<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="ZH-CN" link="#0563C1" vlink="#954F72" style="word-wrap:break-word"> [AMD Official Use Only - General] <div> <div class="WordSection1"> Reviewed-by: Kenneth Feng <<a href="mailto:kenneth.feng@amd.com" title="mailto:kenneth.feng@amd.com">kenneth.feng@amd.com</a>><o:p></o:p> <o:p> </o:p> <div> <div> <div> Best wishes<o:p></o:p> Kenneth Feng <o:p></o:p> </div> </div> </div> <o:p> </o:p> <o:p> </o:p> <div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"> 发件人: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> 代表 Yang Wang <KevinYang.Wang@amd.com> 日期: 星期三, 2022年5月11日 15:01 收件人: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org> 抄送: Wang, Yang(Kevin) <KevinYang.Wang@amd.com> 主题: [PATCH] drm/amd/pm: add smu power_limit callback for smu_v13_0_7<o:p></o:p> </div> <div> [CAUTION: External Email] - get_power_limit - set_power_limit add above callback functions to enable power_cap hwmon node. Signed-off-by: Yang Wang <KevinYang.Wang@amd.com> --- .../drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c index 7c9e0ba7ab50..4e1861fb2c6a 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c @@ -1367,6 +1367,43 @@ static int smu_v13_0_7_enable_mgpu_fan_boost(struct smu_context *smu) NULL); } +static int smu_v13_0_7_get_power_limit(struct smu_context *smu, + uint32_t *current_power_limit, + uint32_t *default_power_limit, + uint32_t *max_power_limit) +{ + struct smu_table_context *table_context = &smu->smu_table; + struct smu_13_0_7_powerplay_table *powerplay_table = + (struct smu_13_0_7_powerplay_table *)table_context->power_play_table; + PPTable_t *pptable = table_context->driver_pptable; + SkuTable_t *skutable = &pptable->SkuTable; + uint32_t power_limit, od_percent; + + if (smu_v13_0_get_current_power_limit(smu, &power_limit)) + power_limit = smu->adev->pm.ac_power ? + skutable->SocketPowerLimitAc[PPT_THROTTLER_PPT0] : + skutable->SocketPowerLimitDc[PPT_THROTTLER_PPT0]; + + if (current_power_limit) + *current_power_limit = power_limit; + if (default_power_limit) + *default_power_limit = power_limit; + + if (max_power_limit) { + if (smu->od_enabled) { + od_percent = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]); + + dev_dbg(smu->adev->dev, "ODSETTING_POWERPERCENTAGE: %d (default: %d)\n", od_percent, power_limit); + + power_limit *= (100 + od_percent); + power_limit /= 100; + } + *max_power_limit = power_limit; + } + + return 0; +} + static int smu_v13_0_7_get_power_profile_mode(struct smu_context *smu, char *buf) { DpmActivityMonitorCoeffIntExternal_t activity_monitor_external[PP_SMC_POWER_PROFILE_COUNT]; @@ -1539,6 +1576,8 @@ static const struct pptable_funcs smu_v13_0_7_ppt_funcs = { .get_fan_control_mode = smu_v13_0_get_fan_control_mode, .set_fan_control_mode = smu_v13_0_set_fan_control_mode, .enable_mgpu_fan_boost = smu_v13_0_7_enable_mgpu_fan_boost, + .get_power_limit = smu_v13_0_7_get_power_limit, + .set_power_limit = smu_v13_0_set_power_limit, .get_power_profile_mode = smu_v13_0_7_get_power_profile_mode, .set_power_profile_mode = smu_v13_0_7_set_power_profile_mode, .set_tool_table_location = smu_v13_0_set_tool_table_location, -- 2.25.1<o:p></o:p> </div> </div> </div> </body> </html>