{
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 hotplug_en;
+ u32 hotplug_en, orig, stat;
+ bool ret = false;
int i, tries = 0;
if (HAS_PCH_SPLIT(dev))
tries = 2;
else
tries = 1;
- hotplug_en = I915_READ(PORT_HOTPLUG_EN);
- hotplug_en &= CRT_FORCE_HOTPLUG_MASK;
+ hotplug_en = orig = I915_READ(PORT_HOTPLUG_EN);
hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
- if (IS_G4X(dev))
- hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
-
- hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
-
for (i = 0; i < tries ; i++) {
unsigned long timeout;
/* turn on the FORCE_DETECT */
} while (time_after(timeout, jiffies));
}
- if ((I915_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) !=
- CRT_HOTPLUG_MONITOR_NONE)
- return true;
+ stat = I915_READ(PORT_HOTPLUG_STAT);
+ if ((stat & CRT_HOTPLUG_MONITOR_MASK) != CRT_HOTPLUG_MONITOR_NONE)
+ ret = true;
+
+ /* clear the interrupt we just generated, if any */
+ I915_WRITE(PORT_HOTPLUG_STAT, CRT_HOTPLUG_INT_STATUS);
+
+ /* and put the bits back */
+ I915_WRITE(PORT_HOTPLUG_EN, orig);
- return false;
+ return ret;
}
static bool intel_crt_detect_ddc(struct drm_encoder *encoder)
.best_encoder = intel_attached_encoder,
};
-static void intel_crt_enc_destroy(struct drm_encoder *encoder)
-{
- struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-
- intel_i2c_destroy(intel_encoder->ddc_bus);
- drm_encoder_cleanup(encoder);
- kfree(intel_encoder);
-}
-
static const struct drm_encoder_funcs intel_crt_enc_funcs = {
- .destroy = intel_crt_enc_destroy,
+ .destroy = intel_encoder_destroy,
};
void intel_crt_init(struct drm_device *dev)
(1 << INTEL_ANALOG_CLONE_BIT) |
(1 << INTEL_SDVO_LVDS_CLONE_BIT);
intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
- connector->interlace_allowed = 0;
+ connector->interlace_allowed = 1;
connector->doublescan_allowed = 0;
drm_encoder_helper_add(&intel_encoder->enc, &intel_crt_helper_funcs);