On Wed, Apr 12, 2023 at 11:55:09AM +0200, Cyril Brulebois wrote: > Since commit 241d2fb56a18 ("of: Make OF framebuffer device names unique"), > as spotted by Frédéric Bonnard, the historical "of-display" device is > gone: the updated logic creates "of-display.0" instead, then as many > "of-display.N" as required. > > This means that offb no longer finds the expected device, which prevents > the Debian Installer from setting up its interface, at least on ppc64el. > > Given the code similarity it is likely to affect ofdrm in the same way. > > It might be better to iterate on all possible nodes, but updating the > hardcoded device from "of-display" to "of-display.0" is likely to help > as a first step. > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=217328 > Link: https://bugs.debian.org/1033058 > Fixes: 241d2fb56a18 ("of: Make OF framebuffer device names unique") > Cc: stable@xxxxxxxxxxxxxxx # v6.2+ > Signed-off-by: Cyril Brulebois <cyril@xxxxxxxxxxx> Reviewed-by: Michal Suchánek <msuchanek@xxxxxxx> > --- > drivers/gpu/drm/tiny/ofdrm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/tiny/ofdrm.c b/drivers/gpu/drm/tiny/ofdrm.c > index 6e349ca42485..92df021d71df 100644 > --- a/drivers/gpu/drm/tiny/ofdrm.c > +++ b/drivers/gpu/drm/tiny/ofdrm.c > @@ -1390,7 +1390,7 @@ MODULE_DEVICE_TABLE(of, ofdrm_of_match_display); > > static struct platform_driver ofdrm_platform_driver = { > .driver = { > - .name = "of-display", > + .name = "of-display.0", > .of_match_table = ofdrm_of_match_display, > }, > .probe = ofdrm_probe, > -- > 2.30.2 >