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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:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
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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