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Commit 75c7d59d authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Tomi Valkeinen
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OMAP: DSS2: clear spurious SYNC_LOST_DIGIT interrupts 



When DSS transitions from off mode to on VENC may generate a spurious
SYNC_LOST_DIGIT error. Just ack it when restoring the context. Also
restore IRQENABLE last to avoid triggering interrupts before the
context is fully restored.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@nokia.com>
Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@nokia.com>
parent a74b2605

drivers/video/omap2/dss/dispc.c

+10 −1
Original line number Diff line number Diff line
@@ -335,7 +335,7 @@ void dispc_save_context(void) 
void dispc_restore_context(void)

{

	RR(SYSCONFIG);

	RR(IRQENABLE);

	/*RR(IRQENABLE);*/

	/*RR(CONTROL);*/

	RR(CONFIG);

	RR(DEFAULT_COLOR0);
@@ -472,6 +472,15 @@ void dispc_restore_context(void) 


	/* enable last, because LCD & DIGIT enable are here */

	RR(CONTROL);



	/* clear spurious SYNC_LOST_DIGIT interrupts */

	dispc_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT);



	/*

	 * enable last so IRQs won't trigger before

	 * the context is fully restored

	 */

	RR(IRQENABLE);

}



#undef SR