Re: [gentoo-user] Wayland and CPU load

[Michael <confabulate@kintzios.com>]

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On Friday 6 September 2024 10:45:26 BST Peter Humphrey wrote:
> On Friday 6 September 2024 10:10:47 BST Michael wrote:
> > On Friday 6 September 2024 01:33:04 BST Peter Humphrey wrote:
> > > On Friday 6 September 2024 00:21:31 BST Peter Humphrey wrote:
> > > > I think I know what it is: the kernel's list of firmware blobs is
> > > > empty.
> > > > I
> > > > don't know where they all went, but it shouldn't be too hard to find
> > > > them.
> > > 
> > > Indeed it was so. Now fixed and working fine.
> > 
> > Without all requisite firmware for your graphics the Kwin compositor will
> > fall back to software rendering.  As you've experienced without hardware
> > acceleration Kwin will eat up CPU cycles.
> > 
> > Emerging sys-kernel/linux-firmware and configuring your system to use it
> > fixes the problem by providing the necessary code for the graphics card to
> 
> > do the heavy lifting:
> Yes, I know, and I had it set up from when I acquired the machine. The
> mystery is why it was missing from my two most recent kernels.

You could have inadvertently cleaned this package from your /var/lib/portage/
world, or unmerged it for some reason.  Worth noting, dmesg would have 
complained it can't find this & that firmware.

Either way, problem solved.  :-)

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