avoid driver to touch invalid mca reg.
Signed-off-by: Yang Wang <[email protected]>
---
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)
--
2.34.1
