fix: nvidia fixes (#292)

* fix: chromium browser use of hw accel on hybrid laptops

Fixes: #285

* fix: use default nvidia driver power management

This fixes power management on optimus laptops, specifically for Ampere+
where the specified config was preventing D3cold state.

Upstream negativo17 should be notified of this change, too.

Fix: #290

nvidia-install.sh

@@ -60,7 +60,13 @@ semodule --verbose --install /usr/share/selinux/packages/nvidia-container.pp
 # Universal Blue specific Initramfs fixes
 echo "options nvidia NVreg_TemporaryFilePath=/var/tmp" >> /usr/lib/modprobe.d/nvidia-atomic.conf
 cp /etc/modprobe.d/nvidia-modeset.conf /usr/lib/modprobe.d/nvidia-modeset.conf
+# we must force driver load to fix black screen on boot for nvidia desktops
 sed -i 's@omit_drivers@force_drivers@g' /usr/lib/dracut/dracut.conf.d/99-nvidia.conf
+# as we need forced load, also mustpre-load intel/amd iGPU else chromium web browsers fail to use hardware acceleration
+sed -i 's@ nvidia @ i915 amdgpu nvidia @g' /usr/lib/dracut/dracut.conf.d/99-nvidia.conf
+
+# delete forced power managemant to instead allow driver default (fixes ampere+ optimus D3cold state)
+sed '/^.*NVreg_DynamicPowerManagement.*/d' /usr/lib/modprobe.d/nvidia.conf
 
 if [[ "${IMAGE_NAME}" == "sericea" ]]; then
     mv /etc/sway/environment{,.orig}