Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
login with gdm - falls back to x11
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
installed libnvidia-allocator1 and libnvidia-egl-gbm1
   * What was the outcome of this action?
no wayland session but x11 session
   * What outcome did you expect instead?
still have a wayland session

*** End of the template - remove these template lines ***

in this issue i found the solution:
https://gitlab.gnome.org/GNOME/mutter/-/issues/2132
created "/usr/lib/x86_64-linux-gnu/gbm" dir and inside a symlink:
nvidia-drm_gbm.so -> ../libnvidia-allocator.so.1

when I did not have libnvidia-egl-gbm1 installed I had a low FPS wayland
session.
installing libnvidia-egl-gbm1 lead to only a X11 session.
installing libnvidia-allocator1 and the symlink in /usr/lib/x86_64-linux-
gnu/gbm
lead to a high fps wayland session.
I think both libnvidia-allocator1 and libnvidia-egl-gbm1 need to be installed
together with nvidia-driver package and the symlink needs to be created by
libnvidia-allocator1

We believe that the bug you reported is fixed in the latest version of
nvidia-graphics-drivers, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1012514@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Andreas Beckmann <anbe@debian.org> (supplier of updated nvidia-graphics-drivers package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Fri, 10 Jun 2022 00:43:27 +0200
Source: nvidia-graphics-drivers
Architecture: source
Version: 510.73.08-2
Distribution: experimental
Urgency: medium
Maintainer: Debian NVIDIA Maintainers <pkg-nvidia-devel@lists.alioth.debian.org>
Changed-By: Andreas Beckmann <anbe@debian.org>
Closes: 1012514
Changes:
 nvidia-graphics-drivers (510.73.08-2) experimental; urgency=medium
 .
   * Add nvidia-drm_gbm.so symlink.  (Closes: #1012514)
   * nvidia-driver-libs: Recommend libnvidia-allocator1.
   * libnvidia-allocator1: Recommend libnvidia-egl-gbm1.
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We believe that the bug you reported is fixed in the latest version of
nvidia-graphics-drivers-tesla-510, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1012514@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Andreas Beckmann <anbe@debian.org> (supplier of updated nvidia-graphics-drivers-tesla-510 package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Fri, 10 Jun 2022 23:28:39 +0200
Source: nvidia-graphics-drivers-tesla-510
Architecture: source
Version: 510.73.08-2
Distribution: unstable
Urgency: medium
Maintainer: Debian NVIDIA Maintainers <pkg-nvidia-devel@lists.alioth.debian.org>
Changed-By: Andreas Beckmann <anbe@debian.org>
Closes: 1012514
Changes:
 nvidia-graphics-drivers-tesla-510 (510.73.08-2) unstable; urgency=medium
 .
   * Rebuild as Tesla 510 driver.
   * Upload to unstable.
 .
 nvidia-graphics-drivers (510.73.08-2) experimental; urgency=medium
 .
   * Add nvidia-drm_gbm.so symlink.  (Closes: #1012514)
   * nvidia-driver-libs: Recommend libnvidia-allocator1.
   * libnvidia-allocator1: Recommend libnvidia-egl-gbm1.
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