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drm/i915: Add HDMI support on IGDNG 

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
hifive-unleashed-5.1
Zhenyu Wang 2009-06-05 15:38:43 +08:00 committed by Eric Anholt
parent 2c07245fb8
commit 30ad48b733
2 changed files with 47 additions and 3 deletions
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17
drivers/gpu/drm/i915/intel_display.c
View File

@ -2432,7 +2432,22 @@ static void intel_setup_outputs(struct drm_device *dev)
intel_lvds_init(dev);
if (IS_IGDNG(dev)) {
/* ignore for other outputs */
int found;
if (I915_READ(HDMIB) & PORT_DETECTED) {
/* check SDVOB */
/* found = intel_sdvo_init(dev, HDMIB); */
found = 0;
if (!found)
intel_hdmi_init(dev, HDMIB);
}
if (I915_READ(HDMIC) & PORT_DETECTED)
intel_hdmi_init(dev, HDMIC);
if (I915_READ(HDMID) & PORT_DETECTED)
intel_hdmi_init(dev, HDMID);
} else if (IS_I9XX(dev)) {
int found;
u32 reg;

33
drivers/gpu/drm/i915/intel_hdmi.c
View File

@ -56,7 +56,8 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
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;
@ -144,6 +145,22 @@ intel_hdmi_sink_detect(struct drm_connector *connector)
}
}
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)
{
@ -153,6 +170,9 @@ intel_hdmi_detect(struct drm_connector *connector)
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 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
/* 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;