Re: [RfC PATCH 2/2] vga: make vram size configurable

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2012-05-24 05:44, Gerd Hoffmann wrote:
> Zap the global VGA_RAM_SIZE #define, make the vga ram size configurable
> for standard vga and vmware vga.  cirrus and qxl are left with a fixed
> size (and private VGA_RAM_SIZE #define) for now.
> 
> qxl needs some non-trivial adjustments in the mode list handling deal
> with a runtime-configurable size, which calls for a separate qxl patch.
> 
> cirrus emulates cards which have 2 MB (isa) and 4 MB (pci), so I guess
> it would make sense to use these sizes.  That change would break
> migration though, so I left it fixed at 8 MB size.  Making it
> configurabls is pretty pointless for cirrus as we have to match real
> hardware.

We still have the concept of compat machines. So raise to defaults to
more handy sizes should be feasible, provided we keep the old values for
legacy machines.

Jan

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