[PATCH 1/2] drm/amd/pm: Add debug prints
Luben Tuikov
luben.tuikov at amd.com
Mon Nov 22 22:19:15 UTC 2021
On 2021-11-17 16:54, Alex Deucher wrote:
> On Wed, Nov 17, 2021 at 1:56 PM Luben Tuikov <luben.tuikov at amd.com> wrote:
>> Add prints where there are none and none are printed in the callee.
>>
>> Add a print in sienna_cichlid_run_btc() to help debug and to mirror other
>> platforms, as no print is present in the caller, smu_smc_hw_setup().
>>
>> Remove the word "previous" from comment and print to make it shorter and
>> avoid confusion in various prints.
>>
>> Cc: Alex Deucher <Alexander.Deucher at amd.com>
>> Signed-off-by: Luben Tuikov <luben.tuikov at amd.com>
>> ---
>> drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 8 +++++---
>> drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 8 +++++++-
>> drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 4 ++--
>> 3 files changed, 14 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
>> index 01168b8955bff3..67cc6fb4f422f4 100644
>> --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
>> +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
>> @@ -1153,6 +1153,8 @@ static int smu_smc_hw_setup(struct smu_context *smu)
>> case IP_VERSION(11, 5, 0):
>> case IP_VERSION(11, 0, 12):
>> ret = smu_system_features_control(smu, true);
>> + if (ret)
>> + dev_err(adev->dev, "Failed system features control!\n");
>> break;
>> default:
>> break;
>> @@ -1277,8 +1279,10 @@ static int smu_smc_hw_setup(struct smu_context *smu)
>> }
>>
>> ret = smu_notify_display_change(smu);
>> - if (ret)
>> + if (ret) {
>> + dev_err(adev->dev, "Failed to notify display change!\n");
>> return ret;
>> + }
>>
>> /*
>> * Set min deep sleep dce fclk with bootup value from vbios via
>> @@ -1286,8 +1290,6 @@ static int smu_smc_hw_setup(struct smu_context *smu)
>> */
>> ret = smu_set_min_dcef_deep_sleep(smu,
>> smu->smu_table.boot_values.dcefclk / 100);
>> - if (ret)
>> - return ret;
>>
>> return ret;
>> }
>> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
>> index b0bb389185d51c..f3522320df7e58 100644
>> --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
>> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
>> @@ -2135,7 +2135,13 @@ static int sienna_cichlid_od_edit_dpm_table(struct smu_context *smu,
>>
>> static int sienna_cichlid_run_btc(struct smu_context *smu)
>> {
>> - return smu_cmn_send_smc_msg(smu, SMU_MSG_RunDcBtc, NULL);
>> + int res;
>> +
>> + res = smu_cmn_send_smc_msg(smu, SMU_MSG_RunDcBtc, NULL);
>> + if (res)
>> + dev_err(smu->adev->dev, "RunDcBtc failed!\n");
>> +
>> + return res;
> Maybe better to split this hunk into a separate patch and also fix up
> the run_btc functions for other asics.
No problem. I checked all under amd/pm/swsmu and Sienna is the only one.
I'll send another set of patches.
Regards,
Luben
>
> Alex
>
>
>> }
>>
>> static int sienna_cichlid_baco_enter(struct smu_context *smu)
>> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
>> index ea6f50c08c5f3b..f9a42a07eeaebf 100644
>> --- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
>> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
>> @@ -97,7 +97,7 @@ static void smu_cmn_read_arg(struct smu_context *smu,
>> * smu: a pointer to SMU context
>> *
>> * Returns the status of the SMU, which could be,
>> - * 0, the SMU is busy with your previous command;
>> + * 0, the SMU is busy with your command;
>> * 1, execution status: success, execution result: success;
>> * 0xFF, execution status: success, execution result: failure;
>> * 0xFE, unknown command;
>> @@ -143,7 +143,7 @@ static void __smu_cmn_reg_print_error(struct smu_context *smu,
>> u32 msg_idx = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66);
>> u32 prm = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82);
>> dev_err_ratelimited(adev->dev,
>> - "SMU: I'm not done with your previous command: SMN_C2PMSG_66:0x%08X SMN_C2PMSG_82:0x%08X",
>> + "SMU: I'm not done with your command: SMN_C2PMSG_66:0x%08X SMN_C2PMSG_82:0x%08X",
>> msg_idx, prm);
>> }
>> break;
>>
>> base-commit: ae2faedcc13fa5ee109ceb9e8cc05d759ad57980
>> --
>> 2.34.0
>>
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