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GPU: detects max PCI gen & link width

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This commit is contained in:
Carter Li
2026-06-13 15:20:40 +08:00
committed by 李通洲
parent 55eb3c59d4
commit 4e44c0520b
22 changed files with 252 additions and 50 deletions
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src/detection/gpu/gpu_nvidia.c
+18
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@@ -14,6 +14,8 @@ struct FFNvmlData {
FF_LIBRARY_SYMBOL(nvmlDeviceGetNumGpuCores)
FF_LIBRARY_SYMBOL(nvmlDeviceGetMaxClockInfo)
FF_LIBRARY_SYMBOL(nvmlDeviceGetUtilizationRates)
FF_LIBRARY_SYMBOL(nvmlDeviceGetMaxPcieLinkGeneration)
FF_LIBRARY_SYMBOL(nvmlDeviceGetMaxPcieLinkWidth)
FF_LIBRARY_SYMBOL(nvmlDeviceGetBrand)
FF_LIBRARY_SYMBOL(nvmlDeviceGetIndex)
FF_LIBRARY_SYMBOL(nvmlDeviceGetName)
@@ -159,6 +161,8 @@ const char* ffDetectNvidiaGpuInfo(const FFGpuDriverCondition* cond, FFGpuDriverR
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libnvml, nvmlData, nvmlDeviceGetMemoryInfo)
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libnvml, nvmlData, nvmlDeviceGetNumGpuCores)
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libnvml, nvmlData, nvmlDeviceGetMaxClockInfo)
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libnvml, nvmlData, nvmlDeviceGetMaxPcieLinkGeneration)
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libnvml, nvmlData, nvmlDeviceGetMaxPcieLinkWidth)
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libnvml, nvmlData, nvmlDeviceGetUtilizationRates)
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libnvml, nvmlData, nvmlDeviceGetBrand)
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(libnvml, nvmlData, nvmlDeviceGetIndex)
@@ -288,6 +292,20 @@ const char* ffDetectNvidiaGpuInfo(const FFGpuDriverCondition* cond, FFGpuDriverR
}
}
if (result.pcieGen) {
unsigned int value;
if (nvmlData.ffnvmlDeviceGetMaxPcieLinkGeneration(device, &value) == NVML_SUCCESS) {
*result.pcieGen = (uint16_t) value;
}
}
if (result.pcieLanes) {
unsigned int value;
if (nvmlData.ffnvmlDeviceGetMaxPcieLinkWidth(device, &value) == NVML_SUCCESS) {
*result.pcieLanes = (uint16_t) value;
}
}
return NULL;
#else