Commit 5ed8d656 authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

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: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent dd70949d

drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c

+4 −0
Original line number Diff line number Diff line
@@ -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))

drivers/gpu/drm/amd/include/kgd_pp_interface.h

+2 −0
Original line number Diff line number Diff line
@@ -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 {

drivers/gpu/drm/amd/powerplay/amd_powerplay.c

+14 −9
Original line number Diff line number Diff line
@@ -992,23 +992,28 @@ 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;

	}

}



static struct amd_vce_state*

pp_dpm_get_vce_clock_state(void *handle, unsigned idx)

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