diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2012-10-26 19:05:51 -0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-11-11 23:51:08 +0100 |
| commit | bcbc889bc44a781577479939490f6b7452d5b808 (patch) | |
| tree | dac2e6c1913448e347426555a7092c3ddf02bd97 /drivers/gpu/drm/i915/intel_ddi.c | |
| parent | 174edf1f867dc573439675f9b4c2211012d4b563 (diff) | |
drm/i915: add intel_ddi_connector_get_hw_state
We need this since now on DDI we will have 2 connectors on each
encoder.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index a8eda963f2b..58a529d9f1e 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1023,6 +1023,46 @@ void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv, I915_WRITE(reg, val); } +bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector) +{ + struct drm_device *dev = intel_connector->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_encoder *intel_encoder = intel_connector->encoder; + int type = intel_connector->base.connector_type; + enum port port = intel_ddi_get_encoder_port(intel_encoder); + enum pipe pipe = 0; + enum transcoder cpu_transcoder; + uint32_t tmp; + + if (!intel_encoder->get_hw_state(intel_encoder, &pipe)) + return false; + + if (port == PORT_A) + cpu_transcoder = TRANSCODER_EDP; + else + cpu_transcoder = pipe; + + tmp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); + + switch (tmp & TRANS_DDI_MODE_SELECT_MASK) { + case TRANS_DDI_MODE_SELECT_HDMI: + case TRANS_DDI_MODE_SELECT_DVI: + return (type == DRM_MODE_CONNECTOR_HDMIA); + + case TRANS_DDI_MODE_SELECT_DP_SST: + if (type == DRM_MODE_CONNECTOR_eDP) + return true; + case TRANS_DDI_MODE_SELECT_DP_MST: + return (type == DRM_MODE_CONNECTOR_DisplayPort); + + case TRANS_DDI_MODE_SELECT_FDI: + return (type == DRM_MODE_CONNECTOR_VGA); + + default: + return false; + } +} + bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe) { |