<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> </head> <body> Hi Eric, We have sysfs pp-dpm-sclk/mclk to set min dpm level Best Regards Rex <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr">From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Eric Huang <jinhuieric.huang@amd.com> Sent: Thursday, January 25, 2018 12:04:55 AM To: amd-gfx@lists.freedesktop.org Subject: Re: [PATCH 4/4] drm/amd/pp: Implement set_power_profile_mode on smu7 <div> </div> </div> <div class="BodyFragment"> <div class="PlainText">We have min_sclk and min_mclk in previous power profile parameters for VI, which are similar with min_active_level for Vega10. How to implement these parameters? Regards, Eric On 2018-01-24 04:37 AM, Rex Zhu wrote: > User can set smu7 profile pamameters through sysfs > > echo "0/1/2/3/4">pp_power_profile_mode > to select 3D_FULL_SCREEN/POWER_SAVING/VIDEO/VR/COMPUTE > mode. > echo "5 * * * * * * * *">pp_power_profile_mode > to config custom mode. > "5 * * * * * * * *" mean "CUSTOM enable_sclk SCLK_UP_HYST > SCLK_DOWN_HYST SCLK_ACTIVE_LEVEL enable_mclk MCLK_UP_HYST > MCLK_DOWN_HYST MCLK_ACTIVE_LEVEL" > > Change-Id: Ic6d6f37363bc81ab17051285f6ace847edf725de > Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> > --- > drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 49 +++++++++++++++++++++++- > 1 file changed, 48 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c > index 9f6afd5..13db75c 100644 > --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c > +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c > @@ -5036,7 +5036,54 @@ static int smu7_get_power_profile_mode(struct pp_hwmgr *hwmgr, char *buf) > > static int smu7_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, uint32_t size) > { > - /* To Do */ > + struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); > + struct profile_mode_setting tmp; > + > + hwmgr->power_profile_mode = input[size]; > + > + switch (hwmgr->power_profile_mode) { > + case PP_SMC_POWER_PROFILE_CUSTOM: > + if (size < 8) > + return -EINVAL; > + > + data->custom_profile_setting.bupdate_sclk = input[0]; > + data->custom_profile_setting.sclk_up_hyst = input[1]; > + data->custom_profile_setting.sclk_down_hyst = input[2]; > + data->custom_profile_setting.sclk_activity = input[3]; > + data->custom_profile_setting.bupdate_mclk = input[4]; > + data->custom_profile_setting.mclk_up_hyst = input[5]; > + data->custom_profile_setting.mclk_down_hyst = input[6]; > + data->custom_profile_setting.mclk_activity = input[7]; > + if (!smum_update_dpm_settings(hwmgr, &data->custom_profile_setting)) > + memcpy(&data->current_profile_setting, &data->custom_profile_setting, sizeof(struct profile_mode_setting)); > + break; > + case PP_SMC_POWER_PROFILE_FULLSCREEN3D: > + case PP_SMC_POWER_PROFILE_POWERSAVING: > + case PP_SMC_POWER_PROFILE_VIDEO: > + case PP_SMC_POWER_PROFILE_VR: > + case PP_SMC_POWER_PROFILE_COMPUTE: > + memcpy(&tmp, &smu7_profiling[hwmgr->power_profile_mode], sizeof(struct profile_mode_setting)); > + if (!smum_update_dpm_settings(hwmgr, &tmp)) { > + if (tmp.bupdate_sclk) { > + data->current_profile_setting.bupdate_sclk = tmp.bupdate_sclk; > + data->current_profile_setting.sclk_up_hyst = tmp.sclk_up_hyst; > + data->current_profile_setting.sclk_down_hyst = tmp.sclk_down_hyst; > + data->current_profile_setting.sclk_activity = tmp.sclk_activity; > + } > + if (tmp.bupdate_mclk) { > + data->current_profile_setting.bupdate_mclk = tmp.bupdate_mclk; > + data->current_profile_setting.mclk_up_hyst = tmp.mclk_up_hyst; > + data->current_profile_setting.mclk_down_hyst = tmp.mclk_down_hyst; > + data->current_profile_setting.mclk_activity = tmp.mclk_activity; > + } > + } > + break; > + case PP_SMC_POWER_PROFILE_AUTO: /* TO DO auto wattman feature not implement */ > + return 0; > + default: > + return -EINVAL; > + } > + > return 0; > } > _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a> </div> </div> </body> </html>