Re: drm confusion / xorg / AMD RX580 GPU

From: Johannes Dieterich <dieterich.joh_at_gmail.com>
Date: Mon, 8 Oct 2018 18:56:32 +0000


On Monday, October 8, 2018, tech lists wrote:
> Hi,
> 
> On 08/10/2018 14:06, Warner Losh wrote:
> > You need "/boot/kernel/amdgpu.ko" here
> > 
> > Warner
> 
> The instructions in pkg-message (at the time, haven't updated ports in a
> day or so) contradict this:
> 
> $ cd /usr/ports/graphics/drm-next-kmod/
> $ ls
> Makefile        distinfo        pkg-descr       pkg-message
> pkg-plist       work
> $ less pkg-message
> 
> [snip]
> The drm-next-kmod port can be enabled for amdgpu (for AMD GPUs starting
> with the HD7000 series / Tahiti) or i915kms (for Intel APUs starting
> with HD3000 / Sandy Bridge) through kld_list in /etc/rc.conf. radeonkms
> for older AMD GPUs can be loaded and there are some positive reports if
> EFI boot is NOT enabled (similar to amdgpu).
> 
> For amdgpu: kld_list="amdgpu"
> For Intel: kld_list="/boot/modules/i915kms.ko"
> For radeonkms: kld_list="/boot/modules/radeonkms.ko"
> 
> Please ensure that all users requiring graphics are members of the
> "video" group.
> 
> Older generations are supported by the stable kms modules (radeonkms /
> i915kms) in base.
> [/snip]
> 
> svnlite info shows /usr/ports at r481442. Shall I make bug report?
No. Both ways work and as your earlier kldstat clearly shows the amdgpu kernel driver is correctly loaded alongside it's firmware files and your problem likely resides with the X11 DDX.

Johannes
 
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Received on Mon Oct 08 2018 - 16:56:36 UTC

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