From: Hawking Zhang <Hawking.Zhang@xxxxxxx>
The callback will be invoked to query mmea error
status when needed.
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Reviewed-by: Dennis Li<Dennis.Li@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c | 27 +++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c
index c94060ca4a10..71bcea66715f 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c
@@ -1242,6 +1242,32 @@ static void mmhub_v1_7_reset_ras_error_count(struct amdgpu_device *adev)
}
}
+static const struct soc15_reg_entry mmhub_v1_7_err_status_regs[] = {
+ { SOC15_REG_ENTRY(MMHUB, 0, regMMEA0_ERR_STATUS), 0, 0, 0 },
+ { SOC15_REG_ENTRY(MMHUB, 0, regMMEA1_ERR_STATUS), 0, 0, 0 },
+ { SOC15_REG_ENTRY(MMHUB, 0, regMMEA2_ERR_STATUS), 0, 0, 0 },
+ { SOC15_REG_ENTRY(MMHUB, 0, regMMEA3_ERR_STATUS), 0, 0, 0 },
+ { SOC15_REG_ENTRY(MMHUB, 0, regMMEA4_ERR_STATUS), 0, 0, 0 },
+ { SOC15_REG_ENTRY(MMHUB, 0, regMMEA5_ERR_STATUS), 0, 0, 0 },
+};
+
+static void mmhub_v1_7_query_ras_error_status(struct amdgpu_device *adev)
+{
+ int i;
+ uint32_t reg_value;
+
+ if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__MMHUB))
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(mmhub_v1_7_err_status_regs); i++) {
+ reg_value =
+ RREG32(SOC15_REG_ENTRY_OFFSET(mmhub_v1_7_err_status_regs[i]));
+ if (reg_value)
+ dev_warn(adev->dev, "MMHUB EA err detected at instance: %d, status: 0x%x!\n",
+ i, reg_value);
+ }
+}
+
const struct amdgpu_mmhub_funcs mmhub_v1_7_funcs = {
.ras_late_init = amdgpu_mmhub_ras_late_init,
.query_ras_error_count = mmhub_v1_7_query_ras_error_count,
@@ -1254,4 +1280,5 @@ const struct amdgpu_mmhub_funcs mmhub_v1_7_funcs = {
.set_clockgating = mmhub_v1_7_set_clockgating,
.get_clockgating = mmhub_v1_7_get_clockgating,
.setup_vm_pt_regs = mmhub_v1_7_setup_vm_pt_regs,
+ .query_ras_error_status = mmhub_v1_7_query_ras_error_status,
};
--
2.29.2
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