OpenCoreKernel: Support PowerTimeoutKernelPanic option

Changelog.md

@@ -4,6 +4,7 @@ OpenCore Changelog
 - Fixed `MinKernel` and `MaxKernel` logic (thx @dhinakg, @reitermarkus)
 - Fixed ASSERT when booting non-Apple OSes without arguments from the DEBUG version
 - Added `MmioWhitelist` configuration option
+- Added `PowerTimeoutKernelPanic` kernel quirk
 
 #### v0.5.1
 - Added support of kernel resource kext injection

Docs/Configuration.tex

@@ -1728,6 +1728,18 @@ blocking.
   \textbf{Description}: Prevent kernel from printing kext dump in the panic
   log preventing from observing panic details. Affects 10.13 and above.
 
+\item
+  \texttt{PowerTimeoutKernelPanic}\\
+  \textbf{Type}: \texttt{plist\ boolean}\\
+  \textbf{Failsafe}: \texttt{false}\\
+  \textbf{Description}: Disables kernel panic on setPowerState timeout.
+
+  An additional security measure was added to macOS Catalina (10.15) causing
+  kernel panic on power change timeout for Apple drivers. Sometimes it may cause
+  issues on misconfigured hardware, notably digital audio, which sometimes fails
+  to wake up. For debug kernels \texttt{setpowerstate\_panic=0} boot argument
+  should be used, which is otherwise equivalent to this quirk.
+
 \item
   \texttt{ThirdPartyTrim}\\
   \textbf{Type}: \texttt{plist\ boolean}\\

Docs/Differences/Differences.tex

 \documentclass[]{article}
 %DIF LATEXDIFF DIFFERENCE FILE
 %DIF DEL PreviousConfiguration.tex   Mon Oct  7 11:21:04 2019
-%DIF ADD ../Configuration.tex        Wed Oct 16 11:44:08 2019
+%DIF ADD ../Configuration.tex        Thu Oct 17 11:36:19 2019
 
 \usepackage{lmodern}
 \usepackage{amssymb,amsmath}
@@ -1165,10 +1165,11 @@ To view their current state use \texttt{pmset -g} command in Terminal.
 
   \DIFdelbegin \emph{\DIFdel{Note}}%DIFAUXCMD
 \DIFdel{: }\DIFdelend This option is generally useful on \DIFdelbegin \DIFdel{APTIO V firmwares (Broadwell and
-  newer)}\DIFdelend \DIFaddbegin \DIFadd{all firmwares except some very old ones,
+  newer). }\DIFdelend \DIFaddbegin \DIFadd{all firmwares except some very old ones,
   like Sandy Bridge. On select firmwares it may require a list of exceptional
   addresses that still need to get their virtual addresses for proper NVRAM and
-  hibernation functioning. Use }\texttt{\DIFadd{MmioWhitelist}} \DIFadd{section to do this}\DIFaddend .
+  hibernation functioning. Use }\texttt{\DIFadd{MmioWhitelist}} \DIFadd{section to do this.
+}\DIFaddend 
 
 \item
   \texttt{DisableSingleUser}\\
@@ -1794,7 +1795,21 @@ blocking.
   \textbf{Type}: \texttt{plist\ boolean}\\
   \textbf{Failsafe}: \texttt{false}\\
   \textbf{Description}: Prevent kernel from printing kext dump in the panic
-  log preventing from observing panic details. Affects 10.13 and above.
+  log preventing from observing panic details. Affects 10.13 and above\DIFaddbegin \DIFadd{.
+}
+
+\item
+  \texttt{\DIFadd{PowerTimeoutKernelPanic}}\\
+  \textbf{\DIFadd{Type}}\DIFadd{: }\texttt{\DIFadd{plist\ boolean}}\\
+  \textbf{\DIFadd{Failsafe}}\DIFadd{: }\texttt{\DIFadd{false}}\\
+  \textbf{\DIFadd{Description}}\DIFadd{: Disables kernel panic on setPowerState timeout.
+}
+
+  \DIFadd{An additional security measure was added to macOS Catalina (10.15) causing
+  kernel panic on power change timeout for Apple drivers. Sometimes it may cause
+  issues on misconfigured hardware, notably digital audio, which sometimes fails
+  to wake up. For debug kernels }\texttt{\DIFadd{setpowerstate\_panic=0}} \DIFadd{boot argument
+  should be used, which is otherwise equivalent to this quirk}\DIFaddend .
 
 \item
   \texttt{ThirdPartyTrim}\\

Docs/Sample.plist

@@ -511,6 +511,8 @@
 			<false/>
 			<key>PanicNoKextDump</key>
 			<false/>
+			<key>PowerTimeoutKernelPanic</key>
+			<false/>
 			<key>ThirdPartyTrim</key>
 			<false/>
 			<key>XhciPortLimit</key>

Docs/SampleFull.plist

@@ -511,6 +511,8 @@
 			<false/>
 			<key>PanicNoKextDump</key>
 			<false/>
+			<key>PowerTimeoutKernelPanic</key>
+			<false/>
 			<key>ThirdPartyTrim</key>
 			<false/>
 			<key>XhciPortLimit</key>

Platform/OpenCore/OpenCoreKernel.c

@@ -461,6 +461,10 @@ OcKernelApplyPatches (
     if (Config->Kernel.Quirks.LapicKernelPanic) {
       PatchLapicKernelPanic (&Patcher);
     }
+
+    if (Config->Kernel.Quirks.PowerTimeoutKernelPanic) {
+      PatchPowerStateTimeout (&Patcher);
+    }
   }
 }