On Mon, Aug 20, 2018 at 8:15 AM Andrzej Hajda <a.hajda@xxxxxxxxxxx> wrote: > > On 15.08.2018 21:49, Sean Paul wrote: > > From: Guenter Roeck <groeck@xxxxxxxxxxxx> > > > > 0day reports: > > > >>> drivers/gpu/drm/bridge/ti-sn65dsi86.o: In function > > `ti_sn_bridge_remove': > >>> drivers/gpu/drm/bridge/ti-sn65dsi86.c:629: undefined reference to > > `mipi_dsi_detach' > >>> drivers/gpu/drm/bridge/ti-sn65dsi86.c:630: undefined reference to > > `mipi_dsi_device_unregister' > > drivers/gpu/drm/bridge/ti-sn65dsi86.o: In function > > `ti_sn_bridge_attach': > >>> drivers/gpu/drm/bridge/ti-sn65dsi86.c:249: undefined reference to > > `of_find_mipi_dsi_host_by_node' > >>> drivers/gpu/drm/bridge/ti-sn65dsi86.c:256: undefined reference to > > `mipi_dsi_device_register_full' > >>> drivers/gpu/drm/bridge/ti-sn65dsi86.c:276: undefined reference to > > `mipi_dsi_attach' > > drivers/gpu/drm/bridge/ti-sn65dsi86.c:289: undefined reference to > > `mipi_dsi_device_unregister' > > > > Quite obviously the driver depends on DRM_MIPI_DSI. > > We can not use "depends" since the driver configuration uses "select", > > Why? Because the driver otherwise uses select, as mentioned. An attempt to use "depends on" results in a circular dependency. > As mentioned in other threads: select for DSI controllers, depends on - > for DSI peripherals. Please feel free to find a better solution, preferrably one that does not result in a circular dependency. Thanks, Guenter > > Regards > Andrzej > > > so we'll have to select the missing dependency instead. > > > > Cc: Sean Paul <seanpaul@xxxxxxxxxxxx> > > Cc: Dylan Reid <dgreid@xxxxxxxxxxxx> > > Signed-off-by: Guenter Roeck <groeck@xxxxxxxxxxxx> > > --- > > > > Originally uploaded here: > > https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/1176224 > > > > > > 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 9a455c5f24f0..9eeb8ef0b174 100644 > > --- a/drivers/gpu/drm/bridge/Kconfig > > +++ b/drivers/gpu/drm/bridge/Kconfig > > @@ -142,6 +142,7 @@ config DRM_TI_SN65DSI86 > > select DRM_KMS_HELPER > > select REGMAP_I2C > > select DRM_PANEL > > + select DRM_MIPI_DSI > > help > > Texas Instruments SN65DSI86 DSI to eDP Bridge driver > > > > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel