mirror of
https://github.com/intel/compute-runtime.git
synced 2025-11-10 05:49:51 +08:00
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
/*
|
|
* Copyright (C) 2021 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
*/
|
|
|
|
#include "shared/source/device/device.h"
|
|
#include "shared/source/os_interface/linux/drm_neo.h"
|
|
#include "shared/source/os_interface/linux/pci_path.h"
|
|
#include "shared/source/os_interface/os_interface.h"
|
|
|
|
#include "opencl/source/cl_device/cl_device.h"
|
|
#include "opencl/source/platform/platform.h"
|
|
#include "opencl/source/sharings/va/va_device.h"
|
|
|
|
#include <sys/stat.h>
|
|
#include <system_error>
|
|
#include <unistd.h>
|
|
#include <va/va_backend.h>
|
|
|
|
namespace NEO {
|
|
ClDevice *VADevice::getRootDeviceFromVaDisplay(Platform *pPlatform, VADisplay vaDisplay) {
|
|
VADisplayContextP pDisplayContext_test = reinterpret_cast<VADisplayContextP>(vaDisplay);
|
|
UNRECOVERABLE_IF(pDisplayContext_test->vadpy_magic != 0x56414430);
|
|
VADriverContextP pDriverContext_test = pDisplayContext_test->pDriverContext;
|
|
int deviceFd = *static_cast<int *>(pDriverContext_test->drm_state);
|
|
|
|
UNRECOVERABLE_IF(deviceFd < 0);
|
|
|
|
auto devicePath = NEO::getPciPath(deviceFd);
|
|
|
|
if (devicePath == std::nullopt) {
|
|
return nullptr;
|
|
}
|
|
|
|
for (size_t i = 0; i < pPlatform->getNumDevices(); ++i) {
|
|
auto device = pPlatform->getClDevice(i);
|
|
NEO::Device *neoDevice = &device->getDevice();
|
|
|
|
auto *drm = neoDevice->getRootDeviceEnvironment().osInterface->getDriverModel()->as<Drm>();
|
|
auto pciPath = drm->getPciPath();
|
|
if (devicePath == pciPath) {
|
|
return device;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
} // namespace NEO
|