX-License-Identifier: MIT
*
* Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
*/
#include "rm.h"
void
nvkm_gsp_client_dtor(struct nvkm_gsp_client *client)
{
const unsigned int id = client->object.handle - NVKM_RM_CLIENT(0);
struct nvkm_gsp *gsp = client->gsp;
if (!gsp)
return;
if (client->object.client)
nvkm_gsp_rm_free(&client->object);
mutex_lock(&gsp->client_id.mutex);
idr_remove(&gsp->client_id.idr, id);
mutex_unlock(&gsp->client_id.mutex);
client->gsp = NULL;
}
int
nvkm_gsp_client_ctor(struct nvkm_gsp *gsp, struct nvkm_gsp_client *client)
{
int id, ret;
if (WARN_ON(!gsp->rm))
return -ENOSYS;
mutex_lock(&gsp->client_id.mutex);
id = idr_alloc(&gsp->client_id.idr, client, 0, NVKM_RM_CLIENT_MASK + 1, GFP_KERNEL);
mutex_unlock(&gsp->client_id.mutex);
if (id < 0)
return id;
client->gsp = gsp;
client->object.client = client;
INIT_LIST_HEAD(&client->events);
ret = gsp->rm->api->client->ctor(client, NVKM_RM_CLIENT(id));
if (ret)
nvkm_gsp_client_dtor(client);
return ret;
}