From: Anatolij Gustschin <agust@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] video/powerpc: don't touch DIU registers that we don't need
Date: Fri, 21 Sep 2012 23:56:48 +0200 [thread overview]
Message-ID: <20120921235648.326d7210@wker> (raw)
In-Reply-To: <1347916362-26283-1-git-send-email-timur@freescale.com>
Hi Timur,
On Mon, 17 Sep 2012 16:12:42 -0500
Timur Tabi <timur@freescale.com> wrote:
> Several DIU registers were being initialized either unnecessarily or to
> wrong values.
>
> 1) All interrupts were enabled even though there's no interrupt handler.
> Interrupts were left enabled when booting Linux.
>
> 2) Don't configure a dummy area descriptor, since we don't support ADs
> in U-Boot.
>
> 3) Don't configure any write-back buffer registers, since we don't use
> that mode.
>
> 4) The default values for the THRESHOLDS, SYN_POL, and PLUT registers
> should be used, so don't touch those registers either.
>
> Signed-off-by: Timur Tabi <timur@freescale.com>
> ---
> drivers/video/fsl_diu_fb.c | 21 ++-------------------
> 1 files changed, 2 insertions(+), 19 deletions(-)
Applied to video/master. I'm sorry for long delay.
Thanks,
Anatolij
prev parent reply other threads:[~2012-09-21 21:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-17 21:12 [U-Boot] [PATCH] video/powerpc: don't touch DIU registers that we don't need Timur Tabi
2012-09-21 21:56 ` Anatolij Gustschin [this message]
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