[PATCH 13/16] habanalabs/gaudi: unmask out of bounds SLM access interrupt

From: Oded Gabbay
Date: Wed Aug 18 2021 - 09:40:45 EST


From: Tomer Tayar <ttayar@xxxxxxxxx>

The out of bounds SLM access TPC interrupt indicates a severe compiler
bug and needs to be informed to user.
This interrupt is currently masked so unmask it.

Signed-off-by: Tomer Tayar <ttayar@xxxxxxxxx>
Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
---
drivers/misc/habanalabs/gaudi/gaudi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 6671d1aca8e1..c8bd76e30679 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -2686,7 +2686,7 @@ static void gaudi_init_golden_registers(struct hl_device *hdev)
tpc_id < TPC_NUMBER_OF_ENGINES;
tpc_id++, tpc_offset += TPC_CFG_OFFSET) {
/* Mask all arithmetic interrupts from TPC */
- WREG32(mmTPC0_CFG_TPC_INTR_MASK + tpc_offset, 0x8FFF);
+ WREG32(mmTPC0_CFG_TPC_INTR_MASK + tpc_offset, 0x8FFE);
/* Set 16 cache lines */
WREG32_FIELD(TPC0_CFG_MSS_CONFIG, tpc_offset,
ICACHE_FETCH_LINE_NUM, 2);
--
2.17.1