On 28.05.2019 10:27, Tomi Valkeinen wrote:
> We need to know the link bandwidth to filter out modes we cannot
> support, so we need to have read the display props before doing the
> filtering.
>
> To ensure we have up to date display props, call tc_get_display_props()
> in the beginning of tc_connector_get_modes().
>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
--
Regards
Andrzej
> ---
> drivers/gpu/drm/bridge/tc358767.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
> index ffcbecf69d40..2b9d6046d76e 100644
> --- a/drivers/gpu/drm/bridge/tc358767.c
> +++ b/drivers/gpu/drm/bridge/tc358767.c
> @@ -1188,6 +1188,13 @@ static int tc_connector_get_modes(struct drm_connector *connector)
> struct tc_data *tc = connector_to_tc(connector);
> struct edid *edid;
> unsigned int count;
> + int ret;
> +
> + ret = tc_get_display_props(tc);
> + if (ret < 0) {
> + dev_err(tc->dev, "failed to read display props: %d\n", ret);
> + return 0;
> + }
>
> if (tc->panel && tc->panel->funcs && tc->panel->funcs->get_modes) {
> count = tc->panel->funcs->get_modes(tc->panel);
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