diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 44fef5e1c49..7c64db48c1c 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1683,6 +1683,31 @@ g4x_dp_detect(struct intel_dp *intel_dp) return intel_dp_detect_dpcd(intel_dp); } +static struct edid * +intel_dp_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter) +{ + struct intel_dp *intel_dp = intel_attached_dp(connector); + struct edid *edid; + + ironlake_edp_panel_vdd_on(intel_dp); + edid = drm_get_edid(connector, adapter); + ironlake_edp_panel_vdd_off(intel_dp); + return edid; +} + +static int +intel_dp_get_edid_modes(struct drm_connector *connector, struct i2c_adapter *adapter) +{ + struct intel_dp *intel_dp = intel_attached_dp(connector); + int ret; + + ironlake_edp_panel_vdd_on(intel_dp); + ret = intel_ddc_get_modes(connector, adapter); + ironlake_edp_panel_vdd_off(intel_dp); + return ret; +} + + /** * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect DP connection. * @@ -1715,7 +1740,7 @@ intel_dp_detect(struct drm_connector *connector, bool force) if (intel_dp->force_audio) { intel_dp->has_audio = intel_dp->force_audio > 0; } else { - edid = drm_get_edid(connector, &intel_dp->adapter); + edid = intel_dp_get_edid(connector, &intel_dp->adapter); if (edid) { intel_dp->has_audio = drm_detect_monitor_audio(edid); connector->display_info.raw_edid = NULL; @@ -1736,7 +1761,7 @@ static int intel_dp_get_modes(struct drm_connector *connector) /* We should parse the EDID data and find out if it has an audio sink */ - ret = intel_ddc_get_modes(connector, &intel_dp->adapter); + ret = intel_dp_get_edid_modes(connector, &intel_dp->adapter); if (ret) { if (is_edp(intel_dp) && !dev_priv->panel_fixed_mode) { struct drm_display_mode *newmode; @@ -1772,7 +1797,7 @@ intel_dp_detect_audio(struct drm_connector *connector) struct edid *edid; bool has_audio = false; - edid = drm_get_edid(connector, &intel_dp->adapter); + edid = intel_dp_get_edid(connector, &intel_dp->adapter); if (edid) { has_audio = drm_detect_monitor_audio(edid); |