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OMAP: DSS: dispc: enable/disable clocks in error handler 

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 <dima@android.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Dima Zavin 2011-06-27 10:31:05 -07:00 committed by Tomi Valkeinen
parent 0f770b4765
commit 13eae1f982
1 changed files with 4 additions and 0 deletions
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4
drivers/video/omap2/dss/dispc.c
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@ -3306,6 +3306,8 @@ 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) {
@ -3492,6 +3494,8 @@ 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)