Misreported VRAM

Jerome Glisse glisse at freedesktop.org
Mon Dec 7 11:44:18 PST 2009


On Mon, Dec 07, 2009 at 06:54:13PM +0000, Mike Lothian wrote:
> I have a Radeon 4650 (RV730) :
> 
>  01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV730
> PRO [Radeon HD 4650] [1002:9498]
> 
> This should have 1GB DDR2 VRAM on board however my dmesg states differently

So far we don't use VRAM beyond PCI aperture which is 256M on your
system. I am planing on adding support for unvisible ram this week.

Note that i don't think we have a driver which can take advantage
of such amount of VRAM yet, except if you are driving 2 30" screen.

Cheers,
Jerome


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