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-rw-r--r--hw/cxl/cxl-component-utils.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/hw/cxl/cxl-component-utils.c b/hw/cxl/cxl-component-utils.c
index a3e6cf75cf..378f1082ce 100644
--- a/hw/cxl/cxl-component-utils.c
+++ b/hw/cxl/cxl-component-utils.c
@@ -38,19 +38,23 @@ static void dumb_hdm_handler(CXLComponentState *cxl_cstate, hwaddr offset,
     ComponentRegisters *cregs = &cxl_cstate->crb;
     uint32_t *cache_mem = cregs->cache_mem_registers;
     bool should_commit = false;
+    bool should_uncommit = false;
 
     switch (offset) {
     case A_CXL_HDM_DECODER0_CTRL:
         should_commit = FIELD_EX32(value, CXL_HDM_DECODER0_CTRL, COMMIT);
+        should_uncommit = !should_commit;
         break;
     default:
         break;
     }
 
     if (should_commit) {
-        value = FIELD_DP32(value, CXL_HDM_DECODER0_CTRL, COMMIT, 0);
         value = FIELD_DP32(value, CXL_HDM_DECODER0_CTRL, ERR, 0);
         value = FIELD_DP32(value, CXL_HDM_DECODER0_CTRL, COMMITTED, 1);
+    } else if (should_uncommit) {
+        value = FIELD_DP32(value, CXL_HDM_DECODER0_CTRL, ERR, 0);
+        value = FIELD_DP32(value, CXL_HDM_DECODER0_CTRL, COMMITTED, 0);
     }
     stl_le_p((uint8_t *)cache_mem + offset, value);
 }