[PATCH] drm/amdgpu: Use real power source in powerplay instand of hardcode

Alex Deucher alexdeucher at gmail.com
Wed Jun 13 17:25:46 UTC 2018


On Mon, Jun 4, 2018 at 4:48 AM, Rex Zhu <Rex.Zhu at amd.com> wrote:
> 1. move ac_power to struct pm from dpm, so can be shared with powerplay
> 2. remove power_source in powerplay, use adev->pm.ac_power instand.
> 3. update ac_power before dispatch power task.
>
> Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h            |  2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c             | 21 +++++++------
>  drivers/gpu/drm/amd/amdgpu/ci_dpm.c                | 12 ++++----
>  drivers/gpu/drm/amd/amdgpu/kv_dpm.c                |  2 +-
>  drivers/gpu/drm/amd/amdgpu/si_dpm.c                |  4 +--
>  drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c        |  1 -
>  drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c   |  6 ++--
>  drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c |  5 +--
>  drivers/gpu/drm/amd/powerplay/inc/hwmgr.h          |  2 --
>  .../gpu/drm/amd/powerplay/inc/pp_power_source.h    | 36 ----------------------
>  10 files changed, 27 insertions(+), 64 deletions(-)
>  delete mode 100644 drivers/gpu/drm/amd/powerplay/inc/pp_power_source.h
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
> index dd6203a..9acfbee 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
> @@ -402,7 +402,6 @@ struct amdgpu_dpm {
>         u32 tdp_adjustment;
>         u16 load_line_slope;
>         bool power_control;
> -       bool ac_power;
>         /* special states active */
>         bool                    thermal_active;
>         bool                    uvd_active;
> @@ -439,6 +438,7 @@ struct amdgpu_pm {
>         struct amd_pp_display_configuration pm_display_cfg;/* set by dc */
>         uint32_t                smu_prv_buffer_size;
>         struct amdgpu_bo        *smu_prv_buffer;
> +       bool ac_power;
>  };
>
>  #define R600_SSTU_DFLT                               0
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> index b455da4..1c49103 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> @@ -68,11 +68,11 @@ void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev)
>         if (adev->pm.dpm_enabled) {
>                 mutex_lock(&adev->pm.mutex);
>                 if (power_supply_is_system_supplied() > 0)
> -                       adev->pm.dpm.ac_power = true;
> +                       adev->pm.ac_power = true;
>                 else
> -                       adev->pm.dpm.ac_power = false;
> +                       adev->pm.ac_power = false;
>                 if (adev->powerplay.pp_funcs->enable_bapm)
> -                       amdgpu_dpm_enable_bapm(adev, adev->pm.dpm.ac_power);
> +                       amdgpu_dpm_enable_bapm(adev, adev->pm.ac_power);
>                 mutex_unlock(&adev->pm.mutex);
>         }
>  }
> @@ -1878,6 +1878,14 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
>                         amdgpu_fence_wait_empty(ring);
>         }
>
> +       mutex_lock(&adev->pm.mutex);
> +       /* update battery/ac status */
> +       if (power_supply_is_system_supplied() > 0)
> +               adev->pm.ac_power = true;
> +       else
> +               adev->pm.ac_power = false;
> +       mutex_unlock(&adev->pm.mutex);
> +
>         if (adev->powerplay.pp_funcs->dispatch_tasks) {
>                 if (!amdgpu_device_has_dc_support(adev)) {
>                         mutex_lock(&adev->pm.mutex);
> @@ -1898,14 +1906,7 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
>         } else {
>                 mutex_lock(&adev->pm.mutex);
>                 amdgpu_dpm_get_active_displays(adev);
> -               /* update battery/ac status */
> -               if (power_supply_is_system_supplied() > 0)
> -                       adev->pm.dpm.ac_power = true;
> -               else
> -                       adev->pm.dpm.ac_power = false;
> -
>                 amdgpu_dpm_change_power_state_locked(adev);
> -
>                 mutex_unlock(&adev->pm.mutex);
>         }
>  }
> diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
> index a266dcf..b6248c0 100644
> --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
> @@ -951,12 +951,12 @@ static void ci_apply_state_adjust_rules(struct amdgpu_device *adev,
>         else
>                 pi->battery_state = false;
>
> -       if (adev->pm.dpm.ac_power)
> +       if (adev->pm.ac_power)
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
>         else
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
>
> -       if (adev->pm.dpm.ac_power == false) {
> +       if (adev->pm.ac_power == false) {
>                 for (i = 0; i < ps->performance_level_count; i++) {
>                         if (ps->performance_levels[i].mclk > max_limits->mclk)
>                                 ps->performance_levels[i].mclk = max_limits->mclk;
> @@ -4078,7 +4078,7 @@ static int ci_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
>         const struct amdgpu_clock_and_voltage_limits *max_limits;
>         int i;
>
> -       if (adev->pm.dpm.ac_power)
> +       if (adev->pm.ac_power)
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
>         else
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
> @@ -4127,7 +4127,7 @@ static int ci_enable_vce_dpm(struct amdgpu_device *adev, bool enable)
>         const struct amdgpu_clock_and_voltage_limits *max_limits;
>         int i;
>
> -       if (adev->pm.dpm.ac_power)
> +       if (adev->pm.ac_power)
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
>         else
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
> @@ -4160,7 +4160,7 @@ static int ci_enable_samu_dpm(struct amdgpu_device *adev, bool enable)
>         const struct amdgpu_clock_and_voltage_limits *max_limits;
>         int i;
>
> -       if (adev->pm.dpm.ac_power)
> +       if (adev->pm.ac_power)
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
>         else
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
> @@ -4191,7 +4191,7 @@ static int ci_enable_acp_dpm(struct amdgpu_device *adev, bool enable)
>         const struct amdgpu_clock_and_voltage_limits *max_limits;
>         int i;
>
> -       if (adev->pm.dpm.ac_power)
> +       if (adev->pm.ac_power)
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
>         else
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
> diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> index 17f7f07..d79e6f5 100644
> --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> @@ -1921,7 +1921,7 @@ static int kv_dpm_set_power_state(void *handle)
>         int ret;
>
>         if (pi->bapm_enable) {
> -               ret = amdgpu_kv_smc_bapm_enable(adev, adev->pm.dpm.ac_power);
> +               ret = amdgpu_kv_smc_bapm_enable(adev, adev->pm.ac_power);
>                 if (ret) {
>                         DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
>                         return ret;
> diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
> index b12d7c9..9567dd0 100644
> --- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
> @@ -3480,7 +3480,7 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev,
>                 disable_sclk_switching = true;
>         }
>
> -       if (adev->pm.dpm.ac_power)
> +       if (adev->pm.ac_power)
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
>         else
>                 max_limits = &adev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
> @@ -3489,7 +3489,7 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev,
>                 if (ps->performance_levels[i].vddc > ps->performance_levels[i+1].vddc)
>                         ps->performance_levels[i].vddc = ps->performance_levels[i+1].vddc;
>         }
> -       if (adev->pm.dpm.ac_power == false) {
> +       if (adev->pm.ac_power == false) {
>                 for (i = 0; i < ps->performance_level_count; i++) {
>                         if (ps->performance_levels[i].mclk > max_limits->mclk)
>                                 ps->performance_levels[i].mclk = max_limits->mclk;
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> index 7662a3f..27fd9c5 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> @@ -81,7 +81,6 @@ int hwmgr_early_init(struct pp_hwmgr *hwmgr)
>                 return -EINVAL;
>
>         hwmgr->usec_timeout = AMD_MAX_USEC_TIMEOUT;
> -       hwmgr->power_source = PP_PowerSource_AC;
>         hwmgr->pp_table_version = PP_TABLE_V1;
>         hwmgr->dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
>         hwmgr->request_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> index 428e8cf..d3649ce 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> @@ -2821,7 +2821,7 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
>                                 struct pp_power_state *request_ps,
>                         const struct pp_power_state *current_ps)
>  {
> -
> +       struct amdgpu_device *adev = hwmgr->adev;
>         struct smu7_power_state *smu7_ps =
>                                 cast_phw_smu7_power_state(&request_ps->hardware);
>         uint32_t sclk;
> @@ -2844,12 +2844,12 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
>                                  "VI should always have 2 performance levels",
>                                 );
>
> -       max_limits = (PP_PowerSource_AC == hwmgr->power_source) ?
> +       max_limits = adev->pm.ac_power ?
>                         &(hwmgr->dyn_state.max_clock_voltage_on_ac) :
>                         &(hwmgr->dyn_state.max_clock_voltage_on_dc);
>
>         /* Cap clock DPM tables at DC MAX if it is in DC. */
> -       if (PP_PowerSource_DC == hwmgr->power_source) {
> +       if (!adev->pm.ac_power) {
>                 for (i = 0; i < smu7_ps->performance_level_count; i++) {
>                         if (smu7_ps->performance_levels[i].memory_clock > max_limits->mclk)
>                                 smu7_ps->performance_levels[i].memory_clock = max_limits->mclk;
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> index dd52d7e..932ea8c 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> @@ -3056,6 +3056,7 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
>                                 struct pp_power_state  *request_ps,
>                         const struct pp_power_state *current_ps)
>  {
> +       struct amdgpu_device *adev = hwmgr->adev;
>         struct vega10_power_state *vega10_ps =
>                                 cast_phw_vega10_power_state(&request_ps->hardware);
>         uint32_t sclk;
> @@ -3081,12 +3082,12 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
>         if (vega10_ps->performance_level_count != 2)
>                 pr_info("VI should always have 2 performance levels");
>
> -       max_limits = (PP_PowerSource_AC == hwmgr->power_source) ?
> +       max_limits = adev->pm.ac_power ?
>                         &(hwmgr->dyn_state.max_clock_voltage_on_ac) :
>                         &(hwmgr->dyn_state.max_clock_voltage_on_dc);
>
>         /* Cap clock DPM tables at DC MAX if it is in DC. */
> -       if (PP_PowerSource_DC == hwmgr->power_source) {
> +       if (!adev->pm.ac_power) {
>                 for (i = 0; i < vega10_ps->performance_level_count; i++) {
>                         if (vega10_ps->performance_levels[i].mem_clock >
>                                 max_limits->mclk)
> diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
> index ddf67c8..ad0dc36 100644
> --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
> +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
> @@ -26,7 +26,6 @@
>  #include <linux/seq_file.h>
>  #include "amd_powerplay.h"
>  #include "hardwaremanager.h"
> -#include "pp_power_source.h"
>  #include "hwmgr_ppt.h"
>  #include "ppatomctrl.h"
>  #include "hwmgr_ppt.h"
> @@ -750,7 +749,6 @@ struct pp_hwmgr {
>         const struct pp_table_func *pptable_func;
>
>         struct pp_power_state    *ps;
> -       enum pp_power_source  power_source;
>         uint32_t num_ps;
>         struct pp_thermal_controller_info thermal_controller;
>         bool fan_ctrl_is_in_default_mode;
> diff --git a/drivers/gpu/drm/amd/powerplay/inc/pp_power_source.h b/drivers/gpu/drm/amd/powerplay/inc/pp_power_source.h
> deleted file mode 100644
> index b43315c..0000000
> --- a/drivers/gpu/drm/amd/powerplay/inc/pp_power_source.h
> +++ /dev/null
> @@ -1,36 +0,0 @@
> -/*
> - * Copyright 2015 Advanced Micro Devices, Inc.
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a
> - * copy of this software and associated documentation files (the "Software"),
> - * to deal in the Software without restriction, including without limitation
> - * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> - * and/or sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice shall be included in
> - * all copies or substantial portions of the Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
> - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> - * OTHER DEALINGS IN THE SOFTWARE.
> - *
> - */
> -
> -#ifndef PP_POWERSOURCE_H
> -#define PP_POWERSOURCE_H
> -
> -enum pp_power_source {
> -       PP_PowerSource_AC = 0,
> -       PP_PowerSource_DC,
> -       PP_PowerSource_LimitedPower,
> -       PP_PowerSource_LimitedPower_2,
> -       PP_PowerSource_Max
> -};
> -
> -
> -#endif
> --
> 1.9.1
>
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