RE: [PATCH] drm/radeon: Bail earlier when radeon.cik_/si_support=0 is passed

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> -----Original Message-----
> From: Hans de Goede <hdegoede@xxxxxxxxxx>
> Sent: Tuesday, September 10, 2019 5:36 AM
> To: Michel Dänzer <michel@xxxxxxxxxxx>; Deucher, Alexander
> <Alexander.Deucher@xxxxxxx>; Koenig, Christian
> <Christian.Koenig@xxxxxxx>; Zhou, David(ChunMing)
> <David1.Zhou@xxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>; dri-devel@xxxxxxxxxxxxxxxxxxxxx; amd-
> gfx@xxxxxxxxxxxxxxxxxxxxx; Daniel Vetter <daniel@xxxxxxxx>
> Subject: Re: [PATCH] drm/radeon: Bail earlier when
> radeon.cik_/si_support=0 is passed
> 
> Hi,
> 
> On 9/10/19 9:50 AM, Michel Dänzer wrote:
> > On 2019-09-07 10:32 p.m., Hans de Goede wrote:
> >> Bail from the pci_driver probe function instead of from the
> >> drm_driver load function.
> >>
> >> This avoid /dev/dri/card0 temporarily getting registered and then
> >> unregistered again, sending unwanted add / remove udev events to
> >> userspace.
> >>
> >> Specifically this avoids triggering the (userspace) bug fixed by this
> >> plymouth merge-request:
> >> https://gitlab.freedesktop.org/plymouth/plymouth/merge_requests/59
> >>
> >> Note that despite that being an userspace bug, not sending
> >> unnecessary udev events is a good idea in general.
> >>
> >> BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1490490
> >> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> >
> > Reviewed-by: Michel Dänzer <mdaenzer@xxxxxxxxxx>
> 
> Thank you for the review. I've drm push rights, but I guess that radeon/amd
> GPU patches are collected by someone @AMD, so I do not need to / should
> not push this myself, right?

I'll pick this up later this week when I get home from travel.

Thanks!

Alex

> 
> > amdgpu should be changed correspondingly as well.
> 
> Good point. I'm currently travelling (@plumbers) I can do this when I'm back
> home, but feel free to beat me to it (if you do please Cc me to avoid double
> work).
> 
> Regards,
> 
> Hans
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