Hello Andy, On 2/2/22 12:06, Andy Shevchenko wrote: > On Wed, Feb 02, 2022 at 09:38:51AM +0100, Javier Martinez Canillas wrote: >> On 2/1/22 21:40, Sam Ravnborg wrote: > > ... > >> Peter Robinson suggested to >> make the driver mutually exclusive and add !FB_SSD1307 in the config symbol. > > And how will distros choose "the right" option in this case? It depends on the distro. In Fedora we are disabling *all* the fbdev drivers. > What to do when I wan to see a regression and I want to change drivers w/o > recompilation? > If you want to have the two drivers without recompilation (and same compatible to match) then how would kmod / udev choose which one to load ? It becomes a race condition between the two drivers which one probes first. > NAK from me to that proposal. > What's your suggestion then to solve the issue mentioned above ? With my distro maintainer hat I don't care that much, since the fbdev drivers will be disabled. Best regards, -- Javier Martinez Canillas Linux Engineering Red Hat