diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-11-17 02:49:40 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-11-18 14:56:19 +1000 |
| commit | c7a71fc761551dc8be8543f14a90d08cda4e77f9 (patch) | |
| tree | 2df711f43dc1375ccf67698c2bfad10ae4be8349 | |
| parent | ba251bde9ab8bdce8fbd3f60dbb71b36cc4c9adf (diff) | |
drm/radeon/kms/atom: set sane defaults in atombios_get_encoder_mode()
If there was no connector mapped to the encoder, atombios_get_encoder_mode()
returned 0 which is the id for DP. Return something sane instead based on
the encoder id. This avoids hitting the DP paths on non-DP encoders.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_encoders.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index d55cb58283a..c6981dfd915 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -595,6 +595,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action) int atombios_get_encoder_mode(struct drm_encoder *encoder) { + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; struct drm_connector *connector; @@ -602,9 +603,20 @@ atombios_get_encoder_mode(struct drm_encoder *encoder) struct radeon_connector_atom_dig *dig_connector; connector = radeon_get_connector_for_encoder(encoder); - if (!connector) - return 0; - + 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; + } + } radeon_connector = to_radeon_connector(connector); switch (connector->connector_type) { |