Re: [PATCH] platform/x86/amd/pmf: pass the struct by reference

From: Hans de Goede
Date: Mon Oct 24 2022 - 20:42:31 EST

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Hi,

On 10/4/22 10:10, Muhammad Usama Anjum wrote:
> The out structure should be passed by reference instead of passing by
> value. This saves the extra copy of the structure.
>
> Fixes: 1738061c9ec8 ("platform/x86/amd/pmf: Add support for CnQF")
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>

Applied (minus the fixes tag as this is not a bug-fix):

Thank you for your patch, I've applied this patch to my review-hans
branch:
https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans

Note it will show up in my review-hans branch once I've pushed my
local branch there, which might take a while.

Once I've run some tests on this branch the patches there will be
added to the platform-drivers-x86/for-next branch and eventually
will be included in the pdx86 pull-request to Linus for the next
merge-window.

Regards,

Hans

> ---
> drivers/platform/x86/amd/pmf/cnqf.c | 92 ++++++++++++++---------------
> 1 file changed, 46 insertions(+), 46 deletions(-)
>
> diff --git a/drivers/platform/x86/amd/pmf/cnqf.c b/drivers/platform/x86/amd/pmf/cnqf.c
> index 668c7c0fea83..3f9731a2ac28 100644
> --- a/drivers/platform/x86/amd/pmf/cnqf.c
> +++ b/drivers/platform/x86/amd/pmf/cnqf.c
> @@ -158,100 +158,100 @@ int amd_pmf_trans_cnqf(struct amd_pmf_dev *dev, int socket_power, ktime_t time_l
> return 0;
> }
>
> -static void amd_pmf_update_trans_data(int idx, struct apmf_dyn_slider_output out)
> +static void amd_pmf_update_trans_data(int idx, struct apmf_dyn_slider_output *out)
> {
> struct cnqf_tran_params *tp;
>
> tp = &config_store.trans_param[idx][CNQF_TRANSITION_TO_QUIET];
> - tp->time_constant = out.t_balanced_to_quiet;
> + tp->time_constant = out->t_balanced_to_quiet;
> tp->target_mode = CNQF_MODE_QUIET;
> tp->shifting_up = false;
>
> tp = &config_store.trans_param[idx][CNQF_TRANSITION_FROM_BALANCE_TO_PERFORMANCE];
> - tp->time_constant = out.t_balanced_to_perf;
> + tp->time_constant = out->t_balanced_to_perf;
> tp->target_mode = CNQF_MODE_PERFORMANCE;
> tp->shifting_up = true;
>
> tp = &config_store.trans_param[idx][CNQF_TRANSITION_FROM_QUIET_TO_BALANCE];
> - tp->time_constant = out.t_quiet_to_balanced;
> + tp->time_constant = out->t_quiet_to_balanced;
> tp->target_mode = CNQF_MODE_BALANCE;
> tp->shifting_up = true;
>
> tp = &config_store.trans_param[idx][CNQF_TRANSITION_FROM_PERFORMANCE_TO_BALANCE];
> - tp->time_constant = out.t_perf_to_balanced;
> + tp->time_constant = out->t_perf_to_balanced;
> tp->target_mode = CNQF_MODE_BALANCE;
> tp->shifting_up = false;
>
> tp = &config_store.trans_param[idx][CNQF_TRANSITION_FROM_TURBO_TO_PERFORMANCE];
> - tp->time_constant = out.t_turbo_to_perf;
> + tp->time_constant = out->t_turbo_to_perf;
> tp->target_mode = CNQF_MODE_PERFORMANCE;
> tp->shifting_up = false;
>
> tp = &config_store.trans_param[idx][CNQF_TRANSITION_TO_TURBO];
> - tp->time_constant = out.t_perf_to_turbo;
> + tp->time_constant = out->t_perf_to_turbo;
> tp->target_mode = CNQF_MODE_TURBO;
> tp->shifting_up = true;
> }
>
> -static void amd_pmf_update_mode_set(int idx, struct apmf_dyn_slider_output out)
> +static void amd_pmf_update_mode_set(int idx, struct apmf_dyn_slider_output *out)
> {
> struct cnqf_mode_settings *ms;
>
> /* Quiet Mode */
> ms = &config_store.mode_set[idx][CNQF_MODE_QUIET];
> - ms->power_floor = out.ps[APMF_CNQF_QUIET].pfloor;
> - ms->power_control.fppt = out.ps[APMF_CNQF_QUIET].fppt;
> - ms->power_control.sppt = out.ps[APMF_CNQF_QUIET].sppt;
> - ms->power_control.sppt_apu_only = out.ps[APMF_CNQF_QUIET].sppt_apu_only;
> - ms->power_control.spl = out.ps[APMF_CNQF_QUIET].spl;
> - ms->power_control.stt_min = out.ps[APMF_CNQF_QUIET].stt_min_limit;
> + ms->power_floor = out->ps[APMF_CNQF_QUIET].pfloor;
> + ms->power_control.fppt = out->ps[APMF_CNQF_QUIET].fppt;
> + ms->power_control.sppt = out->ps[APMF_CNQF_QUIET].sppt;
> + ms->power_control.sppt_apu_only = out->ps[APMF_CNQF_QUIET].sppt_apu_only;
> + ms->power_control.spl = out->ps[APMF_CNQF_QUIET].spl;
> + ms->power_control.stt_min = out->ps[APMF_CNQF_QUIET].stt_min_limit;
> ms->power_control.stt_skin_temp[STT_TEMP_APU] =
> - out.ps[APMF_CNQF_QUIET].stt_skintemp[STT_TEMP_APU];
> + out->ps[APMF_CNQF_QUIET].stt_skintemp[STT_TEMP_APU];
> ms->power_control.stt_skin_temp[STT_TEMP_HS2] =
> - out.ps[APMF_CNQF_QUIET].stt_skintemp[STT_TEMP_HS2];
> - ms->fan_control.fan_id = out.ps[APMF_CNQF_QUIET].fan_id;
> + out->ps[APMF_CNQF_QUIET].stt_skintemp[STT_TEMP_HS2];
> + ms->fan_control.fan_id = out->ps[APMF_CNQF_QUIET].fan_id;
>
> /* Balance Mode */
> ms = &config_store.mode_set[idx][CNQF_MODE_BALANCE];
> - ms->power_floor = out.ps[APMF_CNQF_BALANCE].pfloor;
> - ms->power_control.fppt = out.ps[APMF_CNQF_BALANCE].fppt;
> - ms->power_control.sppt = out.ps[APMF_CNQF_BALANCE].sppt;
> - ms->power_control.sppt_apu_only = out.ps[APMF_CNQF_BALANCE].sppt_apu_only;
> - ms->power_control.spl = out.ps[APMF_CNQF_BALANCE].spl;
> - ms->power_control.stt_min = out.ps[APMF_CNQF_BALANCE].stt_min_limit;
> + ms->power_floor = out->ps[APMF_CNQF_BALANCE].pfloor;
> + ms->power_control.fppt = out->ps[APMF_CNQF_BALANCE].fppt;
> + ms->power_control.sppt = out->ps[APMF_CNQF_BALANCE].sppt;
> + ms->power_control.sppt_apu_only = out->ps[APMF_CNQF_BALANCE].sppt_apu_only;
> + ms->power_control.spl = out->ps[APMF_CNQF_BALANCE].spl;
> + ms->power_control.stt_min = out->ps[APMF_CNQF_BALANCE].stt_min_limit;
> ms->power_control.stt_skin_temp[STT_TEMP_APU] =
> - out.ps[APMF_CNQF_BALANCE].stt_skintemp[STT_TEMP_APU];
> + out->ps[APMF_CNQF_BALANCE].stt_skintemp[STT_TEMP_APU];
> ms->power_control.stt_skin_temp[STT_TEMP_HS2] =
> - out.ps[APMF_CNQF_BALANCE].stt_skintemp[STT_TEMP_HS2];
> - ms->fan_control.fan_id = out.ps[APMF_CNQF_BALANCE].fan_id;
> + out->ps[APMF_CNQF_BALANCE].stt_skintemp[STT_TEMP_HS2];
> + ms->fan_control.fan_id = out->ps[APMF_CNQF_BALANCE].fan_id;
>
> /* Performance Mode */
> ms = &config_store.mode_set[idx][CNQF_MODE_PERFORMANCE];
> - ms->power_floor = out.ps[APMF_CNQF_PERFORMANCE].pfloor;
> - ms->power_control.fppt = out.ps[APMF_CNQF_PERFORMANCE].fppt;
> - ms->power_control.sppt = out.ps[APMF_CNQF_PERFORMANCE].sppt;
> - ms->power_control.sppt_apu_only = out.ps[APMF_CNQF_PERFORMANCE].sppt_apu_only;
> - ms->power_control.spl = out.ps[APMF_CNQF_PERFORMANCE].spl;
> - ms->power_control.stt_min = out.ps[APMF_CNQF_PERFORMANCE].stt_min_limit;
> + ms->power_floor = out->ps[APMF_CNQF_PERFORMANCE].pfloor;
> + ms->power_control.fppt = out->ps[APMF_CNQF_PERFORMANCE].fppt;
> + ms->power_control.sppt = out->ps[APMF_CNQF_PERFORMANCE].sppt;
> + ms->power_control.sppt_apu_only = out->ps[APMF_CNQF_PERFORMANCE].sppt_apu_only;
> + ms->power_control.spl = out->ps[APMF_CNQF_PERFORMANCE].spl;
> + ms->power_control.stt_min = out->ps[APMF_CNQF_PERFORMANCE].stt_min_limit;
> ms->power_control.stt_skin_temp[STT_TEMP_APU] =
> - out.ps[APMF_CNQF_PERFORMANCE].stt_skintemp[STT_TEMP_APU];
> + out->ps[APMF_CNQF_PERFORMANCE].stt_skintemp[STT_TEMP_APU];
> ms->power_control.stt_skin_temp[STT_TEMP_HS2] =
> - out.ps[APMF_CNQF_PERFORMANCE].stt_skintemp[STT_TEMP_HS2];
> - ms->fan_control.fan_id = out.ps[APMF_CNQF_PERFORMANCE].fan_id;
> + out->ps[APMF_CNQF_PERFORMANCE].stt_skintemp[STT_TEMP_HS2];
> + ms->fan_control.fan_id = out->ps[APMF_CNQF_PERFORMANCE].fan_id;
>
> /* Turbo Mode */
> ms = &config_store.mode_set[idx][CNQF_MODE_TURBO];
> - ms->power_floor = out.ps[APMF_CNQF_TURBO].pfloor;
> - ms->power_control.fppt = out.ps[APMF_CNQF_TURBO].fppt;
> - ms->power_control.sppt = out.ps[APMF_CNQF_TURBO].sppt;
> - ms->power_control.sppt_apu_only = out.ps[APMF_CNQF_TURBO].sppt_apu_only;
> - ms->power_control.spl = out.ps[APMF_CNQF_TURBO].spl;
> - ms->power_control.stt_min = out.ps[APMF_CNQF_TURBO].stt_min_limit;
> + ms->power_floor = out->ps[APMF_CNQF_TURBO].pfloor;
> + ms->power_control.fppt = out->ps[APMF_CNQF_TURBO].fppt;
> + ms->power_control.sppt = out->ps[APMF_CNQF_TURBO].sppt;
> + ms->power_control.sppt_apu_only = out->ps[APMF_CNQF_TURBO].sppt_apu_only;
> + ms->power_control.spl = out->ps[APMF_CNQF_TURBO].spl;
> + ms->power_control.stt_min = out->ps[APMF_CNQF_TURBO].stt_min_limit;
> ms->power_control.stt_skin_temp[STT_TEMP_APU] =
> - out.ps[APMF_CNQF_TURBO].stt_skintemp[STT_TEMP_APU];
> + out->ps[APMF_CNQF_TURBO].stt_skintemp[STT_TEMP_APU];
> ms->power_control.stt_skin_temp[STT_TEMP_HS2] =
> - out.ps[APMF_CNQF_TURBO].stt_skintemp[STT_TEMP_HS2];
> - ms->fan_control.fan_id = out.ps[APMF_CNQF_TURBO].fan_id;
> + out->ps[APMF_CNQF_TURBO].stt_skintemp[STT_TEMP_HS2];
> + ms->fan_control.fan_id = out->ps[APMF_CNQF_TURBO].fan_id;
> }
>
> static int amd_pmf_check_flags(struct amd_pmf_dev *dev)
> @@ -284,8 +284,8 @@ static int amd_pmf_load_defaults_cnqf(struct amd_pmf_dev *dev)
> return ret;
> }
>
> - amd_pmf_update_mode_set(i, out);
> - amd_pmf_update_trans_data(i, out);
> + amd_pmf_update_mode_set(i, &out);
> + amd_pmf_update_trans_data(i, &out);
> amd_pmf_update_power_threshold(i);
>
> for (j = 0; j < CNQF_MODE_MAX; j++) {

Next message: Shakeel Butt: "Re: [PATCH] mm: convert mm's rss stats into percpu_counter"
Previous message: Nícolas F. R. A. Prado: "[PATCH] ASoC: dt-bindings: mt8192-mt6359: Set maxItems, not type, for sound-dai"
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