From: Puthikorn Voravootivat Date: Thu, 11 May 2017 23:02:23 +0000 (-0700) Subject: drm/i915: Restore brightness level in aux backlight driver X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2630addf6b1e7beb21a5e8ec04562cae2e5d9567;p=linux.git drm/i915: Restore brightness level in aux backlight driver Some panel will default to zero brightness when turning the panel off and on again. This patch restores last brightness level back when panel is turning back on. Signed-off-by: Puthikorn Voravootivat Reviewed-by: Dhinakaran Pandiyan Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/20170511230225.142870-8-puthik@chromium.org --- diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c index 5f945e05efe26..b87c5a381d6af 100644 --- a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c @@ -127,6 +127,7 @@ static void intel_dp_aux_enable_backlight(struct intel_connector *connector) } set_aux_backlight_enable(intel_dp, true); + intel_dp_aux_set_backlight(connector, connector->panel.backlight.level); } static void intel_dp_aux_disable_backlight(struct intel_connector *connector)