[PATCH 9/9] habanalabs: set default value for memory_scrub

From: Oded Gabbay
Date: Thu Jun 23 2022 - 16:42:54 EST


From: Dafna Hirschfeld <dhirschfeld@xxxxxxxxx>

Set a default value for memory scrubbing

Signed-off-by: Dafna Hirschfeld <dhirschfeld@xxxxxxxxx>
Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
---
drivers/misc/habanalabs/common/device.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c
index 1a4f3eb941a9..34ba521e2d1a 100644
--- a/drivers/misc/habanalabs/common/device.c
+++ b/drivers/misc/habanalabs/common/device.c
@@ -15,6 +15,8 @@

#define HL_RESET_DELAY_USEC 10000 /* 10ms */

+#define MEM_SCRUB_DEFAULT_VAL 0x1122334455667788
+
/*
* hl_set_dram_bar- sets the bar to allow later access to address
*
@@ -1727,6 +1729,7 @@ int hl_device_init(struct hl_device *hdev, struct class *hclass)

hdev->asic_funcs->state_dump_init(hdev);

+ hdev->memory_scrub_val = MEM_SCRUB_DEFAULT_VAL;
hl_debugfs_add_device(hdev);

/* debugfs nodes are created in hl_ctx_init so it must be called after
--
2.25.1