Re: [PATCH -next] drm: bridge: fix LONTIUM use of mipi_dsi_() functions

From: Robert Foss
Date: Fri Apr 16 2021 - 05:14:29 EST


Merged for 5.13 in drm-misc-next-fixes

On Thu, 15 Apr 2021 at 21:36, Adrien Grassein <adrien.grassein@xxxxxxxxx> wrote:
>
> Reviewed-by: Adren Grassein <adrien.grassein@xxxxxxxxx>
>
> Le jeu. 15 avr. 2021 à 20:36, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> a écrit :
> >
> > The Lontium DRM bridge drivers use mipi_dsi_() function interfaces so
> > they need to select DRM_MIPI_DSI to prevent build errors.
> >
> > ERROR: modpost: "mipi_dsi_attach" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
> > ERROR: modpost: "mipi_dsi_device_register_full" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
> > ERROR: modpost: "of_find_mipi_dsi_host_by_node" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
> > ERROR: modpost: "mipi_dsi_device_unregister" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
> > ERROR: modpost: "mipi_dsi_detach" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
> > ERROR: modpost: "mipi_dsi_attach" [drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
> > ERROR: modpost: "mipi_dsi_device_register_full" [drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
> > ERROR: modpost: "of_find_mipi_dsi_host_by_node" [drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
> > ERROR: modpost: "mipi_dsi_device_unregister" [drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
> > ERROR: modpost: "mipi_dsi_detach" [drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
> > WARNING: modpost: suppressed 5 unresolved symbol warnings because there were too many)
> >
> > Fixes: 23278bf54afe ("drm/bridge: Introduce LT9611 DSI to HDMI bridge")
> > Fixes: 0cbbd5b1a012 ("drm: bridge: add support for lontium LT9611UXC bridge")
> > Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
> > Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > Cc: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> > Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
> > Cc: Vinod Koul <vkoul@xxxxxxxxxx>
> > Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> > Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> > Cc: Adrien Grassein <adrien.grassein@xxxxxxxxx>
> > Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> > Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> > Cc: Robert Foss <robert.foss@xxxxxxxxxx>
> > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> > Cc: stable@xxxxxxxxxxxxxxx
> > ---
> > drivers/gpu/drm/bridge/Kconfig | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > --- linux-next-20210414.orig/drivers/gpu/drm/bridge/Kconfig
> > +++ linux-next-20210414/drivers/gpu/drm/bridge/Kconfig
> > @@ -66,6 +66,7 @@ config DRM_LONTIUM_LT8912B
> > depends on OF
> > select DRM_PANEL_BRIDGE
> > select DRM_KMS_HELPER
> > + select DRM_MIPI_DSI
> > select REGMAP_I2C
> > help
> > Driver for Lontium LT8912B DSI to HDMI bridge
> > @@ -81,6 +82,7 @@ config DRM_LONTIUM_LT9611
> > depends on OF
> > select DRM_PANEL_BRIDGE
> > select DRM_KMS_HELPER
> > + select DRM_MIPI_DSI
> > select REGMAP_I2C
> > help
> > Driver for Lontium LT9611 DSI to HDMI bridge
> > @@ -94,6 +96,7 @@ config DRM_LONTIUM_LT9611UXC
> > depends on OF
> > select DRM_PANEL_BRIDGE
> > select DRM_KMS_HELPER
> > + select DRM_MIPI_DSI
> > select REGMAP_I2C
> > help
> > Driver for Lontium LT9611UXC DSI to HDMI bridge