diff options
| author | Eric Huang <jinhuieric.huang@amd.com> | 2021-03-12 12:43:32 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-03-23 23:30:55 -0400 |
| commit | 6e58941cff74aac49659abc8b27740c0457c2397 (patch) | |
| tree | 40e0e4db9b686cb880e06ac280ae1cc01a78555e /drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c | |
| parent | 616cf23b6cf40ad6f03ffbddfa1b6c4eb68d8ae1 (diff) | |
drm/amd/pm: add a new sysfs entry for default power limit
Driver doesn't keep the default bootup power limit and expose it
to user. As requested we add it in driver.
Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c index d9f60dc714bc..c5b387360f01 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c @@ -1756,7 +1756,7 @@ static int vangogh_get_power_limit(struct smu_context *smu) return ret; } /* convert from milliwatt to watt */ - smu->current_power_limit = ppt_limit / 1000; + smu->current_power_limit = smu->default_power_limit = ppt_limit / 1000; smu->max_power_limit = 29; ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetFastPPTLimit, &ppt_limit); @@ -1765,7 +1765,8 @@ static int vangogh_get_power_limit(struct smu_context *smu) return ret; } /* convert from milliwatt to watt */ - power_context->current_fast_ppt_limit = ppt_limit / 1000; + power_context->current_fast_ppt_limit = + power_context->default_fast_ppt_limit = ppt_limit / 1000; power_context->max_fast_ppt_limit = 30; return ret; @@ -1790,6 +1791,9 @@ static int vangogh_get_ppt_limit(struct smu_context *smu, case SMU_PPT_LIMIT_CURRENT: *ppt_limit = power_context->current_fast_ppt_limit; break; + case SMU_PPT_LIMIT_DEFAULT: + *ppt_limit = power_context->default_fast_ppt_limit; + break; default: break; } |