drm/nouveau/kms/nv50-: Report possible_crtcs incorrectly on mstos, for now

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This commit is seperate from the previous one to make it easier to
revert in the future. Basically, while working on making MSTOs per-head
as opposed to per-head-per-connector I discovered these lovely issues:

https://gitlab.freedesktop.org/xorg/xserver/merge_requests/277
https://gitlab.gnome.org/GNOME/mutter/issues/759

Note as well that Intel already has a temporary workaround for this in
their kernel driver. So, unfortunately we need to follow suit to avoid
causing a regression in userspace. Once these issues get fixed, this
commit should be reverted.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

...

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Lyude Paul 2019-09-13 18:03:53 -04:00 • committed by Ben Skeggs

parent 5ff0cb1ce2

commit 481404957a

1 changed files with 12 additions and 0 deletions

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drivers/gpu/drm/nouveau/dispnv50/disp.c

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