Signed-off-by: Alex Deucher <alexdeucher@xxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_encoders.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index cdac739..fd0087f 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 */
--
1.7.1.1
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