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drm/radeon/kms: rework atombios_get_encoder_mode()

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This should give us more reliable results if the table
is called before an active device is set.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-06-13 17:13:31 -04:00 committed by Dave Airlie
parent ba7e05e958
commit fbb8777365
1 changed files with 9 additions and 14 deletions
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23
drivers/gpu/drm/radeon/radeon_encoders.c
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@ -660,21 +660,16 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
if (radeon_encoder_is_dp_bridge(encoder))
return ATOM_ENCODER_MODE_DP;
/* DVO is always DVO */
if (radeon_encoder->encoder_id == ATOM_ENCODER_MODE_DVO)
return ATOM_ENCODER_MODE_DVO;
connector = radeon_get_connector_for_encoder(encoder);
if (!connector) {
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
return ATOM_ENCODER_MODE_DVI;
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
default:
return ATOM_ENCODER_MODE_CRT;
}
}
/* if we don't have an active device yet, just use one of
* the connectors tied to the encoder.
*/
if (!connector)
connector = radeon_get_connector_for_encoder_init(encoder);
radeon_connector = to_radeon_connector(connector);
switch (connector->connector_type) {