drm/radeon/kms: also check for edid in lvds detect
In case the system has bad native mode info but valid edid. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -398,8 +398,10 @@ static int radeon_lvds_mode_valid(struct drm_connector *connector,
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static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
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{
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enum drm_connector_status ret = connector_status_disconnected;
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struct radeon_connector *radeon_connector = to_radeon_connector(connector);
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struct drm_encoder *encoder = radeon_best_single_encoder(connector);
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enum drm_connector_status ret = connector_status_disconnected;
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bool dret;
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if (encoder) {
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struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
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@ -410,6 +412,15 @@ static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connec
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ret = connector_status_connected;
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}
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/* check for edid as well */
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if (radeon_connector->ddc_bus) {
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radeon_i2c_do_lock(radeon_connector, 1);
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dret = radeon_ddc_probe(radeon_connector);
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radeon_i2c_do_lock(radeon_connector, 0);
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if (dret)
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ret = connector_status_connected;
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}
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/* check acpi lid status ??? */
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radeon_connector_update_scratch_regs(connector, ret);
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