diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index cf2560708e03..7ffab1abc518 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -996,6 +996,10 @@ parse_mipi_sequence(struct drm_i915_private *dev_priv, goto err; } + /* Log about presence of sequences we won't run. */ + if (seq_id == MIPI_SEQ_TEAR_ON || seq_id == MIPI_SEQ_TEAR_OFF) + DRM_DEBUG_KMS("Unsupported sequence %u\n", seq_id); + dev_priv->vbt.dsi.sequence[seq_id] = data + index; if (sequence->version >= 3) @@ -1805,3 +1809,52 @@ intel_bios_is_port_hpd_inverted(struct drm_i915_private *dev_priv, return false; } + +/** + * intel_bios_is_lspcon_present - if LSPCON is attached on %port + * @dev_priv: i915 device instance + * @port: port to check + * + * Return true if LSPCON is present on this port + */ +bool +intel_bios_is_lspcon_present(struct drm_i915_private *dev_priv, + enum port port) +{ + int i; + + if (!HAS_LSPCON(dev_priv)) + return false; + + for (i = 0; i < dev_priv->vbt.child_dev_num; i++) { + if (!dev_priv->vbt.child_dev[i].common.lspcon) + continue; + + switch (dev_priv->vbt.child_dev[i].common.dvo_port) { + case DVO_PORT_DPA: + case DVO_PORT_HDMIA: + if (port == PORT_A) + return true; + break; + case DVO_PORT_DPB: + case DVO_PORT_HDMIB: + if (port == PORT_B) + return true; + break; + case DVO_PORT_DPC: + case DVO_PORT_HDMIC: + if (port == PORT_C) + return true; + break; + case DVO_PORT_DPD: + case DVO_PORT_HDMID: + if (port == PORT_D) + return true; + break; + default: + break; + } + } + + return false; +} |