Re: [gentoo-user] Re: Compositing too slow in KDE

[Mick]

On Wednesday 23 March 2011 13:34:27 Bill Longman wrote:
> On 03/22/2011 11:57 PM, Mick wrote:
> >> My kernel is 2.6.36-r5 gentoo-sources running on the AMD Athlon II X4
> >> machine:
> >> $ zgrep RADEON /proc/config.gz
> >> CONFIG_DRM_RADEON=m
> >> CONFIG_DRM_RADEON_KMS=y
> >> CONFIG_FB_RADEON=y
> >> CONFIG_FB_RADEON_I2C=y
> >> CONFIG_FB_RADEON_BACKLIGHT=y
> >> # CONFIG_FB_RADEON_DEBUG is not set
> >>
> >>
> >> Wonderfully wobbly windows once again, without widespread (and
> >> unwelcomed) untimely terminations.
> >
> > How can you use x11-drivers/radeon-ucode (with KMS) *and*
> > CONFIG_FB_RADEON=y ?
> >
> > On two machines of mine I end up with a blank screen if I add a
> > framebuffer driver.
>
> I don't know, Mick. I have FB_MODE_HELPERS=y? or maybe because I have
>
> CONFIG_DRM_KMS_HELPER=m
> CONFIG_DRM_TTM=m
>
> these won't kick in until the module loads. Also, I use genkernel to
> build all the init stuff for me. I also have MTRR sanitizer turned on.
> Here are the other kernel settings I have, again, on the Athlon II X4
> system, that could be relevant:
>
> CONFIG_VIDEO_OUTPUT_CONTROL=m
> CONFIG_FB=y
> CONFIG_FIRMWARE_EDID=y
> CONFIG_FB_DDC=y
> CONFIG_FB_BOOT_VESA_SUPPORT=y
> CONFIG_FB_CFB_FILLRECT=y
> CONFIG_FB_CFB_COPYAREA=y
> CONFIG_FB_CFB_IMAGEBLIT=y
>
> Now last night on my Phenom 940, I was unable to get KDE to remain
> stable unless I turned on KMS. Now that system, too, is stable as far as
> the half hour of testing I performed was able to show.

Just to let you know that the latest mesa-7.10.1 fixed things for me nicely.  
Now compositing works in KDE and E17 gives me no artifacts with OpenGL 
acceleration. 

 :)

-- 
Regards,
Mick