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| author | Michał Mirosław <mirq-linux@rere.qmqm.pl> | 2026-07-02 18:24:40 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-07-15 09:15:43 -0400 |
| commit | 0d2d656dfeb6d143bdfd42c6e16bb3e27f847186 (patch) | |
| tree | b44f7b333551bdecb84139d045e9571d84401821 /drivers | |
| parent | dc6022da45b9abec5f2fc8ef7055d2b8afe1d0b9 (diff) | |
| download | linux-next-0d2d656dfeb6d143bdfd42c6e16bb3e27f847186.tar.gz linux-next-0d2d656dfeb6d143bdfd42c6e16bb3e27f847186.zip | |
drm/amd/pm/smu7: return error on message send failure
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c index 2c190f599ff8..45504ac3a31d 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c @@ -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) |