drm/i915: Add HDMI support on IGDNG
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index d0983bb..d874b0c 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -56,7 +56,8 @@
sdvox = SDVO_ENCODING_HDMI |
SDVO_BORDER_ENABLE |
SDVO_VSYNC_ACTIVE_HIGH |
- SDVO_HSYNC_ACTIVE_HIGH;
+ SDVO_HSYNC_ACTIVE_HIGH |
+ SDVO_NULL_PACKETS_DURING_VSYNC;
if (hdmi_priv->has_hdmi_sink)
sdvox |= SDVO_AUDIO_ENABLE;
@@ -145,6 +146,22 @@
}
static enum drm_connector_status
+igdng_hdmi_detect(struct drm_connector *connector)
+{
+ struct intel_output *intel_output = to_intel_output(connector);
+ struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
+
+ /* FIXME hotplug detect */
+
+ hdmi_priv->has_hdmi_sink = false;
+ intel_hdmi_sink_detect(connector);
+ if (hdmi_priv->has_hdmi_sink)
+ return connector_status_connected;
+ else
+ return connector_status_disconnected;
+}
+
+static enum drm_connector_status
intel_hdmi_detect(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
@@ -153,6 +170,9 @@
struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
u32 temp, bit;
+ if (IS_IGDNG(dev))
+ return igdng_hdmi_detect(connector);
+
temp = I915_READ(PORT_HOTPLUG_EN);
switch (hdmi_priv->sdvox_reg) {
@@ -268,8 +288,17 @@
/* Set up the DDC bus. */
if (sdvox_reg == SDVOB)
intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "HDMIB");
- else
+ else if (sdvox_reg == SDVOC)
intel_output->ddc_bus = intel_i2c_create(dev, GPIOD, "HDMIC");
+ else if (sdvox_reg == HDMIB)
+ intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOE,
+ "HDMIB");
+ else if (sdvox_reg == HDMIC)
+ intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOD,
+ "HDMIC");
+ else if (sdvox_reg == HDMID)
+ intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOF,
+ "HDMID");
if (!intel_output->ddc_bus)
goto err_connector;