use SW method to update DPM settings by updating SRAM directly on Fiji. Change-Id: Ic485e526332a0f1a169d395dfe810d71e5bdfea8 Signed-off-by: Rex Zhu <Rex.Zhu at amd.com> --- drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c | 97 ++++++++++++++++++++++ 1 file changed, 97 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c index 047b2df..fc556f0 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c @@ -2719,6 +2719,102 @@ static int fiji_populate_requested_graphic_levels(struct pp_hwmgr *hwmgr, array_size, SMC_RAM_END); } +static int fiji_update_dpm_settings(struct pp_hwmgr *hwmgr, + void *profile_setting) +{ + struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); + struct fiji_smumgr *smu_data = (struct fiji_smumgr *) + (hwmgr->smu_backend); + struct profile_mode_setting *setting; + struct SMU73_Discrete_GraphicsLevel *levels = + smu_data->smc_state_table.GraphicsLevel; + uint32_t array = smu_data->smu7_data.dpm_table_start + + offsetof(SMU73_Discrete_DpmTable, GraphicsLevel); + + uint32_t mclk_array = smu_data->smu7_data.dpm_table_start + + offsetof(SMU73_Discrete_DpmTable, MemoryLevel); + struct SMU73_Discrete_MemoryLevel *mclk_levels = + smu_data->smc_state_table.MemoryLevel; + uint32_t i; + uint32_t offset, up_hyst_offset, down_hyst_offset, clk_activity_offset, tmp; + + if (profile_setting == NULL) + return -EINVAL; + + setting = (struct profile_mode_setting *)profile_setting; + + if (setting->bupdate_sclk) { + if (!data->sclk_dpm_key_disabled) + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_FreezeLevel); + for (i = 0; i < smu_data->smc_state_table.GraphicsDpmLevelCount; i++) { + if (levels[i].ActivityLevel != + cpu_to_be16(setting->sclk_activity)) { + levels[i].ActivityLevel = cpu_to_be16(setting->sclk_activity); + + clk_activity_offset = array + (sizeof(SMU73_Discrete_GraphicsLevel) * i) + + offsetof(SMU73_Discrete_GraphicsLevel, ActivityLevel); + offset = clk_activity_offset & ~0x3; + tmp = PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset)); + tmp = phm_set_field_to_u32(clk_activity_offset, tmp, levels[i].ActivityLevel, sizeof(uint16_t)); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp)); + + } + if (levels[i].UpHyst != setting->sclk_up_hyst || + levels[i].DownHyst != setting->sclk_down_hyst) { + levels[i].UpHyst = setting->sclk_up_hyst; + levels[i].DownHyst = setting->sclk_down_hyst; + up_hyst_offset = array + (sizeof(SMU73_Discrete_GraphicsLevel) * i) + + offsetof(SMU73_Discrete_GraphicsLevel, UpHyst); + down_hyst_offset = array + (sizeof(SMU73_Discrete_GraphicsLevel) * i) + + offsetof(SMU73_Discrete_GraphicsLevel, DownHyst); + offset = up_hyst_offset & ~0x3; + tmp = PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset)); + tmp = phm_set_field_to_u32(up_hyst_offset, tmp, levels[i].UpHyst, sizeof(uint8_t)); + tmp = phm_set_field_to_u32(down_hyst_offset, tmp, levels[i].DownHyst, sizeof(uint8_t)); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp)); + } + } + if (!data->sclk_dpm_key_disabled) + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_UnfreezeLevel); + } + + if (setting->bupdate_mclk) { + if (!data->mclk_dpm_key_disabled) + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_FreezeLevel); + for (i = 0; i < smu_data->smc_state_table.MemoryDpmLevelCount; i++) { + if (mclk_levels[i].ActivityLevel != + cpu_to_be16(setting->mclk_activity)) { + mclk_levels[i].ActivityLevel = cpu_to_be16(setting->mclk_activity); + + clk_activity_offset = mclk_array + (sizeof(SMU73_Discrete_MemoryLevel) * i) + + offsetof(SMU73_Discrete_MemoryLevel, ActivityLevel); + offset = clk_activity_offset & ~0x3; + tmp = PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset)); + tmp = phm_set_field_to_u32(clk_activity_offset, tmp, mclk_levels[i].ActivityLevel, sizeof(uint16_t)); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp)); + + } + if (mclk_levels[i].UpHyst != setting->mclk_up_hyst || + mclk_levels[i].DownHyst != setting->mclk_down_hyst) { + mclk_levels[i].UpHyst = setting->mclk_up_hyst; + mclk_levels[i].DownHyst = setting->mclk_down_hyst; + up_hyst_offset = mclk_array + (sizeof(SMU73_Discrete_MemoryLevel) * i) + + offsetof(SMU73_Discrete_MemoryLevel, UpHyst); + down_hyst_offset = mclk_array + (sizeof(SMU73_Discrete_MemoryLevel) * i) + + offsetof(SMU73_Discrete_MemoryLevel, DownHyst); + offset = up_hyst_offset & ~0x3; + tmp = PP_HOST_TO_SMC_UL(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset)); + tmp = phm_set_field_to_u32(up_hyst_offset, tmp, mclk_levels[i].UpHyst, sizeof(uint8_t)); + tmp = phm_set_field_to_u32(down_hyst_offset, tmp, mclk_levels[i].DownHyst, sizeof(uint8_t)); + cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset, PP_HOST_TO_SMC_UL(tmp)); + } + } + if (!data->mclk_dpm_key_disabled) + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_UnfreezeLevel); + } + return 0; +} + const struct pp_smumgr_func fiji_smu_funcs = { .smu_init = &fiji_smu_init, .smu_fini = &smu7_smu_fini, @@ -2744,4 +2840,5 @@ static int fiji_populate_requested_graphic_levels(struct pp_hwmgr *hwmgr, .is_dpm_running = fiji_is_dpm_running, .populate_requested_graphic_levels = fiji_populate_requested_graphic_levels, .is_hw_avfs_present = fiji_is_hw_avfs_present, + .update_dpm_settings = fiji_update_dpm_settings, }; -- 1.9.1