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-rw-r--r--drivers/gpu/drm/i915/Kconfig1
-rw-r--r--drivers/gpu/drm/i915/intel_display.h24
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h2
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c13
4 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
index dfd95889f4b7..2d65d567d5d1 100644
--- a/drivers/gpu/drm/i915/Kconfig
+++ b/drivers/gpu/drm/i915/Kconfig
@@ -23,6 +23,7 @@ config DRM_I915
select SYNC_FILE
select IOSF_MBI
select CRC32
+ select CEC_CORE if CEC_NOTIFIER
help
Choose this option if you have a system that has "Intel Graphics
Media Accelerator" or "HD Graphics" integrated graphics,
diff --git a/drivers/gpu/drm/i915/intel_display.h b/drivers/gpu/drm/i915/intel_display.h
index 2ef31617614a..1f176a71e081 100644
--- a/drivers/gpu/drm/i915/intel_display.h
+++ b/drivers/gpu/drm/i915/intel_display.h
@@ -126,6 +126,30 @@ enum port {
#define port_name(p) ((p) + 'A')
+/*
+ * Ports identifier referenced from other drivers.
+ * Expected to remain stable over time
+ */
+static inline const char *port_identifier(enum port port)
+{
+ switch (port) {
+ case PORT_A:
+ return "Port A";
+ case PORT_B:
+ return "Port B";
+ case PORT_C:
+ return "Port C";
+ case PORT_D:
+ return "Port D";
+ case PORT_E:
+ return "Port E";
+ case PORT_F:
+ return "Port F";
+ default:
+ return "<invalid>";
+ }
+}
+
enum dpio_channel {
DPIO_CH0,
DPIO_CH1
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 0361130500a6..cfbeee16ee4a 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -39,6 +39,7 @@
#include <drm/drm_dp_mst_helper.h>
#include <drm/drm_rect.h>
#include <drm/drm_atomic.h>
+#include <media/cec-notifier.h>
/**
* __wait_for - magic wait macro
@@ -1017,6 +1018,7 @@ struct intel_hdmi {
bool has_audio;
bool rgb_quant_range_selectable;
struct intel_connector *attached_connector;
+ struct cec_notifier *cec_notifier;
};
struct intel_dp_mst_encoder;
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index ee929f31f7db..c21b7ddeabeb 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1868,6 +1868,8 @@ intel_hdmi_set_edid(struct drm_connector *connector)
connected = true;
}
+ cec_notifier_set_phys_addr_from_edid(intel_hdmi->cec_notifier, edid);
+
return connected;
}
@@ -1876,6 +1878,7 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
{
enum drm_connector_status status;
struct drm_i915_private *dev_priv = to_i915(connector->dev);
+ struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
connector->base.id, connector->name);
@@ -1891,6 +1894,9 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS);
+ if (status != connector_status_connected)
+ cec_notifier_phys_addr_invalidate(intel_hdmi->cec_notifier);
+
return status;
}
@@ -2031,6 +2037,8 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder,
static void intel_hdmi_destroy(struct drm_connector *connector)
{
+ if (intel_attached_hdmi(connector)->cec_notifier)
+ cec_notifier_put(intel_attached_hdmi(connector)->cec_notifier);
kfree(to_intel_connector(connector)->detect_edid);
drm_connector_cleanup(connector);
kfree(connector);
@@ -2350,6 +2358,11 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
u32 temp = I915_READ(PEG_BAND_GAP_DATA);
I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd);
}
+
+ intel_hdmi->cec_notifier = cec_notifier_get_conn(dev->dev,
+ port_identifier(port));
+ if (!intel_hdmi->cec_notifier)
+ DRM_DEBUG_KMS("CEC notifier get failed\n");
}
void intel_hdmi_init(struct drm_i915_private *dev_priv,