open-gpu-kernel-modules/kernel-open/nvidia-drm/nvidia-drm.c
2022-05-09 13:18:59 -07:00

60 lines
1.9 KiB
C

/*
* Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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 "nvidia-drm.h"
#if defined(NV_DRM_AVAILABLE)
#include "nvidia-drm-priv.h"
#include "nvidia-drm-drv.h"
static struct NvKmsKapiFunctionsTable nvKmsFuncsTable = {
.versionString = NV_VERSION_STRING,
};
const struct NvKmsKapiFunctionsTable* const nvKms = &nvKmsFuncsTable;
#endif
int nv_drm_init(void)
{
#if defined(NV_DRM_AVAILABLE)
if (!nvKmsKapiGetFunctionsTable(&nvKmsFuncsTable)) {
NV_DRM_LOG_ERR(
"Version mismatch: nvidia-modeset.ko(%s) nvidia-drm.ko(%s)",
nvKmsFuncsTable.versionString, NV_VERSION_STRING);
return -EINVAL;
}
return nv_drm_probe_devices();
#else
return 0;
#endif
}
void nv_drm_exit(void)
{
#if defined(NV_DRM_AVAILABLE)
nv_drm_remove_devices();
#endif
}