diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 12e4fd18076d..7ce1c3c2f0f1 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -590,7 +590,7 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port]; uint8_t hdmi_level_shift; int i, j; - bool is_dvi, is_dp; + bool is_dvi, is_hdmi, is_dp, is_edp, is_crt; uint8_t aux_channel; /* Each DDI port can have more than one value on the "DVO Port" field, * so look for all the possible values for each port and abort if more @@ -628,6 +628,28 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, is_dvi = child->common.device_type & (1 << 4); is_dp = child->common.device_type & (1 << 2); + is_crt = child->common.device_type & (1 << 0); + is_hdmi = is_dvi && (child->common.device_type & (1 << 11)) == 0; + is_edp = is_dp && (child->common.device_type & (1 << 12)); + + DRM_DEBUG_KMS("Port %c VBT info: DP:%d HDMI:%d DVI:%d EDP:%d CRT:%d\n", + port_name(port), is_dp, is_hdmi, is_dvi, is_edp, is_crt); + + if (is_edp && is_dvi) + DRM_DEBUG_KMS("Internal DP port %c is TMDS compatible\n", + port_name(port)); + if (is_crt && port != PORT_E) + DRM_DEBUG_KMS("Port %c is analog\n", port_name(port)); + if (is_crt && (is_dvi || is_dp)) + DRM_DEBUG_KMS("Analog port %c is also DP or TMDS compatible\n", + port_name(port)); + if (is_dvi && (port == PORT_A || port == PORT_E)) + DRM_DEBUG_KMS("Port %c is TMDS compabile\n", port_name(port)); + if (!is_dvi && !is_dp && !is_crt) + DRM_DEBUG_KMS("Port %c is not DP/TMDS/CRT compatible\n", + port_name(port)); + if (is_edp && (port == PORT_B || port == PORT_C || port == PORT_E)) + DRM_DEBUG_KMS("Port %c is internal DP\n", port_name(port)); if (is_dvi) { if (child->common.ddc_pin == 0x05 && port != PORT_B) |