Hello Boris, > From: Boris Brezillon <boris.brezillon@xxxxxxxxxxx> > Sent: 19 November 2018 16:55 > Subject: Re: [PATCH v3] drm/bridge/sii902x: Add missing dependency on I2C_MUX > > Hi Fabrizio, > > On Mon, 19 Nov 2018 13:26:18 +0000 > Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx> wrote: > > > kbuild test robot reports: > > > > >> ERROR: "i2c_mux_add_adapter" [drivers/gpu/drm/bridge/sii902x.ko] > > undefined! > > >> ERROR: "i2c_mux_alloc" [drivers/gpu/drm/bridge/sii902x.ko] > > undefined! > > >> ERROR: "i2c_mux_del_adapters" [drivers/gpu/drm/bridge/sii902x.ko] > > undefined! > > > > Quite obviously the driver depends on I2C_MUX, but adding a "depends on" > > introduces a recursive dependency, therefore this patch selects I2C_MUX > > instead. > > > > Fixes: 21d808405fe4 ("drm/bridge/sii902x: Fix EDID readback") > > Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx> > > Link: https://lists.01.org/pipermail/kbuild-all/2018-November/054924.html > > I don't see the patch on the dri-devel ML, and it does not appear in > patchwork either :-/. Mmm, my email address may have been blocked somehow by the dri-devel ML, I can't think of anything else that could get in the way, as the dri-devel ML was in copy in every email. Maybe that's because I am not subscribed? I have started the subscription process, once I am subscribed I'll try and repost. Thanks, Fab > > > --- > > v2->v3: > > * Changed the title > > > > v1->v2: > > * Added "Fixes" tag > > > > drivers/gpu/drm/bridge/Kconfig | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig > > index 9eeb8ef..2fee47b 100644 > > --- a/drivers/gpu/drm/bridge/Kconfig > > +++ b/drivers/gpu/drm/bridge/Kconfig > > @@ -95,6 +95,7 @@ config DRM_SII902X > > depends on OF > > select DRM_KMS_HELPER > > select REGMAP_I2C > > +select I2C_MUX > > ---help--- > > Silicon Image sii902x bridge chip driver. > > Renesas Electronics Europe Ltd, Dukes Meadow, Millboard Road, Bourne End, Buckinghamshire, SL8 5FH, UK. Registered in England & Wales under Registered No. 04586709.