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media: rkisp1: debug: Add dump file in debugfs for MI main path registers 

Add a register dump file in debugfs for some of the buffer-related
registers for the main path in MI (for the base address, the size, and
the offset). Also dump the corresponding shadow registers.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Dafna Hirschfeld <dafna@fastmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Paul Elder 2022-06-14 20:10:33 +01:00 committed by Mauro Carvalho Chehab
parent 7d4f126fde
commit 8bd1dbf8d5
1 changed files with 21 additions and 0 deletions
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21
drivers/media/platform/rockchip/rkisp1/rkisp1-debug.c
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@ -121,6 +121,24 @@ static int rkisp1_debug_dump_rsz_regs_show(struct seq_file *m, void *p)
}
DEFINE_SHOW_ATTRIBUTE(rkisp1_debug_dump_rsz_regs);
static int rkisp1_debug_dump_mi_mp_show(struct seq_file *m, void *p)
{
static const struct rkisp1_debug_register registers[] = {
RKISP1_DEBUG_REG(MI_MP_Y_BASE_AD_INIT),
RKISP1_DEBUG_REG(MI_MP_Y_BASE_AD_INIT2),
RKISP1_DEBUG_REG(MI_MP_Y_BASE_AD_SHD),
RKISP1_DEBUG_REG(MI_MP_Y_SIZE_INIT),
RKISP1_DEBUG_REG(MI_MP_Y_SIZE_INIT),
RKISP1_DEBUG_REG(MI_MP_Y_SIZE_SHD),
RKISP1_DEBUG_REG(MI_MP_Y_OFFS_CNT_SHD),
{ /* Sentinel */ },
};
struct rkisp1_device *rkisp1 = m->private;
return rkisp1_debug_dump_regs(rkisp1, m, 0, registers);
}
DEFINE_SHOW_ATTRIBUTE(rkisp1_debug_dump_mi_mp);
#define RKISP1_DEBUG_DATA_COUNT_BINS 32
#define RKISP1_DEBUG_DATA_COUNT_STEP (4096 / RKISP1_DEBUG_DATA_COUNT_BINS)
@ -214,6 +232,9 @@ void rkisp1_debug_init(struct rkisp1_device *rkisp1)
debugfs_create_file("srsz", 0444, regs_dir,
&rkisp1->resizer_devs[RKISP1_SELFPATH],
&rkisp1_debug_dump_rsz_regs_fops);
debugfs_create_file("mi_mp", 0444, regs_dir, rkisp1,
&rkisp1_debug_dump_mi_mp_fops);
}
void rkisp1_debug_cleanup(struct rkisp1_device *rkisp1)