summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_hdmi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c50
1 files changed, 45 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 0d0273e7b029..f289b8642976 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -41,6 +41,7 @@ struct intel_hdmi {
struct intel_encoder base;
u32 sdvox_reg;
int ddc_bus;
+ uint32_t color_range;
bool has_hdmi_sink;
bool has_audio;
int force_audio;
@@ -124,6 +125,7 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
u32 sdvox;
sdvox = SDVO_ENCODING_HDMI | SDVO_BORDER_ENABLE;
+ sdvox |= intel_hdmi->color_range;
if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
@@ -251,12 +253,34 @@ static int intel_hdmi_get_modes(struct drm_connector *connector)
&dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
}
+static bool
+intel_hdmi_detect_audio(struct drm_connector *connector)
+{
+ struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+ struct drm_i915_private *dev_priv = connector->dev->dev_private;
+ struct edid *edid;
+ bool has_audio = false;
+
+ edid = drm_get_edid(connector,
+ &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
+ if (edid) {
+ if (edid->input & DRM_EDID_INPUT_DIGITAL)
+ has_audio = drm_detect_monitor_audio(edid);
+
+ connector->display_info.raw_edid = NULL;
+ kfree(edid);
+ }
+
+ return has_audio;
+}
+
static int
intel_hdmi_set_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t val)
{
struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+ struct drm_i915_private *dev_priv = connector->dev->dev_private;
int ret;
ret = drm_connector_property_set_value(connector, property, val);
@@ -264,17 +288,31 @@ intel_hdmi_set_property(struct drm_connector *connector,
return ret;
if (property == intel_hdmi->force_audio_property) {
- if (val == intel_hdmi->force_audio)
+ int i = val;
+ bool has_audio;
+
+ if (i == intel_hdmi->force_audio)
return 0;
- intel_hdmi->force_audio = val;
+ intel_hdmi->force_audio = i;
+
+ if (i == 0)
+ has_audio = intel_hdmi_detect_audio(connector);
+ else
+ has_audio = i > 0;
- if (val > 0 && intel_hdmi->has_audio)
+ if (has_audio == intel_hdmi->has_audio)
return 0;
- if (val < 0 && !intel_hdmi->has_audio)
+
+ intel_hdmi->has_audio = has_audio;
+ goto done;
+ }
+
+ if (property == dev_priv->broadcast_rgb_property) {
+ if (val == !!intel_hdmi->color_range)
return 0;
- intel_hdmi->has_audio = val > 0;
+ intel_hdmi->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
goto done;
}
@@ -336,6 +374,8 @@ intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *c
intel_hdmi->force_audio_property->values[1] = 1;
drm_connector_attach_property(connector, intel_hdmi->force_audio_property, 0);
}
+
+ intel_attach_broadcast_rgb_property(connector);
}
void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)