From: Rex Zhu Date: Tue, 2 Jan 2018 14:10:45 +0800 Subject: drm/amd/pp: Add querying current gfx voltage for Vega10 Git-commit: 59655cb6abfbe0f89c602a5494a7ae3ebbc264c3 Patch-mainline: v4.17-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher Acked-by: Petr Tesarik --- drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 13 +++++++++++++ drivers/gpu/drm/amd/powerplay/inc/pp_soc15.h | 3 ++- 2 files changed, 15 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -51,6 +51,9 @@ #include "pp_overdriver.h" #include "pp_thermal.h" +#include "smuio/smuio_9_0_offset.h" +#include "smuio/smuio_9_0_sh_mask.h" + #define VOLTAGE_SCALE 4 #define VOLTAGE_VID_OFFSET_SCALE1 625 #define VOLTAGE_VID_OFFSET_SCALE2 100 @@ -3903,6 +3906,7 @@ static int vega10_read_sensor(struct pp_ struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend); struct vega10_dpm_table *dpm_table = &data->dpm_table; int ret = 0; + uint32_t reg, val_vid; switch (idx) { case AMDGPU_PP_SENSOR_GFX_SCLK: @@ -3949,6 +3953,15 @@ static int vega10_read_sensor(struct pp_ ret = vega10_get_gpu_power(hwmgr, (struct pp_gpu_power *)value); } break; + case AMDGPU_PP_SENSOR_VDDGFX: + reg = soc15_get_register_offset(SMUIO_HWID, 0, + mmSMUSVI0_PLANE0_CURRENTVID_BASE_IDX, + mmSMUSVI0_PLANE0_CURRENTVID); + val_vid = (cgs_read_register(hwmgr->device, reg) & + SMUSVI0_PLANE0_CURRENTVID__CURRENT_SVI0_PLANE0_VID_MASK) >> + SMUSVI0_PLANE0_CURRENTVID__CURRENT_SVI0_PLANE0_VID__SHIFT; + *((uint32_t *)value) = (uint32_t)convert_to_vddc((uint8_t)val_vid); + return 0; default: ret = -EINVAL; break; --- a/drivers/gpu/drm/amd/powerplay/inc/pp_soc15.h +++ b/drivers/gpu/drm/amd/powerplay/inc/pp_soc15.h @@ -43,7 +43,8 @@ inline static uint32_t soc15_get_registe reg = DF_BASE.instance[inst].segment[segment] + offset; else if (hw_id == GC_HWID) reg = GC_BASE.instance[inst].segment[segment] + offset; - + else if (hw_id == SMUIO_HWID) + reg = SMUIO_BASE.instance[inst].segment[segment] + offset; return reg; }