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drm/amd/pp: Add stable Pstate clk display support in debugfs 

The additional output are: PSTATE_SCLK and PSTATE_MCLK value
in MHz as:

300 MHz (PSTATE_SCLK)
300 MHz (PSTATE_MCLK)

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2018-01-08 13:59:05 +08:00 committed by Alex Deucher
parent dd70949d90
commit 5ed8d656d6
3 changed files with 20 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
View File

@ -1591,6 +1591,10 @@ static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *a
seq_printf(m, "\t%u MHz (MCLK)\n", value/100);
if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK, (void *)&value, &size))
seq_printf(m, "\t%u MHz (SCLK)\n", value/100);
if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK, (void *)&value, &size))
seq_printf(m, "\t%u MHz (PSTATE_SCLK)\n", value/100);
if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK, (void *)&value, &size))
seq_printf(m, "\t%u MHz (PSTATE_MCLK)\n", value/100);
if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX, (void *)&value, &size))
seq_printf(m, "\t%u mV (VDDGFX)\n", value);
if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, (void *)&value, &size))

2
drivers/gpu/drm/amd/include/kgd_pp_interface.h
View File

@ -122,6 +122,8 @@ enum amd_pp_sensors {
AMDGPU_PP_SENSOR_VCE_POWER,
AMDGPU_PP_SENSOR_UVD_POWER,
AMDGPU_PP_SENSOR_GPU_POWER,
AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
};
enum amd_pp_task {

23
drivers/gpu/drm/amd/powerplay/amd_powerplay.c
View File

@ -992,22 +992,27 @@ static int pp_dpm_read_sensor(void *handle, int idx,
int ret = 0;
ret = pp_check(pp_handle);
if (ret)
return ret;
if (value == NULL)
return -EINVAL;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->read_sensor == NULL) {
pr_info("%s was not implemented.\n", __func__);
switch (idx) {
case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
*((uint32_t *)value) = hwmgr->pstate_sclk;
return 0;
case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
*((uint32_t *)value) = hwmgr->pstate_mclk;
return 0;
default:
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->read_sensor(hwmgr, idx, value, size);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->read_sensor(hwmgr, idx, value, size);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static struct amd_vce_state*