From c6311b12307ff05f636636f67b0ca0429817fbe7 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Mon, 8 Jan 2018 13:59:05 +0800 Subject: [PATCH 3170/4131] 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) Change-Id: Id38e214153d54943edc8f4c56d110ecdb470ae55 Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu --- drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 4 ++++ drivers/gpu/drm/amd/include/kgd_pp_interface.h | 2 ++ drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 23 ++++++++++++++--------- 3 files changed, 20 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 45e9119..6b70160 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -1588,6 +1588,10 @@ 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)) diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h index 1746180..68f2c84 100644 --- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h @@ -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 { diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index 4131180..be7bd86 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* -- 2.7.4