[U-Boot] [PATCH 2/2] cmp_bmp: allow negative X, Y values for display command

[Detlev Zundel <dzu@denx.de>]

Hi Timur,

> Detlev Zundel wrote:
>
>> Can't you come up with a scheme which does not destroy this valuable
>> property of our coordinates?
>
> I'm only doing two things:
>
> 1) Exposing a feature of the existing code.  Notice that I only had to change
> two lines in the cmd_bmp code, not any of the core bitmap code, which already
> takes signed integers.

Yes, I fully expected such an answer.  Please show me the "existing
feature" which started to leak in such virtual coordinates into the
code.  We should take a look at this and re-evaluate it.

> 2) Trying to use the existing bitmap code to do the same thing that we do
> with the Freescale-specific bitmap code.
>
> If you can tell me how I can display a logo on top of the screen, and have
> all of the boot text appear below the logo, I'll be happy to do that instead.
>   The logo will then scroll off the top of the screen, but that's okay.

We can discuss this once I see the code that makes virtual coordinates
neccessary.

Cheers
  Detlev

-- 
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