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

Anatolij Gustschin
2014-08-11T15:33:40Z

Hi,

On Fri, 28 Feb 2014 15:12:25 +0800
Liu Ying <Ying.Liu@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@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