440.26 NVIDIA Linux beta drivers discussion

  1. VP9 hw decoding support requires libvdpau 1.3 which is yet to be included by distros.

  2. Clocks ramp down is still slow - it takes on average about ten to fifteen seconds to reach the lowest clocks. Switching to the nvidia-settings application window is enough to jump to the maximum clocks and stay there for over 50 seconds! Watch the attached clip.

  3. I2C still doesn’t work for my monitor/GPU (LG/GTX1060 connected via HDMI)

I haven’t detected any new issues.
out.zip (1.04 MB)

Haven’t tested yet. But number 1 shouldn’t be an issue once packaged.

https://launchpad.net/~graphics-drivers/+archive/ubuntu/ppa/+build/17784518

https://launchpad.net/~graphics-drivers/+archive/ubuntu/ppa/+build/17784515

https://www.archlinux.org/packages/extra/x86_64/libvdpau/

https://www.rpmfind.net/linux/rpm2html/search.php?query=libvdpau(x86-64)

Does this (from readme) mean that gdm3 and modeset=1 works now?:

Fixed a bug that could cause a blank screen on some DisplayPort monitors when logging in to GNOME, if the nvidia-drm kernel module parameter modeset=1 is specified.

The comment refers to ‘some DisplayPort’ monitors, the bug
affects every external display unless you start X as root.
(https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1714881)

libvdpau 1.3 was released on August 28th: https://lists.x.org/archives/xorg-announce/2019-August/003021.html

I don’t see a single trace of it here: https://gitlab.freedesktop.org/vdpau/libvdpau/-/releases

Weird, sorry. Still getting used to GitLab.

Looks like I had to manually add release notes to the 1.3 tag through the web UI for GitLab to make it show up in the releases page. It should be there now.

Oh yes! Thanks!

Also, Freesync via GSync seems to still be broken vs Windows with blank/black screen occurring frequently:

https://devtalk.nvidia.com/default/topic/1060716/linux/adaptive-sync-causes-the-screen-to-go-blank-when-the-refresh-rate-drops-below-a-certain-value/

https://devtalk.nvidia.com/default/topic/1059120/linux/low-frame-rate-compensation-with-adaptive-sync-fails-to-prevent-tearing-on-linux-works-fine-on-windows-10-/