diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2019-05-31 16:14:54 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2019-06-05 15:02:58 +0300 |
| commit | c72deaa47f453fc698f7ac2bb87fd09ad96696de (patch) | |
| tree | 4a84135615a870a612acae66ee50e231ae80e636 /drivers/gpu/drm/i915/intel_bios.c | |
| parent | cc21f01137a48919c1c5a443b341380ed3ea799a (diff) | |
drm/i915/bios: use port info child pointer to determine HPD invert
Avoid iterating the child devices.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/841c226efa424701161dd9f1793e0cf96b45a07c.1559308269.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 39 |
1 files changed, 6 insertions, 33 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 5cd4ddc8f5dd..1f34ffa96219 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -2169,49 +2169,22 @@ bool intel_bios_is_dsi_present(struct drm_i915_private *dev_priv, /** * intel_bios_is_port_hpd_inverted - is HPD inverted for %port - * @dev_priv: i915 device instance + * @i915: i915 device instance * @port: port to check * * Return true if HPD should be inverted for %port. */ bool -intel_bios_is_port_hpd_inverted(struct drm_i915_private *dev_priv, +intel_bios_is_port_hpd_inverted(const struct drm_i915_private *i915, enum port port) { - const struct child_device_config *child; - int i; + const struct child_device_config *child = + i915->vbt.ddi_port_info[port].child; - if (WARN_ON_ONCE(!IS_GEN9_LP(dev_priv))) + if (WARN_ON_ONCE(!IS_GEN9_LP(i915))) return false; - for (i = 0; i < dev_priv->vbt.child_dev_num; i++) { - child = dev_priv->vbt.child_dev + i; - - if (!child->hpd_invert) - continue; - - switch (child->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; - default: - break; - } - } - - return false; + return child && child->hpd_invert; } /** |