Hi Arnd,
Thank you for the patch.
On Friday 26 February 2016 12:52:20 Arnd Bergmann wrote:
> The VSP1 compositor code in DRM links against the respective V4L
> driver, but the dependency is not expressed correctly in Kconfig,
> which leads to a build error when the DRM driver is built-in
> and the V4L driver is a module:
>
> drivers/gpu/built-in.o: In function `rcar_du_vsp_plane_atomic_update':
> rcar-du/rcar_du_vsp.c:183: undefined reference to `vsp1_du_atomic_update'
>
> This patch avoids the problem by ensuring that the DRM VSP code can
> only be enabled if the V4L driver is linked into the kernel, or
> both are loadable modules.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 6d62ef3ac30b ("drm: rcar-du: Expose the VSP1 compositor through KMS
> planes")
Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Dave, could you please queue this for v4.6 ?
> ---
> drivers/gpu/drm/rcar-du/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/rcar-du/Kconfig
> b/drivers/gpu/drm/rcar-du/Kconfig index 1f10fa0928b4..eb1e6d5cfed9 100644
> --- a/drivers/gpu/drm/rcar-du/Kconfig
> +++ b/drivers/gpu/drm/rcar-du/Kconfig
> @@ -27,6 +27,6 @@ config DRM_RCAR_LVDS
> config DRM_RCAR_VSP
> bool "R-Car DU VSP Compositor Support"
> depends on DRM_RCAR_DU
> - depends on VIDEO_RENESAS_VSP1
> + depends on VIDEO_RENESAS_VSP1=y || (VIDEO_RENESAS_VSP1 && DRM_RCAR_DU=m)
> help
> Enable support to expose the R-Car VSP Compositor as KMS planes.
--
Regards,
Laurent Pinchart
