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SubjectRe: [PATCH] drm/bridge: sn65dsi86: defer if there is no dsi host
Hi,

On Tue, Dec 7, 2021 at 12:03 PM Rob Clark <robdclark@gmail.com> wrote:
>
> From: Rob Clark <robdclark@chromium.org>
>
> Otherwise we don't get another shot at it if the bridge probes before
> the dsi host is registered. It seems like this is what *most* (but not
> all) of the other bridges do.
>
> It looks like this was missed in the conversion to attach dsi host at
> probe time.
>
> Fixes: c3b75d4734cb ("drm/bridge: sn65dsi86: Register and attach our DSI device at probe")
> Signed-off-by: Rob Clark <robdclark@chromium.org>
> ---
> drivers/gpu/drm/bridge/ti-sn65dsi86.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index 02b490671f8f..3684e12fbac3 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -716,7 +716,7 @@ static int ti_sn_attach_host(struct ti_sn65dsi86 *pdata)
> host = of_find_mipi_dsi_host_by_node(pdata->host_node);
> if (!host) {
> DRM_ERROR("failed to find dsi host\n");
> - return -ENODEV;
> + return -EPROBE_DEFER;

Can you delete the DRM_ERROR line?

Thanks!

-Doug

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