Hi Yue,
Thank you for the patch.
On Mon, Jul 29, 2019 at 05:05:20PM +0800, YueHaibing wrote:
> If CONFIG_DRM_TOSHIBA_TC358764=y but CONFIG_DRM_KMS_HELPER=m,
> building fails:
>
> drivers/gpu/drm/bridge/tc358764.o:(.rodata+0x228): undefined reference to
> `drm_atomic_helper_connector_reset'
> drivers/gpu/drm/bridge/tc358764.o:(.rodata+0x240): undefined reference to
> `drm_helper_probe_single_connector_modes'
> drivers/gpu/drm/bridge/tc358764.o:(.rodata+0x268): undefined reference to
> `drm_atomic_helper_connector_duplicate_state'
> drivers/gpu/drm/bridge/tc358764.o:(.rodata+0x270): undefined reference to
> `drm_atomic_helper_connector_destroy_state'
>
> Like TC358767, select DRM_KMS_HELPER to fix this, and
> change to select DRM_PANEL to avoid recursive dependency.
>
> Reported-by: Hulk Robot <hul...@huawei.com>
> Fixes: f38b7cca6d0e ("drm/bridge: tc358764: Add DSI to LVDS bridge driver")
> Signed-off-by: YueHaibing <yuehaib...@huawei.com>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> ---
> drivers/gpu/drm/bridge/Kconfig | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
> index a6eec90..323f72d 100644
> --- a/drivers/gpu/drm/bridge/Kconfig
> +++ b/drivers/gpu/drm/bridge/Kconfig
> @@ -116,9 +116,10 @@ config DRM_THINE_THC63LVD1024
>
> config DRM_TOSHIBA_TC358764
> tristate "TC358764 DSI/LVDS bridge"
> - depends on DRM && DRM_PANEL
> depends on OF
> select DRM_MIPI_DSI
> + select DRM_KMS_HELPER
> + select DRM_PANEL
> help
> Toshiba TC358764 DSI/LVDS bridge driver.
>
--
Regards,
Laurent Pinchart
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