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-rw-r--r--src/soc/amd/common/block/data_fabric/data_fabric_helper.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/data_fabric/data_fabric_helper.c b/src/soc/amd/common/block/data_fabric/data_fabric_helper.c
index 27fc03d58c..abb4ba8c3a 100644
--- a/src/soc/amd/common/block/data_fabric/data_fabric_helper.c
+++ b/src/soc/amd/common/block/data_fabric/data_fabric_helper.c
@@ -23,6 +23,8 @@ static void data_fabric_set_indirect_address(uint8_t func, uint16_t reg, uint8_t
uint32_t data_fabric_read32(uint8_t function, uint16_t reg, uint8_t instance_id)
{
+ /* Broadcast reads might return unexpected results when a register has different
+ contents in the different instances. */
if (instance_id == BROADCAST_FABRIC_ID)
return data_fabric_broadcast_read32(function, reg);