[PATCH 07/12] drm/amd/powrplay: enable stutter_mode for polaris.
Alex Deucher
alexdeucher at gmail.com
Tue Jun 21 14:27:55 UTC 2016
From: Rex Zhu <Rex.Zhu at amd.com>
To minimize the dram power expenditure during static -screen
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
index 5ecde13..c2f5bec 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
@@ -1296,7 +1296,6 @@ static int polaris10_populate_single_memory_level(struct pp_hwmgr *hwmgr,
}
mem_level->MclkFrequency = clock;
- mem_level->StutterEnable = 0;
mem_level->EnabledForThrottle = 1;
mem_level->EnabledForActivity = 0;
mem_level->UpHyst = 0;
@@ -1363,7 +1362,7 @@ static int polaris10_populate_all_memory_levels(struct pp_hwmgr *hwmgr)
* a higher state by default such that we are not effected by
* up threshold or and MCLK DPM latency.
*/
- levels[0].ActivityLevel = (uint16_t)data->mclk_dpm0_activity_target;
+ levels[0].ActivityLevel = 0x1f;
CONVERT_FROM_HOST_TO_SMC_US(levels[0].ActivityLevel);
data->smc_state_table.MemoryDpmLevelCount =
@@ -2951,6 +2950,7 @@ int polaris10_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
data->enable_tdc_limit_feature = true;
data->enable_pkg_pwr_tracking_feature = true;
data->force_pcie_gen = PP_PCIEGenInvalid;
+ data->mclk_stutter_mode_threshold = 40000;
if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2))
--
2.5.5
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