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

Paul Elder
2023-11-29T09:31:05Z

Add a counter to debugfs to count the number of frame-end interrupts.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
---
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)
--
2.39.2