unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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OMAPDSS: gracefully disable overlay at error

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Disable overlay via ovl->disable() interface, which will
properly set flags in cache and GO bits for managers.
This allows overlay user to re-enable it on next frame,
thus recovering from FIFO underflows.

Signed-off-by: Sergey Kibrik <sergiikibrik@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Sergey Kibrik 2013-04-25 11:28:15 +03:00 committed by Tomi Valkeinen
parent b0e449ce65
commit 595470a785
1 changed files with 1 additions and 2 deletions
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3
drivers/video/omap2/dss/dispc-compat.c
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@ -360,8 +360,7 @@ static void dispc_error_worker(struct work_struct *work)
if (bit & errors) {
DSSERR("FIFO UNDERFLOW on %s, disabling the overlay\n",
ovl->name);
dispc_ovl_enable(ovl->id, false);
dispc_mgr_go(ovl->manager->id);
ovl->disable(ovl);
msleep(50);
}
}