Radeon x1k Series Base Addresses

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BAiC

Joined: 22 Mar 2011
Posts: 272
Location: California

BAiC 12 May 2012, 02:38

does anyone know which (of the many) tables given in the Radeon R500 documentation describes the base addresses given in the PCI Configuration Space BARs? There are 2 MMIO addresses and 1 IO address. The documentation I've read doesn't provide the root of all the different "aperture" regions.

12 May 2012, 02:38

BAiC

Joined: 22 Mar 2011
Posts: 272
Location: California

BAiC 19 Jun 2012, 13:15

ok, so I figured out that all of the "DEC" addresses are actually inside the single range provided by PCI Base Address 2 in PCI Configuration Space.

HIDEC / DISPDEC / MCDEC / VIPDEC / etc ...

I just finished overhauling my 'Ordered Ring Buffer' software and am now getting started on the driver for the R500 series. is anyone else interested in hardware acceleration?

19 Jun 2012, 13:15

asmhack

Joined: 01 Feb 2008
Posts: 429

asmhack 19 Jun 2012, 17:55

I'm on ATI Radeon HD 4670 1GB DDR3 and hardware acceleration will freeze my Win7 x64, so I have it unchecked on videos.

19 Jun 2012, 17:55

BAiC

Joined: 22 Mar 2011
Posts: 272
Location: California

BAiC 19 Jun 2012, 19:45

asmhack: that's Windows.. and I seriously doubt your talking about the same thing that I am.

19 Jun 2012, 19:45

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