diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_clockpowergating.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_clockpowergating.c | 430 |
1 files changed, 430 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_clockpowergating.c new file mode 100644 index 000000000..8f142a74a --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_clockpowergating.c @@ -0,0 +1,430 @@ +/* + * Copyright 2016 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "polaris10_clockpowergating.h" + +int polaris10_phm_powerdown_uvd(struct pp_hwmgr *hwmgr) +{ + if (phm_cf_want_uvd_power_gating(hwmgr)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_UVDPowerOFF); + return 0; +} + +int polaris10_phm_powerup_uvd(struct pp_hwmgr *hwmgr) +{ + if (phm_cf_want_uvd_power_gating(hwmgr)) { + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_UVDDynamicPowerGating)) { + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_UVDPowerON, 1); + } else { + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_UVDPowerON, 0); + } + } + + return 0; +} + +int polaris10_phm_powerdown_vce(struct pp_hwmgr *hwmgr) +{ + if (phm_cf_want_vce_power_gating(hwmgr)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_VCEPowerOFF); + return 0; +} + +int polaris10_phm_powerup_vce(struct pp_hwmgr *hwmgr) +{ + if (phm_cf_want_vce_power_gating(hwmgr)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_VCEPowerON); + return 0; +} + +int polaris10_phm_powerdown_samu(struct pp_hwmgr *hwmgr) +{ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SamuPowerGating)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_SAMPowerOFF); + return 0; +} + +int polaris10_phm_powerup_samu(struct pp_hwmgr *hwmgr) +{ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SamuPowerGating)) + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_SAMPowerON); + return 0; +} + +int polaris10_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr) +{ + struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); + + data->uvd_power_gated = false; + data->vce_power_gated = false; + data->samu_power_gated = false; + + polaris10_phm_powerup_uvd(hwmgr); + polaris10_phm_powerup_vce(hwmgr); + polaris10_phm_powerup_samu(hwmgr); + + return 0; +} + +int polaris10_phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); + + if (data->uvd_power_gated == bgate) + return 0; + + data->uvd_power_gated = bgate; + + if (bgate) { + polaris10_update_uvd_dpm(hwmgr, true); + polaris10_phm_powerdown_uvd(hwmgr); + } else { + polaris10_phm_powerup_uvd(hwmgr); + polaris10_update_uvd_dpm(hwmgr, false); + } + + return 0; +} + +int polaris10_phm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); + + if (data->vce_power_gated == bgate) + return 0; + + data->vce_power_gated = bgate; + + if (bgate) + polaris10_phm_powerdown_vce(hwmgr); + else + polaris10_phm_powerup_vce(hwmgr); + + return 0; +} + +int polaris10_phm_powergate_samu(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); + + if (data->samu_power_gated == bgate) + return 0; + + data->samu_power_gated = bgate; + + if (bgate) { + polaris10_update_samu_dpm(hwmgr, true); + polaris10_phm_powerdown_samu(hwmgr); + } else { + polaris10_phm_powerup_samu(hwmgr); + polaris10_update_samu_dpm(hwmgr, false); + } + + return 0; +} + +int polaris10_phm_update_clock_gatings(struct pp_hwmgr *hwmgr, + const uint32_t *msg_id) +{ + PPSMC_Msg msg; + uint32_t value; + + switch ((*msg_id & PP_GROUP_MASK) >> PP_GROUP_SHIFT) { + case PP_GROUP_GFX: + switch ((*msg_id & PP_BLOCK_MASK) >> PP_BLOCK_SHIFT) { + case PP_BLOCK_GFX_CG: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_GFX_CGCG_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS + ? PPSMC_MSG_EnableClockGatingFeature + : PPSMC_MSG_DisableClockGatingFeature; + value = CG_GFX_CGLS_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_GFX_3D: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_GFX_3DCG_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_GFX_3DLS_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_GFX_RLC: + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_GFX_RLC_LS_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_GFX_CP: + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_GFX_CP_LS_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_GFX_MG: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = (CG_CPF_MGCG_MASK | CG_RLC_MGCG_MASK | + CG_GFX_OTHERS_MGCG_MASK); + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + break; + + default: + return -1; + } + break; + + case PP_GROUP_SYS: + switch ((*msg_id & PP_BLOCK_MASK) >> PP_BLOCK_SHIFT) { + case PP_BLOCK_SYS_BIF: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_CG ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_BIF_MGCG_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_BIF_MGLS_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_SYS_MC: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_MC_MGCG_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_MC_MGLS_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_SYS_DRM: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_CG ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_DRM_MGCG_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_DRM_MGLS_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_SYS_HDP: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_HDP_MGCG_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_HDP_MGLS_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_SYS_SDMA: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_SDMA_MGCG_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + + if (PP_STATE_SUPPORT_LS & *msg_id) { + msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_SDMA_MGLS_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + break; + + case PP_BLOCK_SYS_ROM: + if (PP_STATE_SUPPORT_CG & *msg_id) { + msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ? + PPSMC_MSG_EnableClockGatingFeature : + PPSMC_MSG_DisableClockGatingFeature; + value = CG_SYS_ROM_MASK; + + if (smum_send_msg_to_smc_with_parameter( + hwmgr->smumgr, msg, value)) + return -1; + } + break; + + default: + return -1; + + } + break; + + default: + return -1; + + } + + return 0; +} + +/* This function is for Polaris11 only for now, + * Powerplay will only control the static per CU Power Gating. + * Dynamic per CU Power Gating will be done in gfx. + */ +int polaris10_phm_enable_per_cu_power_gating(struct pp_hwmgr *hwmgr, bool enable) +{ + struct cgs_system_info sys_info = {0}; + uint32_t active_cus; + int result; + + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_GFX_CU_INFO; + + result = cgs_query_system_info(hwmgr->device, &sys_info); + + if (result) + return -EINVAL; + else + active_cus = sys_info.value; + + if (enable) + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_GFX_CU_PG_ENABLE, active_cus); + else + return smum_send_msg_to_smc(hwmgr->smumgr, + PPSMC_MSG_GFX_CU_PG_DISABLE); +} |