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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.
hifive-unleashed-5.1
Dave Airlie 2014-09-04 11:20:00 +10:00
parent 0977f90679 bbfb44e8b6
commit 3aacfda0ec
2 changed files with 44 additions and 21 deletions
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55
drivers/gpu/drm/i915/intel_dp.c
View File

@ -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 (!ibx_digital_port_connected(dev_priv, intel_dig_port))
goto mst_fail;
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;

10
drivers/gpu/drm/i915/intel_tv.c
View File

@ -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);