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path: root/drivers/gpu/drm/i915/intel_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c74
1 files changed, 24 insertions, 50 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 7d6bdd70532..1842290cded 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -31,6 +31,7 @@
#include "drmP.h"
#include "drm.h"
#include "drm_crtc.h"
+#include "drm_edid.h"
#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.h"
@@ -128,64 +129,28 @@ static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder,
return true;
}
-static void
-intel_hdmi_sink_detect(struct drm_connector *connector)
-{
- struct intel_output *intel_output = to_intel_output(connector);
- struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
- struct edid *edid = NULL;
-
- edid = drm_get_edid(&intel_output->base,
- &intel_output->ddc_bus->adapter);
- if (edid != NULL) {
- hdmi_priv->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
- kfree(edid);
- intel_output->base.display_info.raw_edid = NULL;
- }
-}
-
static enum drm_connector_status
intel_hdmi_detect(struct drm_connector *connector)
{
- struct drm_device *dev = connector->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_output *intel_output = to_intel_output(connector);
struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
- u32 temp, bit;
-
- temp = I915_READ(PORT_HOTPLUG_EN);
-
- switch (hdmi_priv->sdvox_reg) {
- case SDVOB:
- temp |= HDMIB_HOTPLUG_INT_EN;
- break;
- case SDVOC:
- temp |= HDMIC_HOTPLUG_INT_EN;
- break;
- default:
- return connector_status_unknown;
- }
-
- I915_WRITE(PORT_HOTPLUG_EN, temp);
+ struct edid *edid = NULL;
+ enum drm_connector_status status = connector_status_disconnected;
- POSTING_READ(PORT_HOTPLUG_EN);
+ hdmi_priv->has_hdmi_sink = false;
+ edid = drm_get_edid(&intel_output->base,
+ intel_output->ddc_bus);
- switch (hdmi_priv->sdvox_reg) {
- case SDVOB:
- bit = HDMIB_HOTPLUG_INT_STATUS;
- break;
- case SDVOC:
- bit = HDMIC_HOTPLUG_INT_STATUS;
- break;
- default:
- return connector_status_unknown;
+ if (edid) {
+ if (edid->input & DRM_EDID_INPUT_DIGITAL) {
+ status = connector_status_connected;
+ hdmi_priv->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
+ }
+ intel_output->base.display_info.raw_edid = NULL;
+ kfree(edid);
}
- if ((I915_READ(PORT_HOTPLUG_STAT) & bit) != 0) {
- intel_hdmi_sink_detect(connector);
- return connector_status_connected;
- } else
- return connector_status_disconnected;
+ return status;
}
static int intel_hdmi_get_modes(struct drm_connector *connector)
@@ -269,8 +234,17 @@ 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;