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drm/amd/pm/smu7: return error on message send failure

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Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: George Zhang <george.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michał Mirosław
2026-07-02 18:24:40 +02:00
committed by Alex Deucher
parent dc6022da45
commit 0d2d656dfe
1 changed files with 8 additions and 4 deletions
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12
drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c
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@@ -141,12 +141,16 @@ int smu7_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
ret = PHM_READ_FIELD(hwmgr->device, SMC_RESP_0, SMC_RESP);
if (ret == 0xFE)
switch (ret) {
case 1:
return 0;
case 0xFE:
dev_dbg(adev->dev, "SMU message %#x was not supported\n", msg);
else if (ret != 1)
return -EOPNOTSUPP;
default:
dev_info(adev->dev, "SMU message %#x failed: response is %d\n", msg, ret);
return 0;
return ret != 0xFFFF ? -EIO : -ENXIO;
}
}
int smu7_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr, uint16_t msg, uint32_t parameter)