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

[Zhang, Hawking]

[AMD Official Use Only - AMD Internal Distribution Only]

Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Regards,
Hawking
-----Original Message-----
From: Liu, Xiang(Dean) <Xiang.Liu at amd.com>
Sent: Friday, April 18, 2025 17:01
To: amd-gfx at lists.freedesktop.org
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>; Liu, Xiang(Dean) <Xiang.Liu at amd.com>
Subject: [PATCH] drm/amdgpu: Print kernel message when error logged by scrub

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