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Subject[PATCH v1 2/5] media: rkvdec: Add an ops to check for decode errors
Date
This optional internal ops allow each codec to do their own
error status checking. The presence of an error is reported
using the ERROR buffer state. This patch have no functional
changes.

Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
---
drivers/staging/media/rkvdec/rkvdec.c | 10 ++++++----
drivers/staging/media/rkvdec/rkvdec.h | 2 ++
2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c
index 7bab7586918c..7e76f8b72885 100644
--- a/drivers/staging/media/rkvdec/rkvdec.c
+++ b/drivers/staging/media/rkvdec/rkvdec.c
@@ -950,6 +950,7 @@ static void rkvdec_v4l2_cleanup(struct rkvdec_dev *rkvdec)
static irqreturn_t rkvdec_irq_handler(int irq, void *priv)
{
struct rkvdec_dev *rkvdec = priv;
+ struct rkvdec_ctx *ctx;
enum vb2_buffer_state state;
u32 status;

@@ -958,12 +959,13 @@ static irqreturn_t rkvdec_irq_handler(int irq, void *priv)
VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;

writel(0, rkvdec->regs + RKVDEC_REG_INTERRUPT);
- if (cancel_delayed_work(&rkvdec->watchdog_work)) {
- struct rkvdec_ctx *ctx;
+ ctx = v4l2_m2m_get_curr_priv(rkvdec->m2m_dev);

- ctx = v4l2_m2m_get_curr_priv(rkvdec->m2m_dev);
+ if (ctx->coded_fmt_desc->ops->check_error_info)
+ state = ctx->coded_fmt_desc->ops->check_error_info(ctx);
+
+ if (cancel_delayed_work(&rkvdec->watchdog_work))
rkvdec_job_finish(ctx, state);
- }

return IRQ_HANDLED;
}
diff --git a/drivers/staging/media/rkvdec/rkvdec.h b/drivers/staging/media/rkvdec/rkvdec.h
index 633335ebb9c4..4ae8e6c6b03c 100644
--- a/drivers/staging/media/rkvdec/rkvdec.h
+++ b/drivers/staging/media/rkvdec/rkvdec.h
@@ -73,6 +73,8 @@ struct rkvdec_coded_fmt_ops {
struct vb2_v4l2_buffer *dst_buf,
enum vb2_buffer_state result);
int (*try_ctrl)(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl);
+ /* called from IRQ handler */
+ int (*check_error_info)(struct rkvdec_ctx *ctx);
};

struct rkvdec_coded_fmt_desc {
--
2.36.1
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