* Eric Anholt <eric@anholt.net>
*/
+#include <linux/dmi.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include "drmP.h"
if (intel_ddc_probe(&crt->base, dev_priv->crt_ddc_pin)) {
struct edid *edid;
bool is_digital = false;
+ struct i2c_adapter *i2c;
- edid = drm_get_edid(connector,
- &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
+ i2c = intel_gmbus_get_adapter(dev_priv, dev_priv->crt_ddc_pin);
+ edid = drm_get_edid(connector, i2c);
/*
* This may be a DVI-I connector with a shared DDC
* link between analog and digital outputs, so we
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
+ struct i2c_adapter *i2c;
- ret = intel_ddc_get_modes(connector,
- &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
+ i2c = intel_gmbus_get_adapter(dev_priv, dev_priv->crt_ddc_pin);
+ ret = intel_ddc_get_modes(connector, i2c);
if (ret || !IS_G4X(dev))
return ret;
/* Try to probe digital port for output in DVI-I -> VGA mode. */
- return intel_ddc_get_modes(connector,
- &dev_priv->gmbus[GMBUS_PORT_DPB].adapter);
+ i2c = intel_gmbus_get_adapter(dev_priv, GMBUS_PORT_DPB);
+ return intel_ddc_get_modes(connector, i2c);
}
static int intel_crt_set_property(struct drm_connector *connector,
.destroy = intel_encoder_destroy,
};
+static int __init intel_no_crt_dmi_callback(const struct dmi_system_id *id)
+{
+ DRM_INFO("Skipping CRT initialization for %s\n", id->ident);
+ return 1;
+}
+
+static const struct dmi_system_id intel_no_crt[] = {
+ {
+ .callback = intel_no_crt_dmi_callback,
+ .ident = "ACER ZGB",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ZGB"),
+ },
+ },
+ { }
+};
+
void intel_crt_init(struct drm_device *dev)
{
struct drm_connector *connector;
struct intel_connector *intel_connector;
struct drm_i915_private *dev_priv = dev->dev_private;
+ /* Skip machines without VGA that falsely report hotplug events */
+ if (dmi_check_system(intel_no_crt))
+ return;
+
crt = kzalloc(sizeof(struct intel_crt), GFP_KERNEL);
if (!crt)
return;
1 << INTEL_ANALOG_CLONE_BIT |
1 << INTEL_SDVO_LVDS_CLONE_BIT);
crt->base.crtc_mask = (1 << 0) | (1 << 1);
- connector->interlace_allowed = 1;
+ if (IS_GEN2(dev))
+ connector->interlace_allowed = 0;
+ else
+ connector->interlace_allowed = 1;
connector->doublescan_allowed = 0;
drm_encoder_helper_add(&crt->base.base, &intel_crt_helper_funcs);