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GPU (Linux): replaces amdgpu library with raw ioctl calls

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This commit is contained in:
Carter Li
2026-06-13 09:41:54 +08:00
committed by 李通洲
parent 878ccf1375
commit 55eb3c59d4
6 changed files with 68 additions and 104 deletions
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src/detection/gpu/gpu_linux.c
+1 -40
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@@ -1,40 +1,12 @@
#include "detection/gpu/gpu.h"
#include "detection/vulkan/vulkan.h"
#include "detection/cpu/cpu.h"
#include "detection/gpu/gpu_driver_specific.h"
#include "common/io.h"
#include "common/library.h"
#include "common/FFstrbuf.h"
#include "common/strutil.h"
#include "common/mallocHelper.h"
#include "modules/gpu/option.h"
#include <inttypes.h>
#include <stdint.h>
#ifdef FF_HAVE_DRM_AMDGPU
#include <amdgpu.h>
#include <amdgpu_drm.h>
#include <fcntl.h>
#endif
#ifdef FF_HAVE_DRM
#include "intel_drm.h"
#include <fcntl.h>
#include <sys/ioctl.h>
#endif
#if defined(FF_HAVE_DRM) && defined(__aarch64__)
// https://github.com/alyssarosenzweig/linux/blob/agx-uapi-v7/include/uapi/drm/asahi_drm.h
// Found in kernel-headers-6.14.4-400.asahi.fc42.aarch64
#if __has_include(<drm/asahi_drm.h>)
#include <drm/asahi_drm.h>
#else
#include "asahi_drm.h"
#endif
#define FF_HAVE_DRM_ASAHI 1
#endif
static bool pciDetectDriver(FFstrbuf* result, FFstrbuf* pciDir, FFstrbuf* buffer, FF_A_UNUSED const char* drmKey) {
uint32_t pciDirLength = pciDir->length;
ffStrbufAppendS(pciDir, "/driver");
@@ -246,7 +218,6 @@ static void pciDetectIntelSpecific(const FFGPUOptions* options, FFGPUResult* gpu
}
static const char* drmDetectIntelSpecific(FFGPUResult* gpu, const char* drmKey, FFstrbuf* buffer) {
#if FF_HAVE_DRM
ffStrbufSetS(buffer, "/dev/dri/");
ffStrbufAppendS(buffer, drmKey);
FF_AUTO_CLOSE_FD int fd = open(buffer->chars, O_RDONLY | O_CLOEXEC);
@@ -260,10 +231,6 @@ static const char* drmDetectIntelSpecific(FFGPUResult* gpu, const char* drmKey,
return ffDrmDetectI915(gpu, fd);
}
return "Unknown Intel GPU driver";
#else
FF_UNUSED(gpu, drmKey, buffer);
return "Fastfetch is not compiled with drm support";
#endif
}
static const char* pciDetectTempGeneral(const FFGPUOptions* options, FFGPUResult* gpu, FFstrbuf* pciDir, FFstrbuf* buffer) {
@@ -294,7 +261,6 @@ static const char* pciDetectTempGeneral(const FFGPUOptions* options, FFGPUResult
}
static const char* drmDetectNouveauSpecific(FFGPUResult* gpu, const char* drmKey, FFstrbuf* buffer) {
#if FF_HAVE_DRM
ffStrbufSetS(buffer, "/dev/dri/");
ffStrbufAppendS(buffer, drmKey);
FF_AUTO_CLOSE_FD int fd = open(buffer->chars, O_RDONLY | O_CLOEXEC);
@@ -303,10 +269,6 @@ static const char* drmDetectNouveauSpecific(FFGPUResult* gpu, const char* drmKey
}
return ffDrmDetectNouveau(gpu, fd);
#else
FF_UNUSED(gpu, drmKey, buffer);
return "Fastfetch is not compiled with drm support";
#endif
}
static const char* pciDetectZxSpecific(const FFGPUOptions* options, FFGPUResult* gpu, FFstrbuf* pciDir, FFstrbuf* buffer) {
@@ -484,6 +446,7 @@ static const char* detectPci(const FFGPUOptions* options, FFlist* gpus, FFstrbuf
}
#if __aarch64__
#include "detection/cpu/cpu.h"
FF_A_UNUSED static const char* drmDetectAsahiSpecific(FFGPUResult* gpu, const char* name, FF_A_UNUSED FFstrbuf* buffer, FF_A_UNUSED const char* drmKey) {
if (sscanf(name, "agx-t%lu", &gpu->deviceId) == 1) {
@@ -491,14 +454,12 @@ FF_A_UNUSED static const char* drmDetectAsahiSpecific(FFGPUResult* gpu, const ch
}
ffStrbufSetStatic(&gpu->vendor, FF_GPU_VENDOR_NAME_APPLE);
#if FF_HAVE_DRM_ASAHI
ffStrbufSetS(buffer, "/dev/dri/");
ffStrbufAppendS(buffer, drmKey);
FF_AUTO_CLOSE_FD int fd = open(buffer->chars, O_RDONLY | O_CLOEXEC);
if (fd >= 0) {
return ffDrmDetectAsahi(gpu, fd);
}
#endif
return NULL;
}