From d8d9692334b20d3b301fbb93f3ec9d0a395547eb Mon Sep 17 00:00:00 2001
From: Yang Wang <kevinyang.wang@amd.com>
Date: Wed, 8 Nov 2023 20:35:52 +0800
Subject: drm/amdgpu: correct mca debugfs dump reg list
Git-commit: 8140b07b0a69a7e8d5d764237c68af7942c4bfdd
Patch-mainline: v6.7-rc1
References: jsc#PED-3527 jsc#PED-5475 jsc#PED-6068 jsc#PED-6070 jsc#PED-6116 jsc#PED-6120 jsc#PED-5065 jsc#PED-5477 jsc#PED-5511 jsc#PED-6041 jsc#PED-6069 jsc#PED-6071
avoid driver to touch invalid mca reg.
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c
index 65926f3c708a..cf33eb219e25 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c
@@ -389,14 +389,21 @@ static int amdgpu_mca_smu_debug_mode_set(void *data, u64 val)
static void mca_dump_entry(struct seq_file *m, struct mca_bank_entry *entry)
{
int i, idx = entry->idx;
+ int reg_idx_array[] = {
+ MCA_REG_IDX_STATUS,
+ MCA_REG_IDX_ADDR,
+ MCA_REG_IDX_MISC0,
+ MCA_REG_IDX_IPID,
+ MCA_REG_IDX_SYND,
+ };
seq_printf(m, "mca entry[%d].type: %s\n", idx, entry->type == AMDGPU_MCA_ERROR_TYPE_UE ? "UE" : "CE");
seq_printf(m, "mca entry[%d].ip: %d\n", idx, entry->ip);
seq_printf(m, "mca entry[%d].info: socketid:%d aid:%d hwid:0x%03x mcatype:0x%04x\n",
idx, entry->info.socket_id, entry->info.aid, entry->info.hwid, entry->info.mcatype);
- for (i = 0; i < ARRAY_SIZE(entry->regs); i++)
- seq_printf(m, "mca entry[%d].regs[%d]: 0x%016llx\n", idx, i, entry->regs[i]);
+ for (i = 0; i < ARRAY_SIZE(reg_idx_array); i++)
+ seq_printf(m, "mca entry[%d].regs[%d]: 0x%016llx\n", idx, reg_idx_array[i], entry->regs[reg_idx_array[i]]);
}
static int mca_dump_show(struct seq_file *m, enum amdgpu_mca_error_type type)
--
2.43.0