diff options
author | Rex Zhu <Rex.Zhu@amd.com> | 2016-09-09 13:25:22 +0800 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2016-09-19 13:22:10 -0400 |
commit | 599a7e9fe1b683d04f889d68f866f5548b1e0239 (patch) | |
tree | 431dbac8284d21d8c517036cc2bf1b85575d5b13 /drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c | |
parent | ee1a51f882f6197e05948de615842761c3386524 (diff) | |
download | op-kernel-dev-599a7e9fe1b683d04f889d68f866f5548b1e0239.zip op-kernel-dev-599a7e9fe1b683d04f889d68f866f5548b1e0239.tar.gz |
drm/amd/powerplay: implement smu7 hwmgr to manager asics with smu ip version 7.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c | 488 |
1 files changed, 488 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c new file mode 100644 index 0000000..6eb6db1 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c @@ -0,0 +1,488 @@ +/* + * 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 "smu7_hwmgr.h" +#include "smu7_clockpowergating.h" +#include "smu7_common.h" + +static int smu7_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable) +{ + return smum_send_msg_to_smc(hwmgr->smumgr, enable ? + PPSMC_MSG_UVDDPM_Enable : + PPSMC_MSG_UVDDPM_Disable); +} + +static int smu7_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable) +{ + return smum_send_msg_to_smc(hwmgr->smumgr, enable ? + PPSMC_MSG_VCEDPM_Enable : + PPSMC_MSG_VCEDPM_Disable); +} + +static int smu7_enable_disable_samu_dpm(struct pp_hwmgr *hwmgr, bool enable) +{ + return smum_send_msg_to_smc(hwmgr->smumgr, enable ? + PPSMC_MSG_SAMUDPM_Enable : + PPSMC_MSG_SAMUDPM_Disable); +} + +static int smu7_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate) +{ + if (!bgate) + smum_update_smc_table(hwmgr, SMU_UVD_TABLE); + return smu7_enable_disable_uvd_dpm(hwmgr, !bgate); +} + +static int smu7_update_vce_dpm(struct pp_hwmgr *hwmgr, bool bgate) +{ + if (!bgate) + smum_update_smc_table(hwmgr, SMU_VCE_TABLE); + return smu7_enable_disable_vce_dpm(hwmgr, !bgate); +} + +static int smu7_update_samu_dpm(struct pp_hwmgr *hwmgr, bool bgate) +{ + if (!bgate) + smum_update_smc_table(hwmgr, SMU_SAMU_TABLE); + return smu7_enable_disable_samu_dpm(hwmgr, !bgate); +} + +int smu7_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 smu7_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 smu7_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 smu7_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 smu7_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 smu7_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 smu7_disable_clock_power_gating(struct pp_hwmgr *hwmgr) +{ + struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); + + data->uvd_power_gated = false; + data->vce_power_gated = false; + data->samu_power_gated = false; + + smu7_powerup_uvd(hwmgr); + smu7_powerup_vce(hwmgr); + smu7_powerup_samu(hwmgr); + + return 0; +} + +int smu7_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); + + data->uvd_power_gated = bgate; + + if (bgate) { + cgs_set_clockgating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_UVD, + AMD_CG_STATE_GATE); + smu7_update_uvd_dpm(hwmgr, true); + smu7_powerdown_uvd(hwmgr); + } else { + smu7_powerup_uvd(hwmgr); + smu7_update_uvd_dpm(hwmgr, false); + cgs_set_clockgating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_UVD, + AMD_CG_STATE_UNGATE); + } + + return 0; +} + +int smu7_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); + + if (data->vce_power_gated == bgate) + return 0; + + data->vce_power_gated = bgate; + + if (bgate) { + cgs_set_clockgating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_VCE, + AMD_CG_STATE_GATE); + smu7_update_vce_dpm(hwmgr, true); + smu7_powerdown_vce(hwmgr); + } else { + smu7_powerup_vce(hwmgr); + smu7_update_vce_dpm(hwmgr, false); + cgs_set_clockgating_state(hwmgr->device, + AMD_IP_BLOCK_TYPE_VCE, + AMD_CG_STATE_UNGATE); + } + return 0; +} + +int smu7_powergate_samu(struct pp_hwmgr *hwmgr, bool bgate) +{ + struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); + + if (data->samu_power_gated == bgate) + return 0; + + data->samu_power_gated = bgate; + + if (bgate) { + smu7_update_samu_dpm(hwmgr, true); + smu7_powerdown_samu(hwmgr); + } else { + smu7_powerup_samu(hwmgr); + smu7_update_samu_dpm(hwmgr, false); + } + + return 0; +} + +int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr, + const uint32_t *msg_id) +{ + PPSMC_Msg msg; + uint32_t value; + + if (!(hwmgr->feature_mask & PP_ENABLE_GFX_CG_THRU_SMU)) + return 0; + + 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 -EINVAL; + } + 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 -EINVAL; + } + 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 -EINVAL; + } + + 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 -EINVAL; + } + 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 -EINVAL; + } + 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 -EINVAL; + } + 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 -EINVAL; + } + break; + + default: + return -EINVAL; + } + 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 -EINVAL; + } + 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 -EINVAL; + } + 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 -EINVAL; + } + + 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 -EINVAL; + } + 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 -EINVAL; + } + 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 -EINVAL; + } + 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 -EINVAL; + } + + 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 -EINVAL; + } + 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 -EINVAL; + } + + 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 -EINVAL; + } + 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 -EINVAL; + } + break; + + default: + return -EINVAL; + + } + break; + + default: + return -EINVAL; + + } + + 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 smu7_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; + + 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); +} |