diff options
author | Rex Zhu <Rex.Zhu@amd.com> | 2018-02-23 16:52:41 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2018-03-06 13:12:06 -0500 |
commit | 6dcd30aa11b84eb78d67fc9c081fd343abaaaef5 (patch) | |
tree | e762ff5e6ff6499ad00104e57ab2b4fafb68215d | |
parent | fdd62a40d4f379c018895a6596ab6639b32bea50 (diff) | |
download | linux-6dcd30aa11b84eb78d67fc9c081fd343abaaaef5.tar.bz2 |
drm/amd/pp: Implement update_dpm_settings on CI
use SW method to update DPM settings by updating SRAM
directly on CI.
Reviewed-by: Alex Deucher <alexdeucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c index 76f700fe7491..179d00cd5514 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c @@ -2819,6 +2819,102 @@ static int ci_start_smu(struct pp_hwmgr *hwmgr) return 0; } +static int ci_update_dpm_settings(struct pp_hwmgr *hwmgr, + void *profile_setting) +{ + struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); + struct ci_smumgr *smu_data = (struct ci_smumgr *) + (hwmgr->smu_backend); + struct profile_mode_setting *setting; + struct SMU7_Discrete_GraphicsLevel *levels = + smu_data->smc_state_table.GraphicsLevel; + uint32_t array = smu_data->dpm_table_start + + offsetof(SMU7_Discrete_DpmTable, GraphicsLevel); + + uint32_t mclk_array = smu_data->dpm_table_start + + offsetof(SMU7_Discrete_DpmTable, MemoryLevel); + struct SMU7_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(SMU7_Discrete_GraphicsLevel) * i) + + offsetof(SMU7_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].UpH != setting->sclk_up_hyst || + levels[i].DownH != setting->sclk_down_hyst) { + levels[i].UpH = setting->sclk_up_hyst; + levels[i].DownH = setting->sclk_down_hyst; + up_hyst_offset = array + (sizeof(SMU7_Discrete_GraphicsLevel) * i) + + offsetof(SMU7_Discrete_GraphicsLevel, UpH); + down_hyst_offset = array + (sizeof(SMU7_Discrete_GraphicsLevel) * i) + + offsetof(SMU7_Discrete_GraphicsLevel, DownH); + 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].UpH, sizeof(uint8_t)); + tmp = phm_set_field_to_u32(down_hyst_offset, tmp, levels[i].DownH, 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(SMU7_Discrete_MemoryLevel) * i) + + offsetof(SMU7_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].UpH != setting->mclk_up_hyst || + mclk_levels[i].DownH != setting->mclk_down_hyst) { + mclk_levels[i].UpH = setting->mclk_up_hyst; + mclk_levels[i].DownH = setting->mclk_down_hyst; + up_hyst_offset = mclk_array + (sizeof(SMU7_Discrete_MemoryLevel) * i) + + offsetof(SMU7_Discrete_MemoryLevel, UpH); + down_hyst_offset = mclk_array + (sizeof(SMU7_Discrete_MemoryLevel) * i) + + offsetof(SMU7_Discrete_MemoryLevel, DownH); + 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].UpH, sizeof(uint8_t)); + tmp = phm_set_field_to_u32(down_hyst_offset, tmp, mclk_levels[i].DownH, 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 ci_smu_funcs = { .smu_init = ci_smu_init, .smu_fini = ci_smu_fini, @@ -2841,4 +2937,5 @@ const struct pp_smumgr_func ci_smu_funcs = { .initialize_mc_reg_table = ci_initialize_mc_reg_table, .is_dpm_running = ci_is_dpm_running, .populate_requested_graphic_levels = ci_populate_requested_graphic_levels, + .update_dpm_settings = ci_update_dpm_settings, }; |