From 836c0806500d645446a614259cecd0b072bda2eb Mon Sep 17 00:00:00 2001
From: Yuri Nudelman <ynudelman@habana.ai>
Date: Thu, 29 Jul 2021 11:54:50 +0300
Subject: [PATCH] habanalabs: fix mmu node address resolution in debugfs
Git-commit: 09ae43043c748423a5dcdc7bb1e63e4dcabe9bd6
Patch-mainline: v5.15-rc1
References: stable-5.14.8
[ Upstream commit 09ae43043c748423a5dcdc7bb1e63e4dcabe9bd6 ]
The address resolution via debugfs was not taking into consideration the
page offset, resulting in a wrong address.
Signed-off-by: Yuri Nudelman <ynudelman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 703d79fb6f3f..379529bffc70 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))
--
2.26.2