diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdmi.c | 118 |
1 files changed, 63 insertions, 55 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 0ebec69bbbfc..e02f0faecf02 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -45,17 +45,17 @@ #include "intel_audio.h" #include "intel_connector.h" #include "intel_ddi.h" +#include "intel_display_types.h" #include "intel_dp.h" #include "intel_dpio_phy.h" -#include "intel_drv.h" #include "intel_fifo_underrun.h" #include "intel_gmbus.h" #include "intel_hdcp.h" #include "intel_hdmi.h" #include "intel_hotplug.h" #include "intel_lspcon.h" -#include "intel_sdvo.h" #include "intel_panel.h" +#include "intel_sdvo.h" #include "intel_sideband.h" static struct drm_device *intel_hdmi_to_dev(struct intel_hdmi *intel_hdmi) @@ -1514,29 +1514,28 @@ bool intel_hdmi_hdcp_check_link(struct intel_digital_port *intel_dig_port) return true; } -static struct hdcp2_hdmi_msg_data { +struct hdcp2_hdmi_msg_data { u8 msg_id; u32 timeout; u32 timeout2; - } hdcp2_msg_data[] = { - {HDCP_2_2_AKE_INIT, 0, 0}, - {HDCP_2_2_AKE_SEND_CERT, HDCP_2_2_CERT_TIMEOUT_MS, 0}, - {HDCP_2_2_AKE_NO_STORED_KM, 0, 0}, - {HDCP_2_2_AKE_STORED_KM, 0, 0}, - {HDCP_2_2_AKE_SEND_HPRIME, HDCP_2_2_HPRIME_PAIRED_TIMEOUT_MS, - HDCP_2_2_HPRIME_NO_PAIRED_TIMEOUT_MS}, - {HDCP_2_2_AKE_SEND_PAIRING_INFO, HDCP_2_2_PAIRING_TIMEOUT_MS, - 0}, - {HDCP_2_2_LC_INIT, 0, 0}, - {HDCP_2_2_LC_SEND_LPRIME, HDCP_2_2_HDMI_LPRIME_TIMEOUT_MS, 0}, - {HDCP_2_2_SKE_SEND_EKS, 0, 0}, - {HDCP_2_2_REP_SEND_RECVID_LIST, - HDCP_2_2_RECVID_LIST_TIMEOUT_MS, 0}, - {HDCP_2_2_REP_SEND_ACK, 0, 0}, - {HDCP_2_2_REP_STREAM_MANAGE, 0, 0}, - {HDCP_2_2_REP_STREAM_READY, HDCP_2_2_STREAM_READY_TIMEOUT_MS, - 0}, - }; +}; + +static const struct hdcp2_hdmi_msg_data hdcp2_msg_data[] = { + { HDCP_2_2_AKE_INIT, 0, 0 }, + { HDCP_2_2_AKE_SEND_CERT, HDCP_2_2_CERT_TIMEOUT_MS, 0 }, + { HDCP_2_2_AKE_NO_STORED_KM, 0, 0 }, + { HDCP_2_2_AKE_STORED_KM, 0, 0 }, + { HDCP_2_2_AKE_SEND_HPRIME, HDCP_2_2_HPRIME_PAIRED_TIMEOUT_MS, + HDCP_2_2_HPRIME_NO_PAIRED_TIMEOUT_MS }, + { HDCP_2_2_AKE_SEND_PAIRING_INFO, HDCP_2_2_PAIRING_TIMEOUT_MS, 0 }, + { HDCP_2_2_LC_INIT, 0, 0 }, + { HDCP_2_2_LC_SEND_LPRIME, HDCP_2_2_HDMI_LPRIME_TIMEOUT_MS, 0 }, + { HDCP_2_2_SKE_SEND_EKS, 0, 0 }, + { HDCP_2_2_REP_SEND_RECVID_LIST, HDCP_2_2_RECVID_LIST_TIMEOUT_MS, 0 }, + { HDCP_2_2_REP_SEND_ACK, 0, 0 }, + { HDCP_2_2_REP_STREAM_MANAGE, 0, 0 }, + { HDCP_2_2_REP_STREAM_READY, HDCP_2_2_STREAM_READY_TIMEOUT_MS, 0 }, +}; static int intel_hdmi_hdcp2_read_rx_status(struct intel_digital_port *intel_dig_port, @@ -2930,51 +2929,34 @@ static u8 cnp_port_to_ddc_pin(struct drm_i915_private *dev_priv, static u8 icl_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port) { - u8 ddc_pin; + enum phy phy = intel_port_to_phy(dev_priv, port); - switch (port) { - case PORT_A: - ddc_pin = GMBUS_PIN_1_BXT; - break; - case PORT_B: - ddc_pin = GMBUS_PIN_2_BXT; - break; - case PORT_C: - ddc_pin = GMBUS_PIN_9_TC1_ICP; - break; - case PORT_D: - ddc_pin = GMBUS_PIN_10_TC2_ICP; - break; - case PORT_E: - ddc_pin = GMBUS_PIN_11_TC3_ICP; - break; - case PORT_F: - ddc_pin = GMBUS_PIN_12_TC4_ICP; - break; - default: - MISSING_CASE(port); - ddc_pin = GMBUS_PIN_2_BXT; - break; - } - return ddc_pin; + if (intel_phy_is_combo(dev_priv, phy)) + return GMBUS_PIN_1_BXT + port; + else if (intel_phy_is_tc(dev_priv, phy)) + return GMBUS_PIN_9_TC1_ICP + intel_port_to_tc(dev_priv, port); + + WARN(1, "Unknown port:%c\n", port_name(port)); + return GMBUS_PIN_2_BXT; } static u8 mcc_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port) { + enum phy phy = intel_port_to_phy(dev_priv, port); u8 ddc_pin; - switch (port) { - case PORT_A: + switch (phy) { + case PHY_A: ddc_pin = GMBUS_PIN_1_BXT; break; - case PORT_B: + case PHY_B: ddc_pin = GMBUS_PIN_2_BXT; break; - case PORT_C: + case PHY_C: ddc_pin = GMBUS_PIN_9_TC1_ICP; break; default: - MISSING_CASE(port); + MISSING_CASE(phy); ddc_pin = GMBUS_PIN_1_BXT; break; } @@ -3019,7 +3001,7 @@ static u8 intel_hdmi_ddc_pin(struct drm_i915_private *dev_priv, if (HAS_PCH_MCC(dev_priv)) ddc_pin = mcc_port_to_ddc_pin(dev_priv, port); - else if (HAS_PCH_ICP(dev_priv)) + else if (HAS_PCH_TGP(dev_priv) || HAS_PCH_ICP(dev_priv)) ddc_pin = icl_port_to_ddc_pin(dev_priv, port); else if (HAS_PCH_CNP(dev_priv)) ddc_pin = cnp_port_to_ddc_pin(dev_priv, port); @@ -3143,6 +3125,32 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, DRM_DEBUG_KMS("CEC notifier get failed\n"); } +static enum intel_hotplug_state +intel_hdmi_hotplug(struct intel_encoder *encoder, + struct intel_connector *connector, bool irq_received) +{ + enum intel_hotplug_state state; + + state = intel_encoder_hotplug(encoder, connector, irq_received); + + /* + * On many platforms the HDMI live state signal is known to be + * unreliable, so we can't use it to detect if a sink is connected or + * not. Instead we detect if it's connected based on whether we can + * read the EDID or not. That in turn has a problem during disconnect, + * since the HPD interrupt may be raised before the DDC lines get + * disconnected (due to how the required length of DDC vs. HPD + * connector pins are specified) and so we'll still be able to get a + * valid EDID. To solve this schedule another detection cycle if this + * time around we didn't detect any change in the sink's connection + * status. + */ + if (state == INTEL_HOTPLUG_UNCHANGED && irq_received) + state = INTEL_HOTPLUG_RETRY; + + return state; +} + void intel_hdmi_init(struct drm_i915_private *dev_priv, i915_reg_t hdmi_reg, enum port port) { @@ -3166,7 +3174,7 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv, &intel_hdmi_enc_funcs, DRM_MODE_ENCODER_TMDS, "HDMI %c", port_name(port)); - intel_encoder->hotplug = intel_encoder_hotplug; + intel_encoder->hotplug = intel_hdmi_hotplug; intel_encoder->compute_config = intel_hdmi_compute_config; if (HAS_PCH_SPLIT(dev_priv)) { intel_encoder->disable = pch_disable_hdmi; |