linux-kernel - [PATCH 04/16] habanalabs: fix mmu node address resolution in debugfs

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Message-Id: <20210818133922.63637-4-ogabbay@kernel.org>
Date:   Wed, 18 Aug 2021 16:39:10 +0300
From:   Oded Gabbay <ogabbay@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Yuri Nudelman <ynudelman@...ana.ai>
Subject: [PATCH 04/16] habanalabs: fix mmu node address resolution in debugfs

From: Yuri Nudelman <ynudelman@...ana.ai>

The address resolution via debugfs was not taking into consideration the
page offset, resulting in a wrong address.

Signed-off-by: Yuri Nudelman <ynudelman@...ana.ai>
Reviewed-by: Oded Gabbay <ogabbay@...nel.org>
Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
---
 drivers/misc/habanalabs/common/debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/common/debugfs.c b/drivers/misc/habanalabs/common/debugfs.c
index 264424c96959..6a7df57883d9 100644
--- a/drivers/misc/habanalabs/common/debugfs.c
+++ b/drivers/misc/habanalabs/common/debugfs.c
@@ -349,7 +349,7 @@ static int mmu_show(struct seq_file *s, void *data)
 		return 0;
 	}
 
-	phys_addr = hops_info.hop_info[hops_info.used_hops - 1].hop_pte_val;
+	hl_mmu_va_to_pa(ctx, virt_addr, &phys_addr);
 
 	if (hops_info.scrambled_vaddr &&
 		(dev_entry->mmu_addr != hops_info.scrambled_vaddr))
-- 
2.17.1