Based on vbt entry enabling i915 driver to act on
hpd support during suspend.
Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_bios.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 9c406b0..8ed084a 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -529,6 +529,13 @@ parse_driver_features(struct drm_i915_private *dev_priv,
if (driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
dev_priv->vbt.edp.support = 1;
+ if (driver->hpd_wakeup_source) {
+ dev_priv->vbt.hpd_wakeup_enabled =
+ ENABLE_HOT_PLUG_AS_WAKE_EVENT;
+ DRM_DEBUG_KMS("HPD as wakeup feature is enabled\n");
+ } else
+ DRM_DEBUG_KMS("HPD wakeup source feature is disabled in VBT\n");
+
DRM_DEBUG_KMS("DRRS State Enabled:%d\n", driver->drrs_enabled);
/*
* If DRRS is not supported, drrs_type has to be set to 0.
--
2.0.2
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