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drm/radeon/kms: handle DP bridges

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Fusion hardware often has DP to VGA/LVDS/TMDS bridges to
handle non-DP encoders.  Internally we treat them mostly
like DP.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2011-05-20 04:34:22 -04:00
committed by Dave Airlie
parent 834b2904bb
commit eac4dff6d3
3 changed files with 264 additions and 182 deletions
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5
drivers/gpu/drm/radeon/radeon_encoders.c
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@ -1949,8 +1949,9 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
if (radeon_encoder->active_device &
(ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) {
if ((radeon_encoder->active_device &
(ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
radeon_encoder_is_dp_bridge(encoder)) {
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
if (dig)
dig->dig_encoder = radeon_atom_pick_dig_encoder(encoder);