linux-kernel - [PATCH 5/9] habanalabs/gaudi: update coresight configuration

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Message-Id: <20210614125100.17627-5-ogabbay@kernel.org>
Date:   Mon, 14 Jun 2021 15:50:56 +0300
From:   Oded Gabbay <ogabbay@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Tal Albo <talbo@...ana.ai>
Subject: [PATCH 5/9] habanalabs/gaudi: update coresight configuration

From: Tal Albo <talbo@...ana.ai>

Update STMTCSR and STMSYNCR values in order to reduce amount of sync
packets

Signed-off-by: Tal Albo <talbo@...ana.ai>
Reviewed-by: Oded Gabbay <ogabbay@...nel.org>
Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
---
 drivers/misc/habanalabs/gaudi/gaudi_coresight.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi_coresight.c b/drivers/misc/habanalabs/gaudi/gaudi_coresight.c
index 9e271fd9f0d2..c2a27ed1c4d1 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi_coresight.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi_coresight.c
@@ -424,7 +424,7 @@ static int gaudi_config_stm(struct hl_device *hdev,
 		if (frequency == 0)
 			frequency = input->frequency;
 		WREG32(base_reg + 0xE8C, frequency);
-		WREG32(base_reg + 0xE90, 0x7FF);
+		WREG32(base_reg + 0xE90, 0x1F00);
 
 		/* SW-2176 - SW WA for HW bug */
 		if ((CFG_BASE + base_reg) >= mmDMA_CH_0_CS_STM_BASE &&
@@ -434,7 +434,7 @@ static int gaudi_config_stm(struct hl_device *hdev,
 			WREG32(base_reg + 0xE6C, 0x0);
 		}
 
-		WREG32(base_reg + 0xE80, 0x27 | (input->id << 16));
+		WREG32(base_reg + 0xE80, 0x23 | (input->id << 16));
 	} else {
 		WREG32(base_reg + 0xE80, 4);
 		WREG32(base_reg + 0xD64, 0);
-- 
2.25.1