From: Anatolij Gustschin <agust@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] video: ipu_disp: wait for DP SF end irq when disabling sync BG flows
Date: Mon, 11 Aug 2014 17:33:40 +0200 [thread overview]
Message-ID: <20140811173340.10089577@crub> (raw)
In-Reply-To: <1393571545-18953-1-git-send-email-Ying.Liu@freescale.com>
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
prev parent reply other threads:[~2014-08-11 15:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-28 7:12 [U-Boot] [PATCH] video: ipu_disp: wait for DP SF end irq when disabling sync BG flows Liu Ying
2014-08-11 15:33 ` Anatolij Gustschin [this message]
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