linux/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_clockpowergating.c
Flora Cui 2cc0c0b5cd drm/amdgpu: change ELM/BAF to Polaris10/Polaris11
Adjust to preferred code names.

Signed-off-by: Flora Cui <Flora.Cui@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04 20:27:57 -04:00

429 lines
11 KiB
C

/*
* 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;
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);
}