drm2 again

[Steve Kargl]

On Thu, Nov 01, 2018 at 09:12:32AM +0100, Niclas Zeising wrote:
> On 10/31/18 11:32 PM, Steve Kargl wrote:
> > If I compare Xorg.0.log for drm-legacy-kmod to drm-stable-kmod,
> > the black screen of death seems to be related to this failure in legacy
> > 
> >   (II) RADEON(0): Setting screen physical size to 508 x 285
> >   failed to add FB for modeset
> >   (WW) RADEON(0): Failed to set mode on CRTC 0
> >   (EE) RADEON(0): Failed to enable any CRTC
> > 
> > The only other difference in the Xorg.log file are
> > 
> > legacy contains
> > 
> >   (II) RADEON(0): mem size init: gart size :1fdef000 vram size: s:40000000
> >   visible:3f7d7000
> >   (II) RADEON(0): VRAM usage limit set to 928850K
> > 
> > while stable has
> > 
> >   (II) RADEON(0): mem size init: gart size :3fdde000 vram size: s:40000000
> >   visible:3f4b4000
> >   (II) RADEON(0): VRAM usage limit set to 925959K
> > 
> > Note, the system does not have an /etc/X11/Xorg.org file.
> > 
> 
> Hi!
> When using drm-legacy-kmod with drm-legacy-kmod you might need to 
> install xf86-video-ati-legacy instead of xf86-video-ati, because of 
> changes in how the kernel drivers work between versions.
> Regards

I'll try xf86-video-ati-legacy later today.  This suggests that
drm-legacy-kmod is not a direct move/replacement of the in-tree
drm2 into the ports infrastructure as I've always used 
xf86-video-ati.

-- 
Steve
20170425 https://www.youtube.com/watch?v=VWUpyCsUKR4
20161221 https://www.youtube.com/watch?v=IbCHE-hONow