linux-kernel - [PATCH 1/2] habanalabs: enable trace data compression (profiler)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 28 Apr 2020 02:40:46 +0300
From:   Oded Gabbay <oded.gabbay@...il.com>
To:     linux-kernel@...r.kernel.org, oshpigelman@...ana.ai,
        ttayar@...ana.ai
Cc:     gregkh@...uxfoundation.org, Adam Aharon <aaharon@...ana.ai>
Subject: [PATCH 1/2] habanalabs: enable trace data compression (profiler)

From: Adam Aharon <aaharon@...ana.ai>

Set the STMTCSR.COMPEN bit to enable leading-zero trace data
compression functionality for the extended stimulus ports.

Signed-off-by: Adam Aharon <aaharon@...ana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@...il.com>
Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>
---
 drivers/misc/habanalabs/goya/goya_coresight.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/goya/goya_coresight.c b/drivers/misc/habanalabs/goya/goya_coresight.c
index a1bc930d904f..1258724ea510 100644
--- a/drivers/misc/habanalabs/goya/goya_coresight.c
+++ b/drivers/misc/habanalabs/goya/goya_coresight.c
@@ -266,7 +266,7 @@ static int goya_config_stm(struct hl_device *hdev,
 		WREG32(base_reg + 0xDF4, 0x80);
 		WREG32(base_reg + 0xE8C, input->frequency);
 		WREG32(base_reg + 0xE90, 0x7FF);
-		WREG32(base_reg + 0xE80, 0x7 | (input->id << 16));
+		WREG32(base_reg + 0xE80, 0x27 | (input->id << 16));
 	} else {
 		WREG32(base_reg + 0xE80, 4);
 		WREG32(base_reg + 0xD64, 0);
-- 
2.17.1