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GPU (Linux / FreeBSD): add DRM detection support for old radeon driver

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Ref: #1810
This commit is contained in:
Carter Li
2025-06-18 16:37:04 +08:00
parent 8559cc45eb
commit 6917f9479e
4 changed files with 80 additions and 31 deletions
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src/detection/gpu/gpu_linux.c
+39 -31
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@@ -105,14 +105,19 @@ FF_MAYBE_UNUSED static const char* drmFindRenderFromCard(const char* drmCardKey,
static const char* drmDetectAmdSpecific(const FFGPUOptions* options, FFGPUResult* gpu, const char* drmKey, FFstrbuf* buffer)
{
#if FF_HAVE_DRM_AMDGPU
const char* error = drmFindRenderFromCard(drmKey, buffer);
if (error) return error;
return ffDrmDetectAmdgpu(options, gpu, buffer->chars);
#else
FF_UNUSED(options, gpu, drmKey, buffer);
return "Fastfetch is not compiled with libdrm_amdgpu support";
if (ffStrbufEqualS(&gpu->driver, "radeon"))
return ffDrmDetectRadeon(options, gpu, buffer->chars);
else
{
#if FF_HAVE_DRM_AMDGPU
return ffDrmDetectAmdgpu(options, gpu, buffer->chars);
#else
FF_UNUSED(options, gpu, drmKey, buffer);
return "Fastfetch is not compiled with libdrm_amdgpu support";
#endif
}
}
static void pciDetectAmdSpecific(const FFGPUOptions* options, FFGPUResult* gpu, FFstrbuf* pciDir, FFstrbuf* buffer)
@@ -135,47 +140,50 @@ static void pciDetectAmdSpecific(const FFGPUOptions* options, FFGPUResult* gpu,
ffStrbufAppendC(pciDir, '/');
const uint32_t hwmonLen = pciDir->length;
ffStrbufAppendS(pciDir, "in1_input"); // Northbridge voltage in millivolts (APUs only)
if (ffPathExists(pciDir->chars, FF_PATHTYPE_ANY))
gpu->type = FF_GPU_TYPE_INTEGRATED;
else
gpu->type = FF_GPU_TYPE_DISCRETE;
uint64_t value = 0;
if (options->temp)
{
ffStrbufSubstrBefore(pciDir, hwmonLen);
ffStrbufAppendS(pciDir, "temp1_input"); // The on die GPU temperature in millidegrees Celsius
if (ffReadFileBuffer(pciDir->chars, buffer) && (value = ffStrbufToUInt(buffer, 0)))
gpu->temperature = (double) value / 1000;
}
if (options->driverSpecific)
if (ffStrbufEqualS(&gpu->driver, "amdgpu")) // Ancient radeon drivers don't have these files
{
ffStrbufSubstrBefore(pciDir, pciDirLen);
ffStrbufAppendS(pciDir, "/mem_info_vis_vram_total");
if (ffReadFileBuffer(pciDir->chars, buffer) && (value = ffStrbufToUInt(buffer, 0)))
{
if (gpu->type == FF_GPU_TYPE_DISCRETE)
gpu->dedicated.total = value;
else
gpu->shared.total = value;
ffStrbufSubstrBefore(pciDir, hwmonLen);
ffStrbufAppendS(pciDir, "in1_input"); // Northbridge voltage in millivolts (APUs only)
if (ffPathExists(pciDir->chars, FF_PATHTYPE_ANY))
gpu->type = FF_GPU_TYPE_INTEGRATED;
else
gpu->type = FF_GPU_TYPE_DISCRETE;
ffStrbufSubstrBefore(pciDir, pciDir->length - (uint32_t) strlen("/mem_info_vis_vram_total"));
ffStrbufAppendS(pciDir, "/mem_info_vis_vram_used");
if (options->driverSpecific)
{
ffStrbufSubstrBefore(pciDir, pciDirLen);
ffStrbufAppendS(pciDir, "/mem_info_vis_vram_total");
if (ffReadFileBuffer(pciDir->chars, buffer) && (value = ffStrbufToUInt(buffer, 0)))
{
if (gpu->type == FF_GPU_TYPE_DISCRETE)
gpu->dedicated.used = value;
gpu->dedicated.total = value;
else
gpu->shared.used = value;
}
}
gpu->shared.total = value;
ffStrbufSubstrBefore(pciDir, pciDirLen);
ffStrbufAppendS(pciDir, "/gpu_busy_percent");
if (ffReadFileBuffer(pciDir->chars, buffer) && (value = ffStrbufToUInt(buffer, 0)))
gpu->coreUsage = (double) value;
ffStrbufSubstrBefore(pciDir, pciDir->length - (uint32_t) strlen("/mem_info_vis_vram_total"));
ffStrbufAppendS(pciDir, "/mem_info_vis_vram_used");
if (ffReadFileBuffer(pciDir->chars, buffer) && (value = ffStrbufToUInt(buffer, 0)))
{
if (gpu->type == FF_GPU_TYPE_DISCRETE)
gpu->dedicated.used = value;
else
gpu->shared.used = value;
}
}
ffStrbufSubstrBefore(pciDir, pciDirLen);
ffStrbufAppendS(pciDir, "/gpu_busy_percent");
if (ffReadFileBuffer(pciDir->chars, buffer) && (value = ffStrbufToUInt(buffer, 0)))
gpu->coreUsage = (double) value;
}
}
}