[PATCH] OMAP: DISPC: Enable dispc wake up capability

[PATCH] OMAP: DISPC: Enable dispc wake up capability

[Jouni Hogander]

Without wakeup enable omap doesn't wake up on dispc interrupts. This
causes problems in a case where mpu is in sleep state and dispc
interrupt fires.

Signed-off-by: Jouni Hogander <jouni.hogander@nokia.com>
---
 drivers/video/omap/dispc.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
index 3d64314..d232ea9 100644
--- a/drivers/video/omap/dispc.c
+++ b/drivers/video/omap/dispc.c
@@ -1393,10 +1393,10 @@ static int omap_dispc_init(struct omapfb_device *fbdev, int ext_mode,
 		enable_digit_clocks(0);
 	}
 
-	/* Enable smart idle and autoidle */
+	/* Enable smart standby/idle, autoidle and wakeup */
 	l = dispc_read_reg(DISPC_SYSCONFIG);
 	l &= ~((3 << 12) | (3 << 3));
-	l |= (2 << 12) | (2 << 3) | (1 << 0);
+	l |= (2 << 12) | (2 << 3) | (1 << 2) | (1 << 0);
 	dispc_write_reg(DISPC_SYSCONFIG, l);
 	omap_writel(1 << 0, DSS_BASE + DSS_SYSCONFIG);
 
-- 
1.5.5

Re: [PATCH] OMAP: DISPC: Enable dispc wake up capability

[Tony Lindgren]

* Jouni Hogander <jouni.hogander@nokia.com> [080815 12:51]:
> Without wakeup enable omap doesn't wake up on dispc interrupts. This
> causes problems in a case where mpu is in sleep state and dispc
> interrupt fires.

Pushing today.

Tony

> Signed-off-by: Jouni Hogander <jouni.hogander@nokia.com>
> ---
>  drivers/video/omap/dispc.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
> index 3d64314..d232ea9 100644
> --- a/drivers/video/omap/dispc.c
> +++ b/drivers/video/omap/dispc.c
> @@ -1393,10 +1393,10 @@ static int omap_dispc_init(struct omapfb_device *fbdev, int ext_mode,
>  		enable_digit_clocks(0);
>  	}
>  
> -	/* Enable smart idle and autoidle */
> +	/* Enable smart standby/idle, autoidle and wakeup */
>  	l = dispc_read_reg(DISPC_SYSCONFIG);
>  	l &= ~((3 << 12) | (3 << 3));
> -	l |= (2 << 12) | (2 << 3) | (1 << 0);
> +	l |= (2 << 12) | (2 << 3) | (1 << 2) | (1 << 0);
>  	dispc_write_reg(DISPC_SYSCONFIG, l);
>  	omap_writel(1 << 0, DSS_BASE + DSS_SYSCONFIG);
>  
> -- 
> 1.5.5
> 
> --
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