With nvidia proprietary linux driver 555, nvidia.NVreg_EnableGpuFirmware=0 kernel option, Wayland and KDE Plasma 6.1 I have low CPU usage (around 5-20% for one core activity for kwin_wayland) and hight frame rate (around 70-75 fps with monitor refresh rate 75 Hz) on external monitor connected to nvidia HDMI port but I have kernels panics as in case Series 550 freezes laptop - #176 by tm4ig
With nvidia open linux driver 555, Wayland and KDE Plasma 6.1 I have hight CPU usage (around 20-80% for one core with activity for kwin_wayland) and low frame rate (around 65-70 fps with monitor refresh rate 75 Hz) on external monitor connected to nvidia HDMI port but I have not kernels panics as in case Series 550 freezes laptop - #176 by tm4ig
With nvidia proprietary linux driver 555, nvidia.NVreg_EnableGpuFirmware=1 kernel option, Wayland and KDE Plasma 6.1 I have hight CPU usage (around 20-80% for one core with activity for kwin_wayland) and low frame rate (around 65-70 fps with monitor refresh rate 75 Hz) on external monitor connected to nvidia HDMI port and I have kernels panics as in case Series 550 freezes laptop - #176 by tm4ig
So on nvidia proprietary driver (full closed mode) I have best performance, but I also have kernel panics
On nvidia open driver I have low performance, but have not kernel panics
On nvidia proprietary driver with Gpu Firmware enabled (default for 555) I have low performance and I have kernels panics.
Nvidia can not fix kernel panics with hybrid graphics five months