diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-01-08 13:59:05 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:17:53 -0500 |
| commit | 5ed8d656d60fd19d14bed647793eff0913627fd7 (patch) | |
| tree | 8e6e529fbc691cb0b2c1ea8526b6d0b3b42c863b /drivers/gpu/drm/amd/powerplay/amd_powerplay.c | |
| parent | dd70949d9054faf1fb037950b7b17a4b1a5b9669 (diff) | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amd_powerplay.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index 5e2252127fe5..d9cb424ff7e9 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -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* |