Hi,
On Monday 27 June 2011 10:31 AM, Dima Zavin wrote:
There's no guarantee that the error handler worker thread
will run while the dispc clocks are on. Explicitly enable/disable
them.
I agree with this.
Tomi,
We could get prevent scheduling of the error worker by registering
omap_dispc_irq_handler() as an interrupt thread.
Archit
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)
--
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