Re: [PATCH v2 09/19] tegra: Add SOC support for display/lcd

On Wed, Jul 11, 2012 at 6:49 AM, Simon Glass <sjg <at> google.com> wrote:

> Hi Stephen,
>
>
> On Fri, Jun 15, 2012 at 1:39 AM, Stephen Warren <swarren <at> wwwdotorg.org>wrote:
>
>> On 06/13/2012 10:19 AM, Simon Glass wrote:
>> > From: Wei Ni <wni <at> nvidia.com>
>> >
>> > Add support for the LCD peripheral at the Tegra2 SOC level. A separate
>> > LCD driver will use this functionality to configure the display.
>>
>> > diff --git a/arch/arm/include/asm/arch-tegra2/display.h
>> b/arch/arm/include/asm/arch-tegra2/display.h
>>
>> > +/**
>> > + * Perform the next stage of the LCD init if it is time to do so.
>> > + *
>> > + * LCD init can be time-consuming because of the number of delays we
>> need
>> > + * while waiting for the backlight power supply, etc. This function can
>> > + * be called at various times during U-Boot operation to advance the
>> > + * initialization of the LCD to the next stage if sufficient time has
>> > + * passed since the last stage. It keeps track of what stage it is up
>> to
>> > + * and the time that it is permitted to move to the next stage.
>> > + *
>> > + * The final call should have wait=1 to complete the init.
>> > + *