[edk2-devel] [PATCH] Platform/RaspberryPi4: Correct thermal offset

Jeremy Linton jeremy.linton at arm.com
Wed Sep 9 23:11:00 UTC 2020


The current mainline DT indicates that the thermal offset
on the rpi is 410040 rather than the 419949 being used.
This means our temp calculation is offset nearly 10C higher
when running in ACPI mode vs DT.

Signed-off-by: Jeremy Linton <jeremy.linton at arm.com>
---
 Platform/RaspberryPi/AcpiTables/Dsdt.asl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Platform/RaspberryPi/AcpiTables/Dsdt.asl b/Platform/RaspberryPi/AcpiTables/Dsdt.asl
index 2b9e8211cf..d116f965e1 100644
--- a/Platform/RaspberryPi/AcpiTables/Dsdt.asl
+++ b/Platform/RaspberryPi/AcpiTables/Dsdt.asl
@@ -269,7 +269,7 @@ DefinitionBlock ("Dsdt.aml", "DSDT", 5, "RPIFDN", "RPI", 2)
           Field (TEMS, DWordAcc, NoLock, Preserve) {
             TMPS, 32
           }
-          return (((419949 - ((TMPS & 0x3ff) * 487)) / 100) + 2732);
+          return (((410040 - ((TMPS & 0x3ff) * 487)) / 100) + 2732);
         }
         Method (_SCP, 3) { }               // receive cooling policy from OS
 
-- 
2.13.7


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