Hi Philipp.
On Mon, Aug 05, 2019 at 11:35:56AM +0200, Philipp Zabel wrote:
> On Sun, 2019-08-04 at 22:16 +0200, Sam Ravnborg wrote:
> > Replace open coded version with call to drm_panel_get_modes().
> >
> > Signed-off-by: Sam Ravnborg <s...@ravnborg.org>
> > Cc: Andrzej Hajda <a.ha...@samsung.com>
> > Cc: Neil Armstrong <narmstr...@baylibre.com>
> > Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> > Cc: Jonas Karlman <jo...@kwiboo.se>
> > Cc: Jernej Skrabec <jernej.skra...@siol.net>
> > ---
> > drivers/gpu/drm/bridge/tc358767.c | 10 ++++------
> > 1 file changed, 4 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/tc358767.c
> > b/drivers/gpu/drm/bridge/tc358767.c
> > index 42f03a985ac0..cebc8e620820 100644
> > --- a/drivers/gpu/drm/bridge/tc358767.c
> > +++ b/drivers/gpu/drm/bridge/tc358767.c
> > @@ -1312,7 +1312,7 @@ 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 count;
>
> This looks like it also fixes a potential bug ...
get_modes() return either 0 or number of modes.
The negative return values come into play in drm_panel_get_modes() when
panel for example s NULL.
I will add this to changelog before I apply to avoid any
misunderstanding.
Sam
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