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drm/amd/powerplay: always use fast UCLK switching when UCLK DPM enabled 

With UCLK DPM enabled, slow switching is not supported any more.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2018-11-07 09:16:07 +08:00 committed by Alex Deucher
parent 72deff05bd
commit 2d3030a00e
1 changed files with 17 additions and 20 deletions
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37
drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
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@ -830,6 +830,18 @@ static int vega20_enable_all_smu_features(struct pp_hwmgr *hwmgr)
return 0;
}
static int vega20_notify_smc_display_change(struct pp_hwmgr *hwmgr)
{
struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend);
if (data->smu_features[GNLD_DPM_UCLK].enabled)
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetUclkFastSwitch,
1);
return 0;
}
static int vega20_send_clock_ratio(struct pp_hwmgr *hwmgr)
{
struct vega20_hwmgr *data =
@ -1543,6 +1555,11 @@ static int vega20_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
"[EnableDPMTasks] Failed to enable all smu features!",
return result);
result = vega20_notify_smc_display_change(hwmgr);
PP_ASSERT_WITH_CODE(!result,
"[EnableDPMTasks] Failed to notify smc display change!",
return result);
result = vega20_send_clock_ratio(hwmgr);
PP_ASSERT_WITH_CODE(!result,
"[EnableDPMTasks] Failed to send clock ratio!",
@ -1988,19 +2005,6 @@ static int vega20_read_sensor(struct pp_hwmgr *hwmgr, int idx,
return ret;
}
static int vega20_notify_smc_display_change(struct pp_hwmgr *hwmgr,
bool has_disp)
{
struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend);
if (data->smu_features[GNLD_DPM_UCLK].enabled)
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetUclkFastSwitch,
has_disp ? 1 : 0);
return 0;
}
int vega20_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
struct pp_display_clock_request *clock_req)
{
@ -2060,13 +2064,6 @@ static int vega20_notify_smc_display_config_after_ps_adjustment(
struct pp_display_clock_request clock_req;
int ret = 0;
if ((hwmgr->display_config->num_display > 1) &&
!hwmgr->display_config->multi_monitor_in_sync &&
!hwmgr->display_config->nb_pstate_switch_disable)
vega20_notify_smc_display_change(hwmgr, false);
else
vega20_notify_smc_display_change(hwmgr, true);
min_clocks.dcefClock = hwmgr->display_config->min_dcef_set_clk;
min_clocks.dcefClockInSR = hwmgr->display_config->min_dcef_deep_sleep_set_clk;
min_clocks.memoryClock = hwmgr->display_config->min_mem_set_clock;