There's no guarantee that the error handler worker thread will run while the dispc clocks are on. Explicitly enable/disable them.
Signed-off-by: Dima Zavin <[email protected]> --- drivers/video/omap2/dss/dispc.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 62aa77c..2458248 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -3292,6 +3292,8 @@ static void dispc_error_worker(struct work_struct *work) dispc.error_irqs = 0; spin_unlock_irqrestore(&dispc.irq_lock, flags); + dispc_runtime_get(); + if (errors & DISPC_IRQ_GFX_FIFO_UNDERFLOW) { DSSERR("GFX_FIFO_UNDERFLOW, disabling GFX\n"); for (i = 0; i < omap_dss_get_num_overlays(); ++i) { @@ -3478,6 +3480,8 @@ static void dispc_error_worker(struct work_struct *work) dispc.irq_error_mask |= errors; _omap_dispc_set_irqs(); spin_unlock_irqrestore(&dispc.irq_lock, flags); + + dispc_runtime_put(); } int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout) -- 1.7.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
