gta02 framebuffer decay on suspend

[Andy Green]

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Somebody in the thread at some point said:

| The longer I have a gta02 suspended to ram, the more decay I see in the
| framebuffer when I resume. Is there a way to force a refresh of this in
| hardware registers or at the device layer? Is this the glamo or the 410
| framebuffer?

This is Glamo internal memory not getting refresh.

On resume, X should redraw; for true framebuffer nobody takes
responsibility for it.  We can dump the framebuffer to CPU RAM in
suspend and spam it back on resume, but it will delay both actions.

- -Andy
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