diff options
Diffstat (limited to 'drivers/staging/media/sunxi/cedrus/cedrus_hw.c')
| -rw-r--r-- | drivers/staging/media/sunxi/cedrus/cedrus_hw.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c index 2d7663726467..a6470a89851e 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c @@ -118,6 +118,13 @@ static irqreturn_t cedrus_irq(int irq, void *data) enum vb2_buffer_state state; enum cedrus_irq_status status; + /* + * If cancel_delayed_work returns false it means watchdog already + * executed and finished the job. + */ + if (!cancel_delayed_work(&dev->watchdog_work)) + return IRQ_HANDLED; + ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev); if (!ctx) { v4l2_err(&dev->v4l2_dev, @@ -143,6 +150,24 @@ static irqreturn_t cedrus_irq(int irq, void *data) return IRQ_HANDLED; } +void cedrus_watchdog(struct work_struct *work) +{ + struct cedrus_dev *dev; + struct cedrus_ctx *ctx; + + dev = container_of(to_delayed_work(work), + struct cedrus_dev, watchdog_work); + + ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev); + if (!ctx) + return; + + v4l2_err(&dev->v4l2_dev, "frame processing timed out!\n"); + reset_control_reset(dev->rstc); + v4l2_m2m_buf_done_and_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx, + VB2_BUF_STATE_ERROR); +} + int cedrus_hw_suspend(struct device *device) { struct cedrus_dev *dev = dev_get_drvdata(device); |