RE: [PATCH] drm/amd/powerplay: update current profile mode only when it's really applied

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That makes sense.

Reviewed-by: Kent Russell <kent.russell@xxxxxxx>


> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Evan
> Quan
> Sent: Tuesday, March 26, 2019 5:34 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Quan, Evan <Evan.Quan@xxxxxxx>; Russell, Kent
> <Kent.Russell@xxxxxxx>
> Subject: [PATCH] drm/amd/powerplay: update current profile mode only
> when it's really applied
> 
> No need to update current profile mode if the new profile mode does not
> take effect in fact.
> 
> Change-Id: If24474d201840bfaefacc189f6a6ff6856695dff
> Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c |  9 +++++----
> drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 13 +++++++---
> ---
>  2 files changed, 12 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> index ed6c638700f5..85a536924571 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> @@ -4904,13 +4904,12 @@ static int
> vega10_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui
>  	uint8_t FPS;
>  	uint8_t use_rlc_busy;
>  	uint8_t min_active_level;
> -
> -	hwmgr->power_profile_mode = input[size];
> +	uint32_t power_profile_mode = input[size];
> 
>  	smum_send_msg_to_smc_with_parameter(hwmgr,
> PPSMC_MSG_SetWorkloadMask,
> -						1<<hwmgr-
> >power_profile_mode);
> +						1 << power_profile_mode);
> 
> -	if (hwmgr->power_profile_mode ==
> PP_SMC_POWER_PROFILE_CUSTOM) {
> +	if (power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
>  		if (size == 0 || size > 4)
>  			return -EINVAL;
> 
> @@ -4924,6 +4923,8 @@ static int vega10_set_power_profile_mode(struct
> pp_hwmgr *hwmgr, long *input, ui
>  					use_rlc_busy << 16 |
> min_active_level<<24);
>  	}
> 
> +	hwmgr->power_profile_mode = power_profile_mode;
> +
>  	return 0;
>  }
> 
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> index 664544e7fcdc..3f349ada8de0 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> @@ -3819,15 +3819,14 @@ static int
> vega20_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui
> {
>  	DpmActivityMonitorCoeffInt_t activity_monitor;
>  	int workload_type, result = 0;
> +	uint32_t power_profile_mode = input[size];
> 
> -	hwmgr->power_profile_mode = input[size];
> -
> -	if (hwmgr->power_profile_mode >
> PP_SMC_POWER_PROFILE_CUSTOM) {
> -		pr_err("Invalid power profile mode %d\n", hwmgr-
> >power_profile_mode);
> +	if (power_profile_mode > PP_SMC_POWER_PROFILE_CUSTOM) {
> +		pr_err("Invalid power profile mode %d\n",
> power_profile_mode);
>  		return -EINVAL;
>  	}
> 
> -	if (hwmgr->power_profile_mode ==
> PP_SMC_POWER_PROFILE_CUSTOM) {
> +	if (power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
>  		if (size < 10)
>  			return -EINVAL;
> 
> @@ -3895,10 +3894,12 @@ static int
> vega20_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui
> 
>  	/* conv PP_SMC_POWER_PROFILE* to WORKLOAD_PPLIB_*_BIT */
>  	workload_type =
> -		conv_power_profile_to_pplib_workload(hwmgr-
> >power_profile_mode);
> +
> 	conv_power_profile_to_pplib_workload(power_profile_mode);
>  	smum_send_msg_to_smc_with_parameter(hwmgr,
> PPSMC_MSG_SetWorkloadMask,
>  						1 << workload_type);
> 
> +	hwmgr->power_profile_mode = power_profile_mode;
> +
>  	return 0;
>  }
> 
> --
> 2.21.0
> 
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