[PATCH v2 3/4] media: rkisp1: debug: Count completed frame interrupts

[Paul Elder]

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

Signed-off-by: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx>
Reviewed-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
Reviewed-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@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 d2fbed42164e..79cda589d935 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c
@@ -221,6 +221,8 @@ 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 88ca8b2283b7..bd3acd926410 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
@@ -989,6 +989,8 @@ 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