Panels with internal backlight need to assign their backlight member directly.
Reported-by: Doug Anderson dianders@chromium.org Signed-off-by: Linus Walleij linus.walleij@linaro.org --- include/drm/drm_panel.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h index 33605c3f0eba..1e63fadf1368 100644 --- a/include/drm/drm_panel.h +++ b/include/drm/drm_panel.h @@ -144,8 +144,9 @@ struct drm_panel { * Backlight device, used to turn on backlight after the call * to enable(), and to turn off backlight before the call to * disable(). - * backlight is set by drm_panel_of_backlight() and drivers - * shall not assign it. + * External backlight is assigned by drm_panel_of_backlight() while + * panel-internal backlight is assigned directly to this member by the + * panel driver. */ struct backlight_device *backlight;