On Thu, Jan 29, 2026 at 04:37:59AM +0000, Atharva Tiwari wrote: > > As discussed previously, your patch will regress older MacBook Airs > > which use SPI to access keyboard + trackpad if the set_os protocol > > is invoked: > > > > https://lore.kernel.org/all/[email protected]/ > > > > The last time this topic came up, I suggested counting the number of > > GPUs instead of using the DMI quirk. I even provided a patch but > > nobody with an eGPU bothered to test it, so the thread fizzled out: > > > > https://lore.kernel.org/all/[email protected]/ > > > > Maybe you could give it a spin and verify if it fixes the issue for you? > > I tested your patch, and well it works (you still need the 2nd patch to > avoid a blank screen), but i can see how this will fail > like for example, with the iMacPro (only has dGPU) you would need 2 eGPUs > to turn on apple-set-os.
I don't quite follow. The patch counts the number of GPUs and uses the set_os protocol if there are at least 2 of them. One dGPU + one eGPU = 2, so the protocol is used. Am I missing something? Thanks, Lukas
