Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Rex Zhu <rex....@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 17 +++++++++++++++++
drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 3 +++
2 files changed, 20 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
index 7f39ce6..f1b1c34 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
@@ -733,3 +733,20 @@ int phm_add_voltage(struct pp_hwmgr *hwmgr,
return 0;
}
+int phm_get_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type,
+ uint32_t sclk, uint16_t id, uint16_t *voltage)
+{
+ uint32_t vol;
+ int ret = 0;
+
+ if (hwmgr->chip_id < CHIP_POLARIS10) {
+ atomctrl_get_voltage_evv_on_sclk(hwmgr, voltage_type, sclk, id,
voltage);
+ if (*voltage >= 2000 || *voltage == 0)
+ *voltage = 1150;
+ } else {
+ ret = atomctrl_get_voltage_evv_on_sclk_ai(hwmgr, voltage_type,
sclk, id, &vol);
+ *voltage = (uint16_t)vol/100;
+ }
+ return ret;
+}
+
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index c4772d7..08b288f 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -701,6 +701,9 @@ extern int phm_add_voltage(struct pp_hwmgr *hwmgr,
phm_ppt_v1_voltage_lookup_table *look_up_table,
phm_ppt_v1_voltage_lookup_record *record);
+extern int phm_get_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t
voltage_type,
+ uint32_t sclk, uint16_t id, uint16_t *voltage);
+
#define PHM_ENTIRE_REGISTER_MASK 0xFFFFFFFFU
#define PHM_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
--
1.9.1
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