Adds TGDD for the first GPU to improve iStats compatibility

Author: aluveitie

SMCRadeonGPU/SMCRadeonGPU.cpp

@@ -49,7 +49,12 @@ IOService *SMCRadeonGPU::probe(IOService *provider, SInt32 *score) {
         suc &= VirtualSMCAPI::addKey(KeyTGxP(i), vsmcPlugin.data, VirtualSMCAPI::valueWithSp(0, SmcKeyTypeSp78, new GPUTempProvider(fProvider, i)));
         suc &= VirtualSMCAPI::addKey(KeyTGxd(i), vsmcPlugin.data, VirtualSMCAPI::valueWithSp(0, SmcKeyTypeSp78, new GPUTempProvider(fProvider, i)));
         suc &= VirtualSMCAPI::addKey(KeyTGxp(i), vsmcPlugin.data, VirtualSMCAPI::valueWithSp(0, SmcKeyTypeSp78, new GPUTempProvider(fProvider, i)));
+        if (i == 0) {
+            suc &= VirtualSMCAPI::addKey(KeyTGDD, vsmcPlugin.data, VirtualSMCAPI::valueWithSp(0, SmcKeyTypeSp78, new GPUTempProvider(fProvider, i)));
+        }
     }
+
+    qsort(const_cast<VirtualSMCKeyValue *>(vsmcPlugin.data.data()), vsmcPlugin.data.size(), sizeof(VirtualSMCKeyValue), VirtualSMCKeyValue::compare);
 
     if (!suc) {
         os_log(OS_LOG_DEFAULT, "SMCRadeonGPU setting up SMC keys failed");

SMCRadeonGPU/SMCRadeonGPU.hpp

@@ -25,6 +25,7 @@ class EXPORT SMCRadeonGPU : public IOService {
     static constexpr SMC_KEY KeyTGxD(size_t i) { return SMC_MAKE_IDENTIFIER('T','G',KeyIndexes[i],'D'); }
     static constexpr SMC_KEY KeyTGxp(size_t i) { return SMC_MAKE_IDENTIFIER('T','G',KeyIndexes[i],'p'); }
     static constexpr SMC_KEY KeyTGxd(size_t i) { return SMC_MAKE_IDENTIFIER('T','G',KeyIndexes[i],'d'); }
+    static constexpr SMC_KEY KeyTGDD = SMC_MAKE_IDENTIFIER('T','G','D','D');
 
 
     VirtualSMCAPI::Plugin vsmcPlugin {