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drm/amd/powerplay: implement set_mmhub_powergating_by_smu for Raven

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mmhub PG is enabled by SMU FW only for Raven.

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2018-02-06 14:42:04 -05:00 committed by Alex Deucher
parent 913fa7a14d
commit b01a4f4897
2 changed files with 8 additions and 1 deletions
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6
drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
View File

@ -1026,6 +1026,11 @@ static int rv_read_sensor(struct pp_hwmgr *hwmgr, int idx,
return ret;
}
static int rv_set_mmhub_powergating_by_smu(struct pp_hwmgr *hwmgr)
{
return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerGateMmHub);
}
static const struct pp_hwmgr_func rv_hwmgr_funcs = {
.backend_init = rv_hwmgr_backend_init,
.backend_fini = rv_hwmgr_backend_fini,
@ -1059,6 +1064,7 @@ static const struct pp_hwmgr_func rv_hwmgr_funcs = {
.asic_setup = rv_setup_asic_task,
.power_state_set = rv_set_power_state_tasks,
.dynamic_state_management_disable = rv_disable_dpm_tasks,
.set_mmhub_powergating_by_smu = rv_set_mmhub_powergating_by_smu,
};
int rv_init_function_pointers(struct pp_hwmgr *hwmgr)

3
drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h
View File

@ -80,7 +80,8 @@
#define PPSMC_MSG_SetSoftMaxSocclkByFreq 0x32
#define PPSMC_MSG_SetSoftMaxFclkByFreq 0x33
#define PPSMC_MSG_SetSoftMaxVcn 0x34
#define PPSMC_Message_Count 0x35
#define PPSMC_MSG_PowerGateMmHub 0x35
#define PPSMC_Message_Count 0x36
typedef uint16_t PPSMC_Result;