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Commit 4e633939 authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
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drm/radeon/kms: make sure eDP panel is on for modesetting 



Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 2dafb74d

drivers/gpu/drm/radeon/radeon_encoders.c

+7 −1
Original line number Diff line number Diff line
@@ -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 */