Suspend/Resumes fails early with r600(RV710) in "unpin not necessary"
michel at daenzer.net
Mon Mar 26 03:07:32 PDT 2012
On Sam, 2012-03-24 at 23:53 +0100, Manuel Krause wrote:
> So, I'm left with some questions now:
> - Why does hibernation only work with PCIE forced mode?
Things are pointing towards a problem in the AGP bridge driver /
> - If I don't see performance regressions in PCIE forced mode,
> is the AGP mode coded to max. performance at all?
> (As I thought until now, AGP offered higher transfer rates
> than 33MHz PCI ?!)
It does, but the transfer rate tends not to matter that much in general.
> - Are there "hidden brakes" inside the kernel, that disallow
> AGP 4x, FW and SBA in combination of my chipset with
> this ATI HD4350 card from HIS ? Can I unlock them manually?
KMS always disables FW because it caused too much trouble for too little
gain. You can try enabling it in
drivers/gpu/drm/radeon/radeon_agp.c:radeon_agp_init(). Not sure about
> - Are there "tunables" of that PCIE forced mode?
None that I know of.
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Debian, X and DRI developer
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