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

From: Jan Kiszka
Subject: Re: [Qemu-devel] [RfC PATCH 2/2] vga: make vram size configurable
Date: Thu, 24 May 2012 09:20:45 -0300
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv: Gecko/20080226 SUSE/ Thunderbird/ Mnenhy/

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.


Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

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