From 4e633939fe39a98824a0c590a6c1e30559071100 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 20 May 2011 04:34:20 -0400 Subject: [PATCH] drm/radeon/kms: make sure eDP panel is on for modesetting Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_encoders.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index cdac73975f6e..fd0087faf758 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -1936,11 +1936,17 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder) radeon_atom_output_lock(encoder, true); radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); - /* select the clock/data port if it uses a router */ if (connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); + + /* select the clock/data port if it uses a router */ if (radeon_connector->router.cd_valid) radeon_router_select_cd_port(radeon_connector); + + /* turn eDP panel on for mode set */ + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) + atombios_set_edp_panel_power(connector, + ATOM_TRANSMITTER_ACTION_POWER_ON); } /* this is needed for the pll/ss setup to work correctly in some cases */