On Sun, Dec 15, 2019 at 5:38 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote: > When the LCD has not been turned on by the firmware/GOP, because e.g. the > device was booted with an external monitor connected over HDMI, we should > not turn on the panel-enable GPIO when we request it. > > Turning on the panel-enable GPIO when we request it, means we turn it on > too early in the init-sequence, which causes some panels to not correctly > light up. > > This commits adds a panel_is_on parameter to intel_dsi_vbt_gpio_init() > and makes intel_dsi_vbt_gpio_init() set the initial GPIO value accordingly. > > This fixes the panel not lighting up on a Thundersoft TST168 tablet when > booted with an external monitor connected over HDMI. > > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
