diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hti.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hti.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hti.c b/drivers/gpu/drm/i915/display/intel_hti.c index 12a1f4ce1a77..c518efebdf77 100644 --- a/drivers/gpu/drm/i915/display/intel_hti.c +++ b/drivers/gpu/drm/i915/display/intel_hti.c @@ -21,6 +21,9 @@ void intel_hti_init(struct drm_i915_private *i915) bool intel_hti_uses_phy(struct drm_i915_private *i915, enum phy phy) { + if (drm_WARN_ON(&i915->drm, phy == PHY_NONE)) + return false; + return i915->display.hti.state & HDPORT_ENABLED && i915->display.hti.state & HDPORT_DDI_USED(phy); } |