| Message ID | 20190528082747.3631-22-tomi.valkeinen@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/bridge: tc358767: DP support | expand |
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@ti.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> -- 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);
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);
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@ti.com> --- drivers/gpu/drm/bridge/tc358767.c | 7 +++++++ 1 file changed, 7 insertions(+)