aboutsummaryrefslogtreecommitdiffstats
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.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 29baa53aef90..3abc2000fce9 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -166,6 +166,19 @@ static void g4x_write_infoframe(struct drm_encoder *encoder,
POSTING_READ(VIDEO_DIP_CTL);
}
+static bool g4x_infoframe_enabled(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
+ u32 val = I915_READ(VIDEO_DIP_CTL);
+
+ if (VIDEO_DIP_PORT(intel_dig_port->port) == (val & VIDEO_DIP_PORT_MASK))
+ return val & VIDEO_DIP_ENABLE;
+
+ return false;
+}
+
static void ibx_write_infoframe(struct drm_encoder *encoder,
enum hdmi_infoframe_type type,
const void *frame, ssize_t len)
@@ -204,6 +217,17 @@ static void ibx_write_infoframe(struct drm_encoder *encoder,
POSTING_READ(reg);
}
+static bool ibx_infoframe_enabled(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ int reg = TVIDEO_DIP_CTL(intel_crtc->pipe);
+ u32 val = I915_READ(reg);
+
+ return val & VIDEO_DIP_ENABLE;
+}
+
static void cpt_write_infoframe(struct drm_encoder *encoder,
enum hdmi_infoframe_type type,
const void *frame, ssize_t len)
@@ -245,6 +269,17 @@ static void cpt_write_infoframe(struct drm_encoder *encoder,
POSTING_READ(reg);
}
+static bool cpt_infoframe_enabled(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ int reg = TVIDEO_DIP_CTL(intel_crtc->pipe);
+ u32 val = I915_READ(reg);
+
+ return val & VIDEO_DIP_ENABLE;
+}
+
static void vlv_write_infoframe(struct drm_encoder *encoder,
enum hdmi_infoframe_type type,
const void *frame, ssize_t len)
@@ -283,6 +318,17 @@ static void vlv_write_infoframe(struct drm_encoder *encoder,
POSTING_READ(reg);
}
+static bool vlv_infoframe_enabled(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ int reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe);
+ u32 val = I915_READ(reg);
+
+ return val & VIDEO_DIP_ENABLE;
+}
+
static void hsw_write_infoframe(struct drm_encoder *encoder,
enum hdmi_infoframe_type type,
const void *frame, ssize_t len)
@@ -320,6 +366,18 @@ static void hsw_write_infoframe(struct drm_encoder *encoder,
POSTING_READ(ctl_reg);
}
+static bool hsw_infoframe_enabled(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ u32 ctl_reg = HSW_TVIDEO_DIP_CTL(intel_crtc->config.cpu_transcoder);
+ u32 val = I915_READ(ctl_reg);
+
+ return val & (VIDEO_DIP_ENABLE_AVI_HSW | VIDEO_DIP_ENABLE_SPD_HSW |
+ VIDEO_DIP_ENABLE_VS_HSW);
+}
+
/*
* The data we write to the DIP data buffer registers is 1 byte bigger than the
* HDMI infoframe size because of an ECC/reserved byte at position 3 (starting
@@ -724,6 +782,9 @@ static void intel_hdmi_get_config(struct intel_encoder *encoder,
if (tmp & HDMI_MODE_SELECT_HDMI)
pipe_config->has_hdmi_sink = true;
+ if (intel_hdmi->infoframe_enabled(&encoder->base))
+ pipe_config->has_infoframe = true;
+
if (tmp & SDVO_AUDIO_ENABLE)
pipe_config->has_audio = true;
@@ -925,6 +986,9 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder,
pipe_config->has_hdmi_sink = intel_hdmi->has_hdmi_sink;
+ if (pipe_config->has_hdmi_sink)
+ pipe_config->has_infoframe = true;
+
if (intel_hdmi->color_range_auto) {
/* See CEA-861-E - 5.1 Default Encoding Parameters */
if (pipe_config->has_hdmi_sink &&
@@ -1397,10 +1461,13 @@ static void chv_hdmi_post_disable(struct intel_encoder *encoder)
static void chv_hdmi_pre_enable(struct intel_encoder *encoder)
{
struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+ struct intel_hdmi *intel_hdmi = &dport->hdmi;
struct drm_device *dev = encoder->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc =
to_intel_crtc(encoder->base.crtc);
+ struct drm_display_mode *adjusted_mode =
+ &intel_crtc->config.adjusted_mode;
enum dpio_channel ch = vlv_dport_to_channel(dport);
int pipe = intel_crtc->pipe;
int data, i;
@@ -1525,6 +1592,10 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder)
mutex_unlock(&dev_priv->dpio_lock);
+ intel_hdmi->set_infoframes(&encoder->base,
+ intel_crtc->config.has_hdmi_sink,
+ adjusted_mode);
+
intel_enable_hdmi(encoder);
vlv_wait_port_ready(dev_priv, dport);
@@ -1619,18 +1690,23 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
if (IS_VALLEYVIEW(dev)) {
intel_hdmi->write_infoframe = vlv_write_infoframe;
intel_hdmi->set_infoframes = vlv_set_infoframes;
+ intel_hdmi->infoframe_enabled = vlv_infoframe_enabled;
} else if (IS_G4X(dev)) {
intel_hdmi->write_infoframe = g4x_write_infoframe;
intel_hdmi->set_infoframes = g4x_set_infoframes;
+ intel_hdmi->infoframe_enabled = g4x_infoframe_enabled;
} else if (HAS_DDI(dev)) {
intel_hdmi->write_infoframe = hsw_write_infoframe;
intel_hdmi->set_infoframes = hsw_set_infoframes;
+ intel_hdmi->infoframe_enabled = hsw_infoframe_enabled;
} else if (HAS_PCH_IBX(dev)) {
intel_hdmi->write_infoframe = ibx_write_infoframe;
intel_hdmi->set_infoframes = ibx_set_infoframes;
+ intel_hdmi->infoframe_enabled = ibx_infoframe_enabled;
} else {
intel_hdmi->write_infoframe = cpt_write_infoframe;
intel_hdmi->set_infoframes = cpt_set_infoframes;
+ intel_hdmi->infoframe_enabled = cpt_infoframe_enabled;
}
if (HAS_DDI(dev))