Comment 53 for bug 47775

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In , Michel-tungstengraphics (michel-tungstengraphics) wrote :

Ben, any ideas why the memmap changes could cause freezes on setting a mode?
AFAICT the only major difference is that RADEONRestoreMemMapRegisters() gets
called in the process, maybe the unconditional writes to DISPLAY_BASE_ADDR are
problematic?