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Commit 3aacfda0 authored by Dave Airlie's avatar Dave Airlie
Browse files

Merge tag 'drm-intel-fixes-2014-09-03' of git://anongit.freedesktop.org/drm-intel into drm-fixes 

here's a couple of display regression fixes for 3.17.

* tag 'drm-intel-fixes-2014-09-03' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Fix lock dropping in intel_tv_detect()
  drm/i915: handle G45/GM45 pulse detection connected state.
parents 0977f906 bbfb44e8

drivers/gpu/drm/i915/intel_dp.c

+37 −18
Original line number Diff line number Diff line
@@ -3661,24 +3661,12 @@ ironlake_dp_detect(struct intel_dp *intel_dp) 
	return intel_dp_detect_dpcd(intel_dp);

}



static enum drm_connector_status

g4x_dp_detect(struct intel_dp *intel_dp)

static int g4x_digital_port_connected(struct drm_device *dev,

				       struct intel_digital_port *intel_dig_port)

{

	struct drm_device *dev = intel_dp_to_dev(intel_dp);

	struct drm_i915_private *dev_priv = dev->dev_private;

	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);

	uint32_t bit;



	/* Can't disconnect eDP, but you can close the lid... */

	if (is_edp(intel_dp)) {

		enum drm_connector_status status;



		status = intel_panel_detect(dev);

		if (status == connector_status_unknown)

			status = connector_status_connected;

		return status;

	}



	if (IS_VALLEYVIEW(dev)) {

		switch (intel_dig_port->port) {

		case PORT_B:
@@ -3691,7 +3679,7 @@ g4x_dp_detect(struct intel_dp *intel_dp) 
			bit = PORTD_HOTPLUG_LIVE_STATUS_VLV;

			break;

		default:

			return connector_status_unknown;

			return -EINVAL;

		}

	} else {

		switch (intel_dig_port->port) {
@@ -3705,11 +3693,36 @@ g4x_dp_detect(struct intel_dp *intel_dp) 
			bit = PORTD_HOTPLUG_LIVE_STATUS_G4X;

			break;

		default:

			return connector_status_unknown;

			return -EINVAL;

		}

	}



	if ((I915_READ(PORT_HOTPLUG_STAT) & bit) == 0)

		return 0;

	return 1;

}



static enum drm_connector_status

g4x_dp_detect(struct intel_dp *intel_dp)

{

	struct drm_device *dev = intel_dp_to_dev(intel_dp);

	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);

	int ret;



	/* Can't disconnect eDP, but you can close the lid... */

	if (is_edp(intel_dp)) {

		enum drm_connector_status status;



		status = intel_panel_detect(dev);

		if (status == connector_status_unknown)

			status = connector_status_connected;

		return status;

	}



	ret = g4x_digital_port_connected(dev, intel_dig_port);

	if (ret == -EINVAL)

		return connector_status_unknown;

	else if (ret == 0)

		return connector_status_disconnected;



	return intel_dp_detect_dpcd(intel_dp);
@@ -4066,8 +4079,14 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd) 
	intel_display_power_get(dev_priv, power_domain);



	if (long_hpd) {



		if (HAS_PCH_SPLIT(dev)) {

			if (!ibx_digital_port_connected(dev_priv, intel_dig_port))

				goto mst_fail;

		} else {

			if (g4x_digital_port_connected(dev, intel_dig_port) != 1)

				goto mst_fail;

		}



		if (!intel_dp_get_dpcd(intel_dp)) {

			goto mst_fail;

drivers/gpu/drm/i915/intel_tv.c

+7 −3
Original line number Diff line number Diff line
@@ -1311,6 +1311,7 @@ intel_tv_detect(struct drm_connector *connector, bool force) 
{

	struct drm_display_mode mode;

	struct intel_tv *intel_tv = intel_attached_tv(connector);

	enum drm_connector_status status;

	int type;



	DRM_DEBUG_KMS("[CONNECTOR:%d:%s] force=%d\n",
@@ -1328,16 +1329,19 @@ intel_tv_detect(struct drm_connector *connector, bool force) 
		if (intel_get_load_detect_pipe(connector, &mode, &tmp, &ctx)) {

			type = intel_tv_detect_type(intel_tv, connector);

			intel_release_load_detect_pipe(connector, &tmp);

			status = type < 0 ?

				connector_status_disconnected :

				connector_status_connected;

		} else

			return connector_status_unknown;

			status = connector_status_unknown;



		drm_modeset_drop_locks(&ctx);

		drm_modeset_acquire_fini(&ctx);

	} else

		return connector->status;



	if (type < 0)

		return connector_status_disconnected;

	if (status != connector_status_connected)

		return status;



	intel_tv->type = type;

	intel_tv_find_better_format(connector);