[Intel-gfx] [PATCH 8/9] drm/i915: add intel_ddi_connector_get_hw_state

[Paulo Zanoni]

From: Paulo Zanoni <paulo.r.zanoni at intel.com>

We need this since now on DDI we will have 2 connectors on each
encoder.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
---
 drivers/gpu/drm/i915/intel_ddi.c  | 40 +++++++++++++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/intel_dp.c   |  6 +++++-
 drivers/gpu/drm/i915/intel_drv.h  |  1 +
 drivers/gpu/drm/i915/intel_hdmi.c |  5 ++++-
 4 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index a8eda96..58a529d 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)
 {
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index b89d935..66bff2d 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2739,7 +2739,11 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 	intel_connector_attach_encoder(intel_connector, intel_encoder);
 	drm_sysfs_connector_add(connector);
 
-	intel_connector->get_hw_state = intel_connector_get_hw_state;
+	if (IS_HASWELL(dev))
+		intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
+	else
+		intel_connector->get_hw_state = intel_connector_get_hw_state;
+
 
 	/* Set up the DDC bus. */
 	switch (port) {
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 42f16c7..0a527729 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -652,5 +652,6 @@ extern void intel_ddi_post_disable(struct intel_encoder *intel_encoder);
 extern void intel_ddi_put_crtc_pll(struct drm_crtc *crtc);
 extern void intel_ddi_set_pipe_settings(struct drm_crtc *crtc);
 extern void intel_ddi_prepare_link_retrain(struct drm_encoder *encoder);
+bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
 
 #endif /* __INTEL_DRV_H__ */
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 3c42caa..79d15b3 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1017,7 +1017,10 @@ static void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
 		intel_hdmi->set_infoframes = cpt_set_infoframes;
 	}
 
-	intel_connector->get_hw_state = intel_connector_get_hw_state;
+	if (IS_HASWELL(dev))
+		intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;
+	else
+		intel_connector->get_hw_state = intel_connector_get_hw_state;
 
 	intel_hdmi_add_properties(intel_hdmi, connector);
 
-- 
1.7.11.4