[PATCH] drm/amdgpu: Print kernel message when error logged by scrub

Xiang Liu xiang.liu at amd.com
Fri Apr 18 09:01:27 UTC 2025


Print a kernel message when the scrub bit of status register is set to
indicate that errors are being logged by the scrub.

Signed-off-by: Xiang Liu <xiang.liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
index b4ad163f42a7..3835f2592914 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
@@ -120,6 +120,9 @@ static void aca_smu_bank_dump(struct amdgpu_device *adev, int idx, int total, st
 	for (i = 0; i < ARRAY_SIZE(aca_regs); i++)
 		RAS_EVENT_LOG(adev, event_id, HW_ERR "ACA[%02d/%02d].%s=0x%016llx\n",
 			      idx + 1, total, aca_regs[i].name, bank->regs[aca_regs[i].reg_idx]);
+
+	if (ACA_REG__STATUS__SCRUB(bank->regs[ACA_REG_IDX_STATUS]))
+		RAS_EVENT_LOG(adev, event_id, HW_ERR "hardware error logged by the scrubber\n");
 }
 
 static int aca_smu_get_valid_aca_banks(struct amdgpu_device *adev, enum aca_smu_type type,
-- 
2.34.1



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