[Bug 39107] Xorg radeon driver fails on all options

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=39107

Alex Deucher <agd5f at yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|                            |NOTABUG

--- Comment #3 from Alex Deucher <agd5f at yahoo.com> 2011-07-10 15:19:10 PDT ---
(In reply to comment #2)
> To me its a bug, because its not working.
> 
> I have to open my case because my cpu are even when the are doing nothing (only
> showing desktop). The temperature is around 70C en the clock speed are still
> maximal. With the ATI driver the clock speeds were reduced by 50% and the
> temperature too, I have to admit that crossfire is supported and that also
> bings the temperature down a bit.

You need to use alternate means to configure those features with KMS.  As I
said before, see the power management section of the radeon feature page for
more info:
http://wiki.x.org/wiki/RadeonFeature

Also FWIW, the open source drivers do not take advantage of crossfire yet.

> 
> man radeon gives me:
> 
> In addition, the following driver Options are supported for BOTH UMS (Userspace
> Modesetting) and KMS (Kernel Modesetting):

That is incorrect.  See the man page:
http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/tree/man/radeon.man

"In addition, the following driver Options are supported for both UMS
(Userspace Mode-setting) and KMS (Kernel Modesetting):

       Option "SWcursor" "boolean"
       Option "NoAccel" "boolean"
       Option "ZaphodHeads" "string"
       Option "EXAVSync" "boolean""

> 
> Option "DepthBits" "integer"

Not relevant for KMS as KMS has a unified memory manager.

> Option "ClockGating" "boolean"

Handled in the kernel with KMS.

> Option "DynamicPM" "boolean"

Handled in the kernel with KMS.

> Option "ForceLowPowerMode" "boolean"

Handled in the kernel with KMS.

> Option "DMAForXv" "boolean"

KMS always uses DMA for Xv.

> 
> These options are according the manual VALID options.

They are only for UMS as specified in the man page.

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