[PATCH v2] drm/amdgpu/pm: drop pp_power_profile_mode support for yellow carp

Limonciello, Mario mario.limonciello at amd.com
Fri Oct 29 21:03:56 UTC 2021


On 10/29/2021 15:57, Alex Deucher wrote:
> On Fri, Oct 29, 2021 at 11:34 AM Mario Limonciello
> <mario.limonciello at amd.com> wrote:
>>
>> This was added by commit bd8dcea93a7d ("drm/amd/pm: add callbacks to
>> read/write sysfs file pp_power_profile_mode") but the feature was
>> deprecated from PMFW.  Remove it from the driver.
>>
>> Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>
> 
> Probably want something like the following too:
> diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
> b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
> index c255b4b8e685..c1b8ed9f7ba8 100644
> --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
> @@ -2092,6 +2092,9 @@ static int default_attr_update(struct
> amdgpu_device *adev, struct amdgpu_device_
>          } else if (DEVICE_ATTR_IS(pp_dpm_dclk)) {
>                  if (!(asic_type == CHIP_VANGOGH || asic_type ==
> CHIP_SIENNA_CICHLID))
>                          *states = ATTR_STATE_UNSUPPORTED;
> +       } else if (DEVICE_ATTR_IS(pp_power_profile_mode)) {
> +               if (asic_type == CHIP_YELLOW_CARP)
> +                       *states = ATTR_STATE_UNSUPPORTED;
>          }
> 
>          switch (asic_type) {
> 
> So we don't expose the sysfs knob on the YC, but that can be a follow
> up patch if you want.

I guess for now something like that makes sense.  I'll send a follow up.

> 
> Acked-by: Alex Deucher <alexander.deucher at amd.com>
> 
>> ---
>> Changes from v1->v2:
>>   * Drop changes to RN and VGH as the deprecation is only in YC.
>>   * Leave PPSMC_MSG_ActiveProcessNotify message but mark deprecated
>>   * Rename PPSMC_MSG_SPARE0 to align to the name used by PMFW (PPSMC_MSG_SPARE)
>>
>>   .../gpu/drm/amd/pm/inc/smu_v13_0_1_ppsmc.h    |  4 +-
>>   .../drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c  | 87 -------------------
>>   2 files changed, 2 insertions(+), 89 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/pm/inc/smu_v13_0_1_ppsmc.h b/drivers/gpu/drm/amd/pm/inc/smu_v13_0_1_ppsmc.h
>> index 1d3447991d0c..fc9198846e70 100644
>> --- a/drivers/gpu/drm/amd/pm/inc/smu_v13_0_1_ppsmc.h
>> +++ b/drivers/gpu/drm/amd/pm/inc/smu_v13_0_1_ppsmc.h
>> @@ -51,7 +51,7 @@
>>   #define PPSMC_MSG_PowerUpVcn                    0x07 ///< Power up VCN; VCN is power gated by default
>>   #define PPSMC_MSG_SetHardMinVcn                 0x08 ///< For wireless display
>>   #define PPSMC_MSG_SetSoftMinGfxclk              0x09 ///< Set SoftMin for GFXCLK, argument is frequency in MHz
>> -#define PPSMC_MSG_ActiveProcessNotify           0x0A ///< Set active work load type
>> +#define PPSMC_MSG_ActiveProcessNotify           0x0A ///< Deprecated (Not to be used)
>>   #define PPSMC_MSG_ForcePowerDownGfx             0x0B ///< Force power down GFX, i.e. enter GFXOFF
>>   #define PPSMC_MSG_PrepareMp1ForUnload           0x0C ///< Prepare PMFW for GFX driver unload
>>   #define PPSMC_MSG_SetDriverDramAddrHigh         0x0D ///< Set high 32 bits of DRAM address for Driver table transfer
>> @@ -63,7 +63,7 @@
>>   #define PPSMC_MSG_SetHardMinSocclkByFreq        0x13 ///< Set hard min for SOC CLK
>>   #define PPSMC_MSG_SetSoftMinFclk                0x14 ///< Set hard min for FCLK
>>   #define PPSMC_MSG_SetSoftMinVcn                 0x15 ///< Set soft min for VCN clocks (VCLK and DCLK)
>> -#define PPSMC_MSG_SPARE0                        0x16 ///< Spared
>> +#define PPSMC_MSG_SPARE                         0x16 ///< Spare
>>   #define PPSMC_MSG_GetGfxclkFrequency            0x17 ///< Get GFX clock frequency
>>   #define PPSMC_MSG_GetFclkFrequency              0x18 ///< Get FCLK frequency
>>   #define PPSMC_MSG_AllowGfxOff                   0x19 ///< Inform PMFW of allowing GFXOFF entry
>> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
>> index a403657151ba..8215bbf5ed7c 100644
>> --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
>> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
>> @@ -64,7 +64,6 @@ static struct cmn2asic_msg_mapping yellow_carp_message_map[SMU_MSG_MAX_COUNT] =
>>          MSG_MAP(PowerDownVcn,                   PPSMC_MSG_PowerDownVcn,                 1),
>>          MSG_MAP(PowerUpVcn,                     PPSMC_MSG_PowerUpVcn,                   1),
>>          MSG_MAP(SetHardMinVcn,                  PPSMC_MSG_SetHardMinVcn,                1),
>> -       MSG_MAP(ActiveProcessNotify,            PPSMC_MSG_ActiveProcessNotify,          1),
>>          MSG_MAP(PrepareMp1ForUnload,            PPSMC_MSG_PrepareMp1ForUnload,      1),
>>          MSG_MAP(SetDriverDramAddrHigh,          PPSMC_MSG_SetDriverDramAddrHigh,        1),
>>          MSG_MAP(SetDriverDramAddrLow,           PPSMC_MSG_SetDriverDramAddrLow,         1),
>> @@ -135,14 +134,6 @@ static struct cmn2asic_mapping yellow_carp_table_map[SMU_TABLE_COUNT] = {
>>          TAB_MAP_VALID(CUSTOM_DPM),
>>          TAB_MAP_VALID(DPMCLOCKS),
>>   };
>> -
>> -static struct cmn2asic_mapping yellow_carp_workload_map[PP_SMC_POWER_PROFILE_COUNT] = {
>> -       WORKLOAD_MAP(PP_SMC_POWER_PROFILE_FULLSCREEN3D,         WORKLOAD_PPLIB_FULL_SCREEN_3D_BIT),
>> -       WORKLOAD_MAP(PP_SMC_POWER_PROFILE_VIDEO,                WORKLOAD_PPLIB_VIDEO_BIT),
>> -       WORKLOAD_MAP(PP_SMC_POWER_PROFILE_VR,                   WORKLOAD_PPLIB_VR_BIT),
>> -       WORKLOAD_MAP(PP_SMC_POWER_PROFILE_COMPUTE,              WORKLOAD_PPLIB_COMPUTE_BIT),
>> -       WORKLOAD_MAP(PP_SMC_POWER_PROFILE_CUSTOM,               WORKLOAD_PPLIB_CUSTOM_BIT),
>> -};
>>
>>   static int yellow_carp_init_smc_tables(struct smu_context *smu)
>>   {
>> @@ -543,81 +534,6 @@ static int yellow_carp_set_watermarks_table(struct smu_context *smu,
>>          return 0;
>>   }
>>
>> -static int yellow_carp_get_power_profile_mode(struct smu_context *smu,
>> -                                               char *buf)
>> -{
>> -       static const char *profile_name[] = {
>> -                                       "BOOTUP_DEFAULT",
>> -                                       "3D_FULL_SCREEN",
>> -                                       "POWER_SAVING",
>> -                                       "VIDEO",
>> -                                       "VR",
>> -                                       "COMPUTE",
>> -                                       "CUSTOM"};
>> -       uint32_t i, size = 0;
>> -       int16_t workload_type = 0;
>> -
>> -       if (!buf)
>> -               return -EINVAL;
>> -
>> -       for (i = 0; i <= PP_SMC_POWER_PROFILE_CUSTOM; i++) {
>> -               /*
>> -                * Conv PP_SMC_POWER_PROFILE* to WORKLOAD_PPLIB_*_BIT.
>> -                * Not all profile modes are supported on yellow carp.
>> -                */
>> -               workload_type = smu_cmn_to_asic_specific_index(smu,
>> -                                                              CMN2ASIC_MAPPING_WORKLOAD,
>> -                                                              i);
>> -
>> -               if (workload_type < 0)
>> -                       continue;
>> -
>> -               size += sysfs_emit_at(buf, size, "%2d %14s%s\n",
>> -                       i, profile_name[i], (i == smu->power_profile_mode) ? "*" : " ");
>> -       }
>> -
>> -       return size;
>> -}
>> -
>> -static int yellow_carp_set_power_profile_mode(struct smu_context *smu,
>> -                                               long *input, uint32_t size)
>> -{
>> -       int workload_type, ret;
>> -       uint32_t profile_mode = input[size];
>> -
>> -       if (profile_mode > PP_SMC_POWER_PROFILE_CUSTOM) {
>> -               dev_err(smu->adev->dev, "Invalid power profile mode %d\n", profile_mode);
>> -               return -EINVAL;
>> -       }
>> -
>> -       if (profile_mode == PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT ||
>> -                       profile_mode == PP_SMC_POWER_PROFILE_POWERSAVING)
>> -               return 0;
>> -
>> -       /* conv PP_SMC_POWER_PROFILE* to WORKLOAD_PPLIB_*_BIT */
>> -       workload_type = smu_cmn_to_asic_specific_index(smu,
>> -                                                      CMN2ASIC_MAPPING_WORKLOAD,
>> -                                                      profile_mode);
>> -       if (workload_type < 0) {
>> -               dev_dbg(smu->adev->dev, "Unsupported power profile mode %d on YELLOWCARP\n",
>> -                                       profile_mode);
>> -               return -EINVAL;
>> -       }
>> -
>> -       ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_ActiveProcessNotify,
>> -                                   1 << workload_type,
>> -                                   NULL);
>> -       if (ret) {
>> -               dev_err_once(smu->adev->dev, "Fail to set workload type %d\n",
>> -                                       workload_type);
>> -               return ret;
>> -       }
>> -
>> -       smu->power_profile_mode = profile_mode;
>> -
>> -       return 0;
>> -}
>> -
>>   static ssize_t yellow_carp_get_gpu_metrics(struct smu_context *smu,
>>                                                  void **table)
>>   {
>> @@ -1238,8 +1154,6 @@ static const struct pptable_funcs yellow_carp_ppt_funcs = {
>>          .read_sensor = yellow_carp_read_sensor,
>>          .is_dpm_running = yellow_carp_is_dpm_running,
>>          .set_watermarks_table = yellow_carp_set_watermarks_table,
>> -       .get_power_profile_mode = yellow_carp_get_power_profile_mode,
>> -       .set_power_profile_mode = yellow_carp_set_power_profile_mode,
>>          .get_gpu_metrics = yellow_carp_get_gpu_metrics,
>>          .get_enabled_mask = smu_cmn_get_enabled_32_bits_mask,
>>          .get_pp_feature_mask = smu_cmn_get_pp_feature_mask,
>> @@ -1261,6 +1175,5 @@ void yellow_carp_set_ppt_funcs(struct smu_context *smu)
>>          smu->message_map = yellow_carp_message_map;
>>          smu->feature_map = yellow_carp_feature_mask_map;
>>          smu->table_map = yellow_carp_table_map;
>> -       smu->workload_map = yellow_carp_workload_map;
>>          smu->is_apu = true;
>>   }
>>
>> base-commit: b785098f70a5ed2488becbdd5921054053034439
>> --
>> 2.25.1
>>



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