56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
#include <cstdio>
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#include <cstring>
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#include "intel.hpp"
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#include "uarch.hpp"
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#include "chips.hpp"
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#include "udev.hpp"
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#include "../common/pci.hpp"
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#include "../common/global.hpp"
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int64_t get_peak_performance_intel(struct gpu_info* gpu) {
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if(gpu->topo_i->eu_subslice < 0 || gpu->topo_i->subslices < 0) return -1;
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return gpu->freq * 1000000 * gpu->topo_i->eu_subslice * gpu->topo_i->subslices * 8 * 2;
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}
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struct gpu_info* get_gpu_info_intel() {
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struct gpu_info* gpu = (struct gpu_info*) emalloc(sizeof(struct gpu_info));
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gpu->vendor = GPU_VENDOR_INTEL;
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struct pci_dev *devices = get_pci_devices_from_pciutils();
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gpu->pci = get_pci_from_pciutils(devices, PCI_VENDOR_ID_INTEL);
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if(gpu->pci == NULL) {
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// No Intel iGPU found in PCI, which means it is not present
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return NULL;
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}
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gpu->arch = get_uarch_from_pci(gpu->pci);
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if(gpu->arch == NULL) {
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// No Intel iGPU found in arch LUT, which means it is not supported
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return NULL;
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}
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gpu->name = get_name_from_uarch(gpu->arch);
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gpu->topo_i = get_topology_info(gpu->arch);
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gpu->freq = get_max_freq_from_file(gpu->pci);
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gpu->peak_performance = get_peak_performance_intel(gpu);
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return gpu;
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}
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bool print_gpu_intel(struct gpu_info* gpu) {
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if(gpu->vendor != GPU_VENDOR_INTEL) return false;
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printf("%s\n", gpu->name);
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return true;
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}
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char* get_str_eu(struct gpu_info* gpu) {
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if(gpu->topo_i->subslices < 0 || gpu->topo_i->eu_subslice < 0)
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return get_str_generic(-1);
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return get_str_generic(gpu->topo_i->subslices * gpu->topo_i->eu_subslice);
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}
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