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media: staging: rkisp1: set more precise size errors in debugfs 

When a size error is signaled, it is possible to read a register
to see where the error comes from. So, in debugfs the general
error 'pic_size_err' can be replaced with 3 more precise errors.

Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Dafna Hirschfeld 2020-05-29 16:03:51 +02:00 committed by Mauro Carvalho Chehab
parent d000e9b5e4
commit 875c0d7595
3 changed files with 16 additions and 4 deletions
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4
drivers/staging/media/rkisp1/rkisp1-common.h
View File

@ -229,7 +229,9 @@ struct rkisp1_resizer {
struct rkisp1_debug {
struct dentry *debugfs_dir;
unsigned long data_loss;
unsigned long pic_size_error;
unsigned long outform_size_error;
unsigned long img_stabilization_size_error;
unsigned long inform_size_error;
unsigned long mipi_error;
unsigned long stats_error;
unsigned long stop_timeout[2];

9
drivers/staging/media/rkisp1/rkisp1-dev.c
View File

@ -438,8 +438,13 @@ static void rkisp1_debug_init(struct rkisp1_device *rkisp1)
}
debugfs_create_ulong("data_loss", 0444, debug->debugfs_dir,
&debug->data_loss);
debugfs_create_ulong("pic_size_error", 0444, debug->debugfs_dir,
&debug->pic_size_error);
debugfs_create_ulong("outform_size_err", 0444, debug->debugfs_dir,
&debug->outform_size_error);
debugfs_create_ulong("img_stabilization_size_error", 0444,
debug->debugfs_dir,
&debug->img_stabilization_size_error);
debugfs_create_ulong("inform_size_error", 0444, debug->debugfs_dir,
&debug->inform_size_error);
debugfs_create_ulong("mipi_error", 0444, debug->debugfs_dir,
&debug->mipi_error);
debugfs_create_ulong("stats_error", 0444, debug->debugfs_dir,

7
drivers/staging/media/rkisp1/rkisp1-isp.c
View File

@ -1122,8 +1122,13 @@ void rkisp1_isp_isr(struct rkisp1_device *rkisp1)
if (status & RKISP1_CIF_ISP_PIC_SIZE_ERROR) {
/* Clear pic_size_error */
isp_err = rkisp1_read(rkisp1, RKISP1_CIF_ISP_ERR);
if (isp_err & RKISP1_CIF_ISP_ERR_INFORM_SIZE)
rkisp1->debug.inform_size_error++;
if (isp_err & RKISP1_CIF_ISP_ERR_IS_SIZE)
rkisp1->debug.img_stabilization_size_error++;
if (isp_err & RKISP1_CIF_ISP_ERR_OUTFORM_SIZE)
rkisp1->debug.outform_size_error++;
rkisp1_write(rkisp1, isp_err, RKISP1_CIF_ISP_ERR_CLR);
rkisp1->debug.pic_size_error++;
} else if (status & RKISP1_CIF_ISP_DATA_LOSS) {
/* keep track of data_loss in debugfs */
rkisp1->debug.data_loss++;