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Commit fb668c2f authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/kms/evergreen: get DP working 



Need to enable the VID stream after link training

Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent e2b0a8e1

drivers/gpu/drm/radeon/radeon_encoders.c

+12 −3
Original line number Diff line number Diff line
@@ -1044,16 +1044,25 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode) 
	if (is_dig) {

		switch (mode) {

		case DRM_MODE_DPMS_ON:

			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);

			{

			if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP) {

				struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);



				dp_link_train(encoder, connector);

				if (ASIC_IS_DCE4(rdev))

					atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON);

			}

			if (!ASIC_IS_DCE4(rdev))

				atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);

			break;

		case DRM_MODE_DPMS_STANDBY:

		case DRM_MODE_DPMS_SUSPEND:

		case DRM_MODE_DPMS_OFF:

			if (!ASIC_IS_DCE4(rdev))

				atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0);

			if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP) {

				if (ASIC_IS_DCE4(rdev))

					atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF);

			}

			break;

		}

	} else {