accel/habanalabs/gaudi2: fix BMON disable configuration

vyavniely · KobyElbaz · commit b4fd8e56c9a3 · 2025-09-25T09:09:24.000+03:00
Change the BMON_CR register value back to its original state before
enabling, so that BMON does not continue to collect information
after being disabled.

Signed-off-by: Vered Yavniely &lt;vered.yavniely@intel.com&gt;
Reviewed-by: Koby Elbaz &lt;koby.elbaz@intel.com&gt;
Signed-off-by: Koby Elbaz &lt;koby.elbaz@intel.com&gt;
diff --git a/drivers/accel/habanalabs/gaudi2/gaudi2_coresight.c b/drivers/accel/habanalabs/gaudi2/gaudi2_coresight.c
@@ -2426,7 +2426,7 @@ static int gaudi2_config_bmon(struct hl_device *hdev, struct hl_debug_params *pa
 		WREG32(base_reg + mmBMON_ADDRH_E3_OFFSET, 0);
 		WREG32(base_reg + mmBMON_REDUCTION_OFFSET, 0);
 		WREG32(base_reg + mmBMON_STM_TRC_OFFSET, 0x7 | (0xA << 8));
-		WREG32(base_reg + mmBMON_CR_OFFSET, 0x77 | 0xf << 24);
+		WREG32(base_reg + mmBMON_CR_OFFSET, 0x41);
 	}
 
 	return 0;

Original file line number	Diff line number	Diff line change
`@@ -2426,7 +2426,7 @@ static int gaudi2_config_bmon(struct hl_device hdev, struct hl_debug_params pa`
`2426`	`2426`	`WREG32(base_reg + mmBMON_ADDRH_E3_OFFSET, 0);`
`2427`	`2427`	`WREG32(base_reg + mmBMON_REDUCTION_OFFSET, 0);`
`2428`	`2428`	`WREG32(base_reg + mmBMON_STM_TRC_OFFSET, 0x7 \| (0xA << 8));`
`2429`		`- WREG32(base_reg + mmBMON_CR_OFFSET, 0x77 \| 0xf << 24);`
	`2429`	`+ WREG32(base_reg + mmBMON_CR_OFFSET, 0x41);`
`2430`	`2430`	`}`
`2431`	`2431`
`2432`	`2432`	`return 0;`