[U-Boot] Add video support for mx51evk

[Wolfgang Denk]

Dear Stefano Babic,

In message <4CCFB244.2000909 at denx.de> you wrote:
>
> Consider this, I do not think the actual computation in lcd_setmem() is
> correct. We need to compute the maximum amount of memory to be reserved
> to the framebuffer, not the value requested by the current display
> interface. We could add a CONFIG_SYS_VIDEO_SIZE that contains the
> maximum amount of memory needed, because the value is strictly
> board-dependent, and change lcd_setmem to use it. Anatolij, what do you
> think about this ?

Why cannot you determine the exact amount needed at runtime?

Best regards,

Wolfgang Denk

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