[PATCH 4.9 095/120] drm/panel: simple: Check against num_timings when setting preferred for timing

[Greg Kroah-Hartman]

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chen-Yu Tsai <wens@xxxxxxxx>

commit 230c5b44233ff0543c0b5ccf4ff9400057010fbe upstream.

In the loop on .timings, we should check .num_timings to see if it's the
only mode specified, not .num_modes, which should be used with .modes.

Fixes: cda553725c92 ("drm/panel: simple: Set appropriate mode type")
Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/gpu/drm/panel/panel-simple.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -120,7 +120,7 @@ static int panel_simple_get_fixed_modes(
 
 		mode->type |= DRM_MODE_TYPE_DRIVER;
 
-		if (panel->desc->num_modes == 1)
+		if (panel->desc->num_timings == 1)
 			mode->type |= DRM_MODE_TYPE_PREFERRED;
 
 		drm_mode_probed_add(connector, mode);