ACPI: Unconditionally mask off PCIe native hot plug control

We don't actually support hot plug and this causes lockups in Windows. Signed-off-by: Mario Bălănică <[email protected]>
edk2-porting · Mar 1, 2024 · 3e5a3c8 · 3e5a3c8
1 parent ba8fbee
commit 3e5a3c8
Showing 1 changed file with 3 additions and 8 deletions.
diff --git a/edk2-rockchip/Silicon/Rockchip/RK3588/AcpiTables/Pcie.asl b/edk2-rockchip/Silicon/Rockchip/RK3588/AcpiTables/Pcie.asl
@@ -80,17 +80,12 @@
         SUPP = CDW2                                                            \
         CTRL = CDW3                                                            \
                                                                                \
-        /* Only allow native hot plug control if OS supports: */               \
-        /*  ASPM */                                                            \
-        /*  Clock PM */                                                        \
-        /*  MSI/MSI-X */                                                       \
-        If ((SUPP & 0x16) != 0x16) {                                           \
-          Ctrl &= 0x3E /* Mask bit 0 (and undefined bits) */                   \
-        }                                                                      \
+        /* Mask out native hot plug control */                                 \
+        CTRL &= 0x1E                                                           \
                                                                                \
         /* Always allow native PME, AER and Capability Structure control */    \
         /* Never allow SHPC and LTR control */                                 \
-        Ctrl &= 0x1D                                                           \
+        CTRL &= 0x1D                                                           \
                                                                                \
         /* Unknown revision */                                                 \
         If (Arg1 != 1) {                                                       \