mirror of https://gitee.com/openkylin/linux.git
drm/radeon/kms: fix DP setup on TRAVIS bridges
Supposedly both NUTMEG and TRAVIS should use the same panel mode, but switching the panel mode for TRAVIS gets things working. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=41569 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -560,9 +560,12 @@ static void radeon_dp_set_panel_mode(struct drm_encoder *encoder,
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if (!ASIC_IS_DCE4(rdev))
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return;
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if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
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ENCODER_OBJECT_ID_NONE)
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if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) ==
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ENCODER_OBJECT_ID_NUTMEG)
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panel_mode = DP_PANEL_MODE_INTERNAL_DP1_MODE;
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else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) ==
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ENCODER_OBJECT_ID_TRAVIS)
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panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE;
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else if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
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u8 tmp = radeon_read_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_CAP);
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if (tmp & 1)
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