[U-Boot] [PATCH] video: ipu_disp: wait for DP SF end irq when disabling sync BG flows

[Anatolij Gustschin]

Hi,

On Fri, 28 Feb 2014 15:12:25 +0800
Liu Ying <Ying.Liu at freescale.com> wrote:

> Instead of waiting for DC triple buffer to be cleared, this patch
> changes to wait for a relevant DP sync flow end interrupt to come
> when disabling sync BG flows.  In this way, we align the implement
> to the freescale internal IPUv3 driver.  After applying this patch,
> an uboot hang up issue at the arch_preboot_os() stage, where we
> disable a relevant ipu display channel, is not observed any more on
> some MX6DL platforms.
> 
> Signed-off-by: Liu Ying <Ying.Liu at freescale.com>
> ---
>  drivers/video/ipu.h      |    8 ++++++++
>  drivers/video/ipu_disp.c |   27 ++++++++-------------------
>  drivers/video/ipu_regs.h |    3 +++
>  3 files changed, 19 insertions(+), 19 deletions(-)

applied to u-boot-video/master. Thanks!

Anatolij