diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 98d68ab04de..f410cc03e08 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -667,8 +667,13 @@ static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder, struct drm_device *dev = encoder->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); + enum intel_display_power_domain power_domain; u32 tmp; + power_domain = intel_display_port_power_domain(encoder); + if (!intel_display_power_enabled(dev_priv, power_domain)) + return false; + tmp = I915_READ(intel_hdmi->hdmi_reg); if (!(tmp & SDVO_ENABLE)) @@ -909,11 +914,15 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) struct intel_encoder *intel_encoder = &intel_dig_port->base; struct drm_i915_private *dev_priv = dev->dev_private; struct edid *edid; + enum intel_display_power_domain power_domain; enum drm_connector_status status = connector_status_disconnected; DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.id, drm_get_connector_name(connector)); + power_domain = intel_display_port_power_domain(intel_encoder); + intel_display_power_get(dev_priv, power_domain); + intel_hdmi->has_hdmi_sink = false; intel_hdmi->has_audio = false; intel_hdmi->rgb_quant_range_selectable = false; @@ -941,31 +950,48 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) intel_encoder->type = INTEL_OUTPUT_HDMI; } + intel_display_power_put(dev_priv, power_domain); + return status; } static int intel_hdmi_get_modes(struct drm_connector *connector) { - struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); + struct intel_encoder *intel_encoder = intel_attached_encoder(connector); + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); struct drm_i915_private *dev_priv = connector->dev->dev_private; + enum intel_display_power_domain power_domain; + int ret; /* We should parse the EDID data and find out if it's an HDMI sink so * we can send audio to it. */ - return intel_ddc_get_modes(connector, + power_domain = intel_display_port_power_domain(intel_encoder); + intel_display_power_get(dev_priv, power_domain); + + ret = intel_ddc_get_modes(connector, intel_gmbus_get_adapter(dev_priv, intel_hdmi->ddc_bus)); + + intel_display_power_put(dev_priv, power_domain); + + return ret; } static bool intel_hdmi_detect_audio(struct drm_connector *connector) { - struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); + struct intel_encoder *intel_encoder = intel_attached_encoder(connector); + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); struct drm_i915_private *dev_priv = connector->dev->dev_private; + enum intel_display_power_domain power_domain; struct edid *edid; bool has_audio = false; + power_domain = intel_display_port_power_domain(intel_encoder); + intel_display_power_get(dev_priv, power_domain); + edid = drm_get_edid(connector, intel_gmbus_get_adapter(dev_priv, intel_hdmi->ddc_bus)); @@ -975,6 +1001,8 @@ intel_hdmi_detect_audio(struct drm_connector *connector) kfree(edid); } + intel_display_power_put(dev_priv, power_domain); + return has_audio; } |