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authorDave Airlie <airlied@redhat.com>2014-09-04 03:20:00 +0200
committerDave Airlie <airlied@redhat.com>2014-09-04 03:20:00 +0200
commit3aacfda0ecd9040521fbfb4a2c53cd6bf77ae4ee (patch)
tree8bfa42674ac5534c2227199d270eb28de801e9b9 /drivers/gpu
parentMerge branch 'vmwgfx-fixes-3.17' of git://people.freedesktop.org/~thomash/lin... (diff)
parentdrm/i915: Fix lock dropping in intel_tv_detect() (diff)
downloadlinux-3aacfda0ecd9040521fbfb4a2c53cd6bf77ae4ee.tar.xz
linux-3aacfda0ecd9040521fbfb4a2c53cd6bf77ae4ee.zip
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.
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c55
-rw-r--r--drivers/gpu/drm/i915/intel_tv.c10
2 files changed, 44 insertions, 21 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 67cfed6d911a..81d7681faa63 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -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;
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 32186a656816..c69d3ce1b3d6 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -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);