Hi, Nicolas:
On Mon, 2018-11-26 at 12:07 +0800, Nicolas Boichat wrote:
> Even if dsi->bridge is NULL, we still try to call drm_bridge_attach,
> and print out an error message, before creating the connector.
>
> When no bridge is provided, let's skip these 2 steps and directly
> create the connector.
Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
>
> Signed-off-by: Nicolas Boichat <drinkcat@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/mediatek/mtk_dsi.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index 66df1b17795921..27b507eb4a997d 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -818,10 +818,13 @@ static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi)
> dsi->encoder.possible_crtcs = 1;
>
> /* If there's a bridge, attach to it and let it create the connector */
> - ret = drm_bridge_attach(&dsi->encoder, dsi->bridge, NULL);
> - if (ret) {
> - DRM_ERROR("Failed to attach bridge to drm\n");
> -
> + if (dsi->bridge) {
> + ret = drm_bridge_attach(&dsi->encoder, dsi->bridge, NULL);
> + if (ret) {
> + DRM_ERROR("Failed to attach bridge to drm\n");
> + goto err_encoder_cleanup;
> + }
> + } else {
> /* Otherwise create our own connector and attach to a panel */
> ret = mtk_dsi_create_connector(drm, dsi);
> if (ret)
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