From: Alex D. <ale...@gm...> - 2009-12-08 23:21:44
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On Tue, Dec 8, 2009 at 6:07 PM, Ancoron Luciferis <an...@ch...> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Jerome Glisse wrote: >> 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. > ^^ > And that is exactly what I'm planning for my X1950XTX (the first one > with 2x Dual-Link-DVI). > > And with the newer HD5000 series AMD is going for triple ones, just like > Matrox did already years ago. > > As another question in this area, I always see this message on startup > in my Xorg.0.log: > > (II) RADEON(0): Cannot get VRAM scratch space. Allocating in main memory > instead > > As it is an INFO I assume this is not critical and all things work but I > always asked myself if this may cause any performance loss? This is only used for some tables for atom-based modesetting. It in no way affects performance. Alex |