diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig index dfd95889f4b7ae1fa89366b766727c586b875d3f..2d65d567d5d1a8dec34db87d9842e22a94f8cd9a 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 2ef31617614ab22972d9ce48acaf89724fdb6b09..1f176a71e08173de0e67e0af601ace9268bc612d 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 ""; + } +} + 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 0361130500a6f7fc0786b343c2193c1629fbb39f..cfbeee16ee4a2843f87e04306283587c7c1a7c63 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -39,6 +39,7 @@ #include #include #include +#include /** * __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 ee929f31f7db712d0f1b306571de962480758314..c21b7ddeabebeb0f208e77b8efd2d2e4d5fbafc1 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,