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Merge branch 'main' into 'main'

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amdgpu: Add an api amdgpu_device_dup_fd

See merge request mesa/drm!271
This commit is contained in:
Xiaogang Chen 2025-03-27 17:45:23 +00:00
commit 2e47ee44d2
3 changed files with 29 additions and 0 deletions
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1
amdgpu/amdgpu-symbols.txt
View file

@ -35,6 +35,7 @@ amdgpu_cs_query_fence_status
amdgpu_cs_query_reset_state
amdgpu_cs_query_reset_state2
amdgpu_query_sw_info
amdgpu_device_dup_fd
amdgpu_cs_signal_semaphore
amdgpu_cs_submit
amdgpu_cs_submit_raw

12
amdgpu/amdgpu.h
View file

@ -1942,6 +1942,18 @@ int amdgpu_vm_reserve_vmid(amdgpu_device_handle dev, uint32_t flags);
*/
int amdgpu_vm_unreserve_vmid(amdgpu_device_handle dev, uint32_t flags);
/**
* Get a DRM render node FD Returns a duplicate of the render node file descriptor used by the device.
* It is the caller's responsibility to close this file descriptor when it is
* no longer needed.
*
* \param dev - \c [in] Opaque device handle returned by amdgpu_device_initialize
*
* \return render node file descriptor on success\n
* <0 - Negative POSIX error code
*/
int amdgpu_device_dup_fd(amdgpu_device_handle dev);
#ifdef __cplusplus
}
#endif

16
amdgpu/amdgpu_device.c
View file

@ -325,3 +325,19 @@ drm_public int amdgpu_query_sw_info(amdgpu_device_handle dev,
}
return -EINVAL;
}
drm_public int amdgpu_device_dup_fd(amdgpu_device_handle dev)
{
struct amdgpu_device *dev_tmp;
pthread_mutex_lock(&dev_mutex);
for (dev_tmp = dev_list; dev_tmp; dev_tmp = dev_tmp->next){
if (dev_tmp == dev){
pthread_mutex_unlock(&dev_mutex);
return fcntl(dev_tmp->fd, F_DUPFD_CLOEXEC, 0);
}
}
pthread_mutex_unlock(&dev_mutex);
return -EINVAL;
}