diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_encoders.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_encoders.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index ae58b6849a2..f678257c42e 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -1520,6 +1520,7 @@ radeon_atom_dac_detect(struct drm_encoder *encoder, struct drm_connector *connec 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)) { @@ -1531,6 +1532,13 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder) radeon_atom_output_lock(encoder, true); radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); + /* select the clock/data port if it uses a router */ + if (connector) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + if (radeon_connector->router.cd_valid) + radeon_router_select_cd_port(radeon_connector); + } + /* this is needed for the pll/ss setup to work correctly in some cases */ atombios_set_encoder_crtc_source(encoder); } @@ -1547,6 +1555,23 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder) struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig; + + /* check for pre-DCE3 cards with shared encoders; + * can't really use the links individually, so don't disable + * the encoder if it's in use by another connector + */ + if (!ASIC_IS_DCE3(rdev)) { + struct drm_encoder *other_encoder; + struct radeon_encoder *other_radeon_encoder; + + list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { + other_radeon_encoder = to_radeon_encoder(other_encoder); + if ((radeon_encoder->encoder_id == other_radeon_encoder->encoder_id) && + drm_helper_encoder_in_use(other_encoder)) + goto disable_done; + } + } + radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); switch (radeon_encoder->encoder_id) { @@ -1586,6 +1611,7 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder) break; } +disable_done: if (radeon_encoder_is_digital(encoder)) { if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) r600_hdmi_disable(encoder); |