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[5.12,101/292] habanalabs/gaudi: set the correct cpu_id on MME2_QM failure

Message ID 20210719144945.823405565@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman July 19, 2021, 2:52 p.m. UTC 
From: Koby Elbaz <kelbaz@habana.ai>

[ Upstream commit b92c637c5f5ef7e3e21dbc7bfa7f1999450f3902 ]

This fix was applied since there was an incorrect reported CPU ID to GIC
such that an error in MME2 QMAN aliased to be an arriving from DMA0_QM.

Signed-off-by: Koby Elbaz <kelbaz@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/misc/habanalabs/gaudi/gaudi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index ecdedd87f8cc..a03f13aa47f8 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -2801,7 +2801,7 @@  static void gaudi_init_mme_qman(struct hl_device *hdev, u32 mme_offset,
 
 		/* Configure RAZWI IRQ */
 		mme_id = mme_offset /
-				(mmMME1_QM_GLBL_CFG0 - mmMME0_QM_GLBL_CFG0);
+				(mmMME1_QM_GLBL_CFG0 - mmMME0_QM_GLBL_CFG0) / 2;
 
 		mme_qm_err_cfg = MME_QMAN_GLBL_ERR_CFG_MSG_EN_MASK;
 		if (hdev->stop_on_err) {