Hi Paul, Thank you for the patch. On Wed, Jun 15, 2022 at 04:10:35AM +0900, Paul Elder wrote: > Add files in debugfs to monitor some of the interrupts of the MI and > ISP. Add the appropriate holder variables in the rkisp1_debug struct as > well. > > Signed-off-by: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx> > --- > .../platform/rockchip/rkisp1/rkisp1-common.h | 9 +++++++++ > .../platform/rockchip/rkisp1/rkisp1-debug.c | 20 +++++++++++++++++++ > 2 files changed, 29 insertions(+) > > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > index 4243ff5e2197..a67fe7b1dfa1 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > @@ -364,6 +364,15 @@ struct rkisp1_debug { > unsigned long stats_error; > unsigned long stop_timeout[2]; > unsigned long frame_drop[2]; > + unsigned long mi_irq_mblk_line_count; > + unsigned long mi_irq_fill_mp_y_count; > + unsigned long mi_irq_frame_count; > + unsigned long mi_irq_wrap_mp_y_count; > + unsigned long mi_irq_wrap_mp_cb_count; > + unsigned long mi_irq_wrap_mp_cr_count; > + unsigned long isp_irq_v_start_count; > + unsigned long isp_irq_frame_count; > + unsigned long isp_irq_frame_in_count; > }; > > /* > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c > index 1a59c00fabdd..02854e8ea1a4 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c > @@ -220,6 +220,26 @@ void rkisp1_debug_init(struct rkisp1_device *rkisp1) > debugfs_create_file("input_status", 0444, debug->debugfs_dir, rkisp1, > &rkisp1_debug_input_status_fops); > > + debugfs_create_ulong("mi_irq_mblk_line_count", 0444, debug->debugfs_dir, > + &debug->mi_irq_mblk_line_count); > + debugfs_create_ulong("mi_irq_fill_mp_y_count", 0444, debug->debugfs_dir, > + &debug->mi_irq_fill_mp_y_count); > + debugfs_create_ulong("mi_irq_frame_count", 0444, debug->debugfs_dir, > + &debug->mi_irq_frame_count); > + debugfs_create_ulong("mi_irq_wrap_mp_y_count", 0444, debug->debugfs_dir, > + &debug->mi_irq_wrap_mp_y_count); > + debugfs_create_ulong("mi_irq_wrap_mp_cb_count", 0444, debug->debugfs_dir, > + &debug->mi_irq_wrap_mp_cb_count); > + debugfs_create_ulong("mi_irq_wrap_mp_cr_count", 0444, debug->debugfs_dir, > + &debug->mi_irq_wrap_mp_cr_count); > + > + debugfs_create_ulong("isp_irq_v_start_count", 0444, debug->debugfs_dir, > + &debug->isp_irq_v_start_count); > + debugfs_create_ulong("isp_irq_frame_count", 0444, debug->debugfs_dir, > + &debug->isp_irq_frame_count); > + debugfs_create_ulong("isp_irq_frame_in_count", 0444, debug->debugfs_dir, > + &debug->isp_irq_frame_in_count); It's nice to expose these through debugfs, but it looks like you never actually set any of those fields :-) I think you could just drop this patch. > + > regs_dir = debugfs_create_dir("regs", debug->debugfs_dir); > > debugfs_create_file("core", 0444, regs_dir, rkisp1, -- Regards, Laurent Pinchart