Don't require CPU topology

Some older ASIC won't have it.  Just show a warning if that's the case.

Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>

Author: superm1

src/amd_debug/failures.py

@@ -576,15 +576,6 @@ def __init__(self, actual_cores, max_cores):
         )
 
 
-class CpuTopologyUnknown(S0i3Failure):
-    """CPU topology unknown"""
-
-    def __init__(self):
-        super().__init__()
-        self.description = "CPU topology unknown"
-        self.explanation = "The CPU topology could not be determined. This may prevent the system from entering hardware sleep states correctly."
-
-
 class RogAllyOldMcu(S0i3Failure):
     """MCU firwmare is too old"""
 

src/amd_debug/prerequisites.py

@@ -44,7 +44,6 @@
     AmdHsmpBug,
     AmdgpuPpFeatureMask,
     ASpmWrong,
-    CpuTopologyUnknown,
     DeepSleep,
     DevSlpDiskIssue,
     DevSlpHostIssue,
@@ -1124,10 +1123,9 @@ def read_cpuid(cpu, leaf, subleaf):
                 if level_type == 0:
                     self.db.record_prereq(
                         "Unable to discover CPU topology, didn't find socket level",
-                        "❌",
+                        "🚦",
                     )
-                    self.failures += [CpuTopologyUnknown()]
-                    return False
+                    return True
                 if level_type == 4:
                     break
             _, cpu_count, _, _ = read_cpuid(0, 0x80000026, level)

src/test_prerequisites.py

@@ -548,9 +548,9 @@ def test_check_cpu_socket_level_at_boundary(
             struct.pack("4I", 0, 16, 0, 0),  # subleaf 4: cpu_count = 16
         ]
         result = self.validator.check_cpu()
-        self.assertFalse(result)
+        self.assertTrue(result)
         self.mock_db.record_prereq.assert_called_with(
-            "Unable to discover CPU topology, didn't find socket level", "❌"
+            "Unable to discover CPU topology, didn't find socket level", "🚦"
         )
 
     @patch("builtins.open", new_callable=mock_open)