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| author | Alex Deucher <alexdeucher@gmail.com> | 2011-06-13 23:13:34 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-06-17 01:28:03 +0200 |
| commit | 591a10e16c2a43f6f2ea5f307ab2a5afecfb9ed9 (patch) | |
| tree | f4d86a8693ccb2f799598a86370e7d6346768e50 /drivers/gpu/drm/radeon/radeon_encoders.c | |
| parent | drm/radeon/kms: add support for load detection on dp bridges (diff) | |
| download | linux-591a10e16c2a43f6f2ea5f307ab2a5afecfb9ed9.tar.xz linux-591a10e16c2a43f6f2ea5f307ab2a5afecfb9ed9.zip | |
drm/radeon/kms: fix support for DDC on dp bridges
Need to set up the bridge for DDC prior to the
i2c over aux transaction.
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 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index d3449443aa1f..8e058f1f46d6 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -2046,6 +2046,18 @@ radeon_atom_dig_detect(struct drm_encoder *encoder, struct drm_connector *connec return connector_status_disconnected; } +void +radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder) +{ + struct drm_encoder *ext_encoder = radeon_atom_get_external_encoder(encoder); + + if (ext_encoder) + /* ddc_setup on the dp bridge */ + atombios_external_encoder_setup(encoder, ext_encoder, + EXTERNAL_ENCODER_ACTION_V3_DDC_SETUP); + +} + static void radeon_atom_encoder_prepare(struct drm_encoder *encoder) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |