Re: [PATCH] etnaviv: perfmon: fix total and idle HI cyleces readout

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Am Mittwoch, den 31.07.2019, 23:30 +0200 schrieb Christian Gmeiner:
> As seen at CodeAurora's linux-imx git repo in imx_4.19.35_1.0.0
> branch.
> 
> Signed-off-by: Christian Gmeiner <christian.gmeiner@xxxxxxxxx>

Thanks, applied.

Regards,
Lucas

> ---
>  drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 44 +++++++++++++++++--
> ----
>  1 file changed, 33 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
> b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
> index 06e6d3ee1c34..3c74b1273ea9 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
> @@ -4,6 +4,7 @@
>   * Copyright (C) 2017 Zodiac Inflight Innovations
>   */
>  
> +#include "common.xml.h"
>  #include "etnaviv_gpu.h"
>  #include "etnaviv_perfmon.h"
>  #include "state_hi.xml.h"
> @@ -35,13 +36,6 @@ struct etnaviv_pm_domain_meta {
>  	u32 nr_domains;
>  };
>  
> -static u32 simple_reg_read(struct etnaviv_gpu *gpu,
> -	const struct etnaviv_pm_domain *domain,
> -	const struct etnaviv_pm_signal *signal)
> -{
> -	return gpu_read(gpu, signal->data);
> -}
> -
>  static u32 perf_reg_read(struct etnaviv_gpu *gpu,
>  	const struct etnaviv_pm_domain *domain,
>  	const struct etnaviv_pm_signal *signal)
> @@ -75,6 +69,34 @@ static u32 pipe_reg_read(struct etnaviv_gpu *gpu,
>  	return value;
>  }
>  
> +static u32 hi_total_cycle_read(struct etnaviv_gpu *gpu,
> +	const struct etnaviv_pm_domain *domain,
> +	const struct etnaviv_pm_signal *signal)
> +{
> +	u32 reg = VIVS_HI_PROFILE_TOTAL_CYCLES;
> +
> +	if (gpu->identity.model == chipModel_GC880 ||
> +		gpu->identity.model == chipModel_GC2000 ||
> +		gpu->identity.model == chipModel_GC2100)
> +		reg = VIVS_MC_PROFILE_CYCLE_COUNTER;
> +
> +	return gpu_read(gpu, reg);
> +}
> +
> +static u32 hi_total_idle_cycle_read(struct etnaviv_gpu *gpu,
> +	const struct etnaviv_pm_domain *domain,
> +	const struct etnaviv_pm_signal *signal)
> +{
> +	u32 reg = VIVS_HI_PROFILE_IDLE_CYCLES;
> +
> +	if (gpu->identity.model == chipModel_GC880 ||
> +		gpu->identity.model == chipModel_GC2000 ||
> +		gpu->identity.model == chipModel_GC2100)
> +		reg = VIVS_HI_PROFILE_TOTAL_CYCLES;
> +
> +	return gpu_read(gpu, reg);
> +}
> +
>  static const struct etnaviv_pm_domain doms_3d[] = {
>  	{
>  		.name = "HI",
> @@ -84,13 +106,13 @@ static const struct etnaviv_pm_domain doms_3d[]
> = {
>  		.signal = (const struct etnaviv_pm_signal[]) {
>  			{
>  				"TOTAL_CYCLES",
> -				VIVS_HI_PROFILE_TOTAL_CYCLES,
> -				&simple_reg_read
> +				0,
> +				&hi_total_cycle_read
>  			},
>  			{
>  				"IDLE_CYCLES",
> -				VIVS_HI_PROFILE_IDLE_CYCLES,
> -				&simple_reg_read
> +				0,
> +				&hi_total_idle_cycle_read
>  			},
>  			{
>  				"AXI_CYCLES_READ_REQUEST_STALLED",
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