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Revert "uefi: Call Apple set_os protocol to keep iGPU alive on dual-GPU Macs"

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This reverts commit c871e24388.
This commit is contained in:
Mintsuki
2026-04-19 00:09:55 +02:00
parent 015d01d4be
commit 9f72d0796e
1 changed files with 0 additions and 46 deletions
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46
common/entry.s3.c
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@@ -31,48 +31,6 @@ void stage3_common(void);
extern symbol __slide, __image_base, __image_end;
extern symbol _start;
#if defined (__x86_64__)
static void apple_set_os(void) {
if (gST->FirmwareVendor == NULL) {
return;
}
static const CHAR16 apple[] = L"Apple";
for (size_t i = 0; i < SIZEOF_ARRAY(apple) - 1; i++) {
if (gST->FirmwareVendor[i] != apple[i]) {
return;
}
}
EFI_GUID apple_set_os_guid = {
0xc5c5da95, 0x7d5c, 0x45e6,
{ 0xb2, 0xf1, 0x3f, 0xd5, 0x2b, 0xb1, 0x00, 0x77 }
};
struct apple_set_os_iface {
uint64_t version;
EFI_STATUS (EFIAPI *set_os_version)(const char *version);
EFI_STATUS (EFIAPI *set_os_vendor)(const char *vendor);
} *set_os = NULL;
EFI_STATUS status = gBS->LocateProtocol(
&apple_set_os_guid, NULL, (void **)&set_os);
if (status || set_os == NULL) {
return;
}
if (set_os->version >= 2) {
set_os->set_os_vendor("Apple Inc.");
}
if (set_os->version > 0) {
set_os->set_os_version("Mac OS X 10.9");
}
printv("apple: Set OS version via Apple set_os protocol (version %u)\n",
(uint32_t)set_os->version);
}
#endif
noreturn void uefi_entry(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) {
gST = SystemTable;
gBS = SystemTable->BootServices;
@@ -118,10 +76,6 @@ defer_error:
term_fallback();
#if defined (__x86_64__)
apple_set_os();
#endif
status = gBS->SetWatchdogTimer(0, 0x10000, 0, NULL);
if (status) {
print("WARNING: Failed to disable watchdog timer!\n");