On 01.07.2022 02:06, Laurent Pinchart wrote:
When a link validation failure occurs, print a debug message to help diagnosing the cause. Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Reviewed-by: Dafna Hirschfeld <dafna@xxxxxxxxxxxx>
--- Changes since v1: - Add missing \n --- .../media/platform/rockchip/rkisp1/rkisp1-capture.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c index 94819e6c23e2..fb14c8aa154c 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c @@ -1294,8 +1294,16 @@ static int rkisp1_capture_link_validate(struct media_link *link) if (sd_fmt.format.height != cap->pix.fmt.height || sd_fmt.format.width != cap->pix.fmt.width || - sd_fmt.format.code != fmt->mbus) + sd_fmt.format.code != fmt->mbus) { + dev_dbg(cap->rkisp1->dev, + "link '%s':%u -> '%s':%u not valid: 0x%04x/%ux%u != 0x%04x/%ux%u\n", + link->source->entity->name, link->source->index, + link->sink->entity->name, link->sink->index, + sd_fmt.format.code, sd_fmt.format.width, + sd_fmt.format.height, fmt->mbus, cap->pix.fmt.width, + cap->pix.fmt.height); return -EPIPE; + } return 0; } -- Regards, Laurent Pinchart