Re: [PATCH 3/3] media: rkisp1: debug: Count completed frame interrupts

[Alexander Stein]

Hi Paul,

thanks for the patch.

Am Mittwoch, 29. November 2023, 10:29:56 CET schrieb Paul Elder:
> Add a counter to debugfs to count the number of frame-end interrupts.

This looks good to me.
Reviewed-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>

> Signed-off-by: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx>
> ---
>  drivers/media/platform/rockchip/rkisp1/rkisp1-common.h | 1 +
>  drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c  | 2 ++
>  drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c    | 2 ++
>  3 files changed, 5 insertions(+)
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h index
> 1e7cea1bea5e..be69173958a4 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> @@ -417,6 +417,7 @@ struct rkisp1_debug {
>  	unsigned long stats_error;
>  	unsigned long stop_timeout[2];
>  	unsigned long frame_drop[2];
> +	unsigned long complete_frames;
>  };
> 
>  /*
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c
> b/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c index
> f66b9754472e..1b1edfd3ab6c 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c
> @@ -232,6 +232,8 @@ void rkisp1_debug_init(struct rkisp1_device *rkisp1)
>  			     &debug->frame_drop[RKISP1_MAINPATH]);
>  	debugfs_create_ulong("sp_frame_drop", 0444, debug->debugfs_dir,
>  			     &debug->frame_drop[RKISP1_SELFPATH]);
> +	debugfs_create_ulong("complete_frames", 0444, debug->debugfs_dir,
> +			     &debug->complete_frames);
>  	debugfs_create_file("input_status", 0444, debug->debugfs_dir, 
rkisp1,
>  			    &rkisp1_debug_input_status_fops);
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c index
> 64a956b9f2d0..06cdb4edf19c 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> @@ -991,6 +991,8 @@ irqreturn_t rkisp1_isp_isr(int irq, void *ctx)
>  	if (status & RKISP1_CIF_ISP_FRAME) {
>  		u32 isp_ris;
> 
> +		rkisp1->debug.complete_frames++;
> +
>  		/* New frame from the sensor received */
>  		isp_ris = rkisp1_read(rkisp1, RKISP1_CIF_ISP_RIS);
>  		if (isp_ris & RKISP1_STATS_MEAS_MASK)


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