Re: AMDGPU in current issue

Thanks for the advice!
Do you happen to have a link to the commit amdgpu is at currently?

On Wed, Sep 4, 2019 at 9:44 AM Jonathan Gray <jsg@jsg.id.au> wrote:

> Look for individual post 4.19 linux commits that are relevant.
> We have in the past taken small patches to enable more
> generations of hardware.
>
> On Wed, Sep 04, 2019 at 08:11:24AM -0500, Charlie Burnett wrote:
> > Hey,
> > I???ve been trying to write a patch to get vega 20 working, but due to a
> > screw up on my end I lost the progress I???d made. Before I start over
> again,
> > I was wondering if you had any advice on how to do it? Before, I was
> trying
> > to more or less just port the vega 20 hwmgr files in from FreeBSD drm
> next
> > which is at linux drm 5.0 as well as the other files which seemed to
> > mention Vega 20 or seemed to be needed to compile. I wasn???t having much
> > luck as you can imagine, and currently I???m still in university so my
> > experience with kernel patching isn???t fantastic, I was wondering if you
> > might have any advice where to begin if I???m having to start from
> scratch?
> > Best regards,
> > Charlie Burnett
> >
> > On Thu, Aug 1, 2019 at 11:06 PM Jonathan Gray <jsg@jsg.id.au> wrote:
> >
> > > On Fri, Aug 02, 2019 at 03:11:54AM -0500, Charlie Burnett wrote:
> > > > Hey-
> > > > I'd been messing around with the AMDGPU on current (which I'm aware
> is
> > > very
> > > > experimental) and had very few issues with it using a Vega 56 GPU. I
> > > > recently swapped to another Vega GPU (Radeon VII) and have issues
> with
> > > the
> > > > display not showing anything. Still boots fine, in that I can still
> enter
> > > > commands (i.e. reboot) so it has to be a display issue. I tried
> searching
> > > > for the diff where the firmware was added which I'm certain I saw
> (for
> > > Vega
> > > > 20) but can't seem to find it in the commit history. Anyone have a
> fix
> > > for
> > > > it, and if not, who should I talk to if I wanted to help get it
> working?
> > > I
> > > > saw most of the AMDGPU commits have been by @jonathangray if he
> would be
> > > > the best option.
> > > > Thanks!
> > >
> > > vega20 firmware was added when ports/sysutils/firmware/amdgpu was
> > > updated to 20190312.
> > >
> > > vega20 is marked as experimental in the version of drm we have, but we
> > > don't currently check the flag on probe like linux does.
> > >
> > > The following diff will prevent amdgpu from matching on devices
> > > in the amdgpu_pciidlist table with the AMD_EXP_HW_SUPPORT flag
> > > (currently these are all vega20 ids).
> > >
> > > Index: sys/dev/pci/drm/include/drm/drm_drv.h
> > > ===================================================================
> > > RCS file: /cvs/src/sys/dev/pci/drm/include/drm/drm_drv.h,v
> > > retrieving revision 1.2
> > > diff -u -p -r1.2 drm_drv.h
> > > --- sys/dev/pci/drm/include/drm/drm_drv.h 25 Jul 2019 05:48:16
> > > -0000 1.2
> > > +++ sys/dev/pci/drm/include/drm/drm_drv.h 2 Aug 2019 03:29:58
> -0000
> > > @@ -291,5 +291,7 @@ static inline bool drm_drv_uses_atomic_m
> > > int drm_dev_register(struct drm_device *, unsigned long);
> > > void drm_dev_unregister(struct drm_device *);
> > > int drm_getpciinfo(struct drm_device *, void *, struct drm_file *);
> > > +const struct drm_pcidev *drm_find_description(int, int,
> > > + const struct drm_pcidev *);
> > >
> > >