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| author |   Alex Deucher <alexdeucher@gmail.com> | 2011-05-20 04:34:21 -0400 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2011-05-20 20:02:26 +1000 |
| commit | d7fa8bb385d71c0c0c563a063a0f574adc532585 (patch) | |
| tree | ea657206f4729a8ecb57837ec0b41f0f4a49f051 /drivers/gpu/drm/radeon/radeon_encoders.c | |
| parent | drm/radeon/kms: make sure eDP panel is on for modesetting (diff) | |
| download | linux-dev-d7fa8bb385d71c0c0c563a063a0f574adc532585.tar.xz linux-dev-d7fa8bb385d71c0c0c563a063a0f574adc532585.zip | |
drm/radeon/kms: add some dp encoder/connector helper funcs
Used for dp1.2 support and for dp bridges.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_encoders.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_encoders.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index fd0087faf758..1c064e78f21a 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -250,6 +250,25 @@ struct drm_encoder *radeon_atom_get_external_encoder(struct drm_encoder *encoder return NULL; } +bool radeon_encoder_is_dp_bridge(struct drm_encoder *encoder) +{ + struct drm_encoder *other_encoder = radeon_atom_get_external_encoder(encoder); + + if (other_encoder) { + struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); + + switch (radeon_encoder->encoder_id) { + case ENCODER_OBJECT_ID_TRAVIS: + case ENCODER_OBJECT_ID_NUTMEG: + return true; + default: + return false; + } + } + + return false; +} + void radeon_panel_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *adjusted_mode) { @@ -621,6 +640,10 @@ atombios_get_encoder_mode(struct drm_encoder *encoder) struct radeon_connector *radeon_connector; struct radeon_connector_atom_dig *dig_connector; + /* dp bridges are always DP */ + if (radeon_encoder_is_dp_bridge(encoder)) + return ATOM_ENCODER_MODE_DP; + connector = radeon_get_connector_for_encoder(encoder); if (!connector) { switch (radeon_encoder->encoder_id) { |