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Message-ID: <CADnq5_PkLAL7N=9C57j_nRdUa8VwhPUxBoUsGPfw2Q0T=TzqeQ@mail.gmail.com>
Date: Mon, 30 Nov 2020 18:44:53 -0500
From: Alex Deucher <alexdeucher@...il.com>
To: Lee Jones <lee.jones@...aro.org>
Cc: David Airlie <airlied@...ux.ie>,
LKML <linux-kernel@...r.kernel.org>,
amd-gfx list <amd-gfx@...ts.freedesktop.org>,
Maling list - DRI developers
<dri-devel@...ts.freedesktop.org>,
Alex Deucher <alexander.deucher@....com>,
Evan Quan <evan.quan@....com>,
Christian König <christian.koenig@....com>
Subject: Re: [PATCH 21/40] drm/amd/pm/powerplay/hwmgr/smu7_hwmgr: Fix a whole
bunch of historical function doc issues
On Thu, Nov 26, 2020 at 8:43 AM Lee Jones <lee.jones@...aro.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:202: warning: Function parameter or member 'hwmgr' not described in 'smu7_get_mc_microcode_version'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:242: warning: Function parameter or member 'hwmgr' not described in 'smu7_enable_smc_voltage_controller'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:263: warning: Function parameter or member 'hwmgr' not described in 'smu7_voltage_control'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:277: warning: Function parameter or member 'hwmgr' not described in 'smu7_enable_voltage_control'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:315: warning: Function parameter or member 'hwmgr' not described in 'smu7_construct_voltage_tables'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:428: warning: Function parameter or member 'hwmgr' not described in 'smu7_program_static_screen_threshold_parameters'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:450: warning: Function parameter or member 'hwmgr' not described in 'smu7_enable_display_gap'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:474: warning: Function parameter or member 'hwmgr' not described in 'smu7_program_voting_clients'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:570: warning: Function parameter or member 'hwmgr' not described in 'smu7_initial_switch_from_arbf0_to_f1'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:1926: warning: Function parameter or member 'hwmgr' not described in 'smu7_get_evv_voltages'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:2028: warning: Function parameter or member 'hwmgr' not described in 'smu7_patch_ppt_v1_with_vdd_leakage'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:2028: warning: Function parameter or member 'voltage' not described in 'smu7_patch_ppt_v1_with_vdd_leakage'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:2028: warning: Function parameter or member 'leakage_table' not described in 'smu7_patch_ppt_v1_with_vdd_leakage'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:2056: warning: Function parameter or member 'hwmgr' not described in 'smu7_patch_lookup_table_with_leakage'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:2056: warning: Function parameter or member 'lookup_table' not described in 'smu7_patch_lookup_table_with_leakage'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:2056: warning: Function parameter or member 'leakage_table' not described in 'smu7_patch_lookup_table_with_leakage'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:2511: warning: Function parameter or member 'hwmgr' not described in 'smu7_patch_ppt_v0_with_vdd_leakage'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:2511: warning: Function parameter or member 'voltage' not described in 'smu7_patch_ppt_v0_with_vdd_leakage'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:2511: warning: Function parameter or member 'leakage_table' not described in 'smu7_patch_ppt_v0_with_vdd_leakage'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:4449: warning: Function parameter or member 'hwmgr' not described in 'smu7_program_display_gap'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:4508: warning: Function parameter or member 'hwmgr' not described in 'smu7_set_max_fan_rpm_output'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:4508: warning: Function parameter or member 'us_max_fan_rpm' not described in 'smu7_set_max_fan_rpm_output'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:4707: warning: Function parameter or member 'hwmgr' not described in 'smu7_get_memory_type'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:4723: warning: Function parameter or member 'hwmgr' not described in 'smu7_enable_acpi_power_management'
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:4737: warning: Function parameter or member 'hwmgr' not described in 'smu7_init_power_gate_state'
>
> Cc: Evan Quan <evan.quan@....com>
> Cc: Alex Deucher <alexander.deucher@....com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: amd-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
Applied. Thanks!
Alex
> ---
> .../drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c | 166 +++++++++---------
> 1 file changed, 83 insertions(+), 83 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
> index 53111c6bbcc91..82676c086ce46 100644
> --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
> +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
> @@ -193,10 +193,10 @@ static const struct smu7_power_state *cast_const_phw_smu7_power_state(
> }
>
> /**
> - * Find the MC microcode version and store it in the HwMgr struct
> + * smu7_get_mc_microcode_version - Find the MC microcode version and store it in the HwMgr struct
> *
> - * @param hwmgr the address of the powerplay hardware manager.
> - * @return always 0
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always 0
> */
> static int smu7_get_mc_microcode_version(struct pp_hwmgr *hwmgr)
> {
> @@ -233,11 +233,11 @@ static int smu7_get_current_pcie_lane_number(struct pp_hwmgr *hwmgr)
> }
>
> /**
> -* Enable voltage control
> -*
> -* @param pHwMgr the address of the powerplay hardware manager.
> -* @return always PP_Result_OK
> -*/
> + * smu7_enable_smc_voltage_controller - Enable voltage control
> + *
> + * @hwmgr the address of the powerplay hardware manager.
> + * Return: always PP_Result_OK
> + */
> static int smu7_enable_smc_voltage_controller(struct pp_hwmgr *hwmgr)
> {
> if (hwmgr->chip_id >= CHIP_POLARIS10 &&
> @@ -255,10 +255,10 @@ static int smu7_enable_smc_voltage_controller(struct pp_hwmgr *hwmgr)
> }
>
> /**
> -* Checks if we want to support voltage control
> -*
> -* @param hwmgr the address of the powerplay hardware manager.
> -*/
> + * smu7_voltage_control - Checks if we want to support voltage control
> + *
> + * @hwmgr: the address of the powerplay hardware manager.
> + */
> static bool smu7_voltage_control(const struct pp_hwmgr *hwmgr)
> {
> const struct smu7_hwmgr *data =
> @@ -268,11 +268,11 @@ static bool smu7_voltage_control(const struct pp_hwmgr *hwmgr)
> }
>
> /**
> -* Enable voltage control
> -*
> -* @param hwmgr the address of the powerplay hardware manager.
> -* @return always 0
> -*/
> + * smu7_enable_voltage_control - Enable voltage control
> + *
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always 0
> + */
> static int smu7_enable_voltage_control(struct pp_hwmgr *hwmgr)
> {
> /* enable voltage control */
> @@ -306,11 +306,11 @@ static int phm_get_svi2_voltage_table_v0(pp_atomctrl_voltage_table *voltage_tabl
>
>
> /**
> -* Create Voltage Tables.
> -*
> -* @param hwmgr the address of the powerplay hardware manager.
> -* @return always 0
> -*/
> + * smu7_construct_voltage_tables - Create Voltage Tables.
> + *
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always 0
> + */
> static int smu7_construct_voltage_tables(struct pp_hwmgr *hwmgr)
> {
> struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
> @@ -418,11 +418,11 @@ static int smu7_construct_voltage_tables(struct pp_hwmgr *hwmgr)
> }
>
> /**
> -* Programs static screed detection parameters
> -*
> -* @param hwmgr the address of the powerplay hardware manager.
> -* @return always 0
> -*/
> + * smu7_program_static_screen_threshold_parameters - Programs static screed detection parameters
> + *
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always 0
> + */
> static int smu7_program_static_screen_threshold_parameters(
> struct pp_hwmgr *hwmgr)
> {
> @@ -441,11 +441,11 @@ static int smu7_program_static_screen_threshold_parameters(
> }
>
> /**
> -* Setup display gap for glitch free memory clock switching.
> -*
> -* @param hwmgr the address of the powerplay hardware manager.
> -* @return always 0
> -*/
> + * smu7_enable_display_gap - Setup display gap for glitch free memory clock switching.
> + *
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always 0
> + */
> static int smu7_enable_display_gap(struct pp_hwmgr *hwmgr)
> {
> uint32_t display_gap =
> @@ -465,11 +465,11 @@ static int smu7_enable_display_gap(struct pp_hwmgr *hwmgr)
> }
>
> /**
> -* Programs activity state transition voting clients
> -*
> -* @param hwmgr the address of the powerplay hardware manager.
> -* @return always 0
> -*/
> + * smu7_program_voting_clients - Programs activity state transition voting clients
> + *
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always 0
> + */
> static int smu7_program_voting_clients(struct pp_hwmgr *hwmgr)
> {
> struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
> @@ -560,12 +560,12 @@ static int smu7_reset_to_default(struct pp_hwmgr *hwmgr)
> }
>
> /**
> -* Initial switch from ARB F0->F1
> -*
> -* @param hwmgr the address of the powerplay hardware manager.
> -* @return always 0
> -* This function is to be called from the SetPowerState table.
> -*/
> + * smu7_initial_switch_from_arbf0_to_f1 - Initial switch from ARB F0->F1
> + *
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always 0
> + * This function is to be called from the SetPowerState table.
> + */
> static int smu7_initial_switch_from_arbf0_to_f1(struct pp_hwmgr *hwmgr)
> {
> return smu7_copy_and_switch_arb_sets(hwmgr,
> @@ -1917,11 +1917,11 @@ static int smu7_calculate_ro_range(struct pp_hwmgr *hwmgr)
> }
>
> /**
> -* Get Leakage VDDC based on leakage ID.
> -*
> -* @param hwmgr the address of the powerplay hardware manager.
> -* @return always 0
> -*/
> + * smu7_get_evv_voltages - Get Leakage VDDC based on leakage ID.
> + *
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always 0
> + */
> static int smu7_get_evv_voltages(struct pp_hwmgr *hwmgr)
> {
> struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
> @@ -2017,11 +2017,11 @@ static int smu7_get_evv_voltages(struct pp_hwmgr *hwmgr)
> }
>
> /**
> - * Change virtual leakage voltage to actual value.
> + * smu7_patch_ppt_v1_with_vdd_leakage - Change virtual leakage voltage to actual value.
> *
> - * @param hwmgr the address of the powerplay hardware manager.
> - * @param pointer to changing voltage
> - * @param pointer to leakage table
> + * @hwmgr: the address of the powerplay hardware manager.
> + * @voltage: pointer to changing voltage
> + * @leakage_table: pointer to leakage table
> */
> static void smu7_patch_ppt_v1_with_vdd_leakage(struct pp_hwmgr *hwmgr,
> uint16_t *voltage, struct smu7_leakage_voltage *leakage_table)
> @@ -2043,13 +2043,13 @@ static void smu7_patch_ppt_v1_with_vdd_leakage(struct pp_hwmgr *hwmgr,
> }
>
> /**
> -* Patch voltage lookup table by EVV leakages.
> -*
> -* @param hwmgr the address of the powerplay hardware manager.
> -* @param pointer to voltage lookup table
> -* @param pointer to leakage table
> -* @return always 0
> -*/
> + * smu7_patch_lookup_table_with_leakage - Patch voltage lookup table by EVV leakages.
> + *
> + * @hwmgr: the address of the powerplay hardware manager.
> + * @lookup_table: pointer to voltage lookup table
> + * @leakage_table: pointer to leakage table
> + * Return: always 0
> + */
> static int smu7_patch_lookup_table_with_leakage(struct pp_hwmgr *hwmgr,
> phm_ppt_v1_voltage_lookup_table *lookup_table,
> struct smu7_leakage_voltage *leakage_table)
> @@ -2500,11 +2500,11 @@ static int smu7_thermal_parameter_init(struct pp_hwmgr *hwmgr)
> }
>
> /**
> - * Change virtual leakage voltage to actual value.
> + * smu7_patch_ppt_v0_with_vdd_leakage - Change virtual leakage voltage to actual value.
> *
> - * @param hwmgr the address of the powerplay hardware manager.
> - * @param pointer to changing voltage
> - * @param pointer to leakage table
> + * @hwmgr: the address of the powerplay hardware manager.
> + * @voltage: pointer to changing voltage
> + * @leakage_table: pointer to leakage table
> */
> static void smu7_patch_ppt_v0_with_vdd_leakage(struct pp_hwmgr *hwmgr,
> uint32_t *voltage, struct smu7_leakage_voltage *leakage_table)
> @@ -4440,11 +4440,11 @@ smu7_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr)
> }
>
> /**
> -* Programs the display gap
> -*
> -* @param hwmgr the address of the powerplay hardware manager.
> -* @return always OK
> -*/
> + * smu7_program_display_gap - Programs the display gap
> + *
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always OK
> + */
> static int smu7_program_display_gap(struct pp_hwmgr *hwmgr)
> {
> struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
> @@ -4498,12 +4498,12 @@ static int smu7_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
> }
>
> /**
> -* Set maximum target operating fan output RPM
> -*
> -* @param hwmgr: the address of the powerplay hardware manager.
> -* @param usMaxFanRpm: max operating fan RPM value.
> -* @return The response that came from the SMC.
> -*/
> + * smu7_set_max_fan_rpm_output - Set maximum target operating fan output RPM
> + *
> + * @hwmgr: the address of the powerplay hardware manager.
> + * @usMaxFanRpm: max operating fan RPM value.
> + * Return: The response that came from the SMC.
> + */
> static int smu7_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_rpm)
> {
> hwmgr->thermal_controller.
> @@ -4698,10 +4698,10 @@ static int smu7_read_clock_registers(struct pp_hwmgr *hwmgr)
> }
>
> /**
> - * Find out if memory is GDDR5.
> + * smu7_get_memory_type - Find out if memory is GDDR5.
> *
> - * @param hwmgr the address of the powerplay hardware manager.
> - * @return always 0
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always 0
> */
> static int smu7_get_memory_type(struct pp_hwmgr *hwmgr)
> {
> @@ -4714,10 +4714,10 @@ static int smu7_get_memory_type(struct pp_hwmgr *hwmgr)
> }
>
> /**
> - * Enables Dynamic Power Management by SMC
> + * smu7_enable_acpi_power_management - Enables Dynamic Power Management by SMC
> *
> - * @param hwmgr the address of the powerplay hardware manager.
> - * @return always 0
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always 0
> */
> static int smu7_enable_acpi_power_management(struct pp_hwmgr *hwmgr)
> {
> @@ -4728,10 +4728,10 @@ static int smu7_enable_acpi_power_management(struct pp_hwmgr *hwmgr)
> }
>
> /**
> - * Initialize PowerGating States for different engines
> + * smu7_init_power_gate_state - Initialize PowerGating States for different engines
> *
> - * @param hwmgr the address of the powerplay hardware manager.
> - * @return always 0
> + * @hwmgr: the address of the powerplay hardware manager.
> + * Return: always 0
> */
> static int smu7_init_power_gate_state(struct pp_hwmgr *hwmgr)
> {
> --
> 2.25.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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