> > static struct imx_fb_videomode imxfb_mode = {
> >
> > .mode_list = tx28evk_vmodes,
> > .mode_cnt = ARRAY_SIZE(tx28evk_vmodes),
> > .dotclk_delay = 0, /* no adaption required */
> > .ld_intf_width = STMLCDIF_24BIT, /* full 24 bit */
> >
> > + .fixed_screen = (void *)(0x40000000 + SZ_128M - MAX_FB_SIZE),
> > + .fixed_screen_size = MAX_FB_SIZE,
> >
> > };
>
> Question only: Any idea how we could make this setup (base address and size
> of the fixed screen) a runtime feature? This would be a nice feature like
> most modern BIOS also have: Make the size of the video memory shared with
> the CPU selectable at runtime.
>
Purely out of interest, what is the advantage/necessity for having the frame
buffer at a fixed address?
Cheers
Marc
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