The ppt limit read out by hwmon interface is always 0.
Correct this hwmon interface output.
Change-Id: I2c537cacda04034201120b9c1ea82d113d99ced8
Signed-off-by: Evan Quan <evan.quan at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu at amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 8 ++++++++
drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h | 6 ++++++
2 files changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index d45cbfe8e184..ac64ca423b73 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -1544,6 +1544,14 @@ static int vega20_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
"[EnableDPMTasks] Failed to populate umdpstate clocks!",
return result);
+ result = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetPptLimit,
+ POWER_SOURCE_AC << 16);
+ PP_ASSERT_WITH_CODE(!result,
+ "[GetPptLimit] get default PPT limit failed!",
+ return result);
+ vega20_read_arg_from_smc(hwmgr, &hwmgr->default_power_limit);
+ hwmgr->power_limit = hwmgr->default_power_limit;
+
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h b/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h
index 71191deb4e76..a002021414ff 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if.h
@@ -268,6 +268,12 @@ typedef enum {
PPCLK_COUNT,
} PPCLK_e;
+typedef enum {
+ POWER_SOURCE_AC,
+ POWER_SOURCE_DC,
+ POWER_SOURCE_COUNT,
+} POWER_SOURCE_e;
+
typedef enum {
VOLTAGE_MODE_AVFS = 0,
VOLTAGE_MODE_AVFS_SS,
--
2.19.0
