diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_opregion.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_opregion.c b/drivers/gpu/drm/i915/display/intel_opregion.c index e540e5b9073b..ce3d44cc2461 100644 --- a/drivers/gpu/drm/i915/display/intel_opregion.c +++ b/drivers/gpu/drm/i915/display/intel_opregion.c @@ -358,11 +358,17 @@ int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, u32 parm = 0; u32 type = 0; u32 port; + int ret; /* don't care about old stuff for now */ if (!HAS_DDI(dev_priv)) return 0; + /* Avoid port out of bounds checks if SWSCI isn't there. */ + ret = check_swsci_function(dev_priv, SWSCI_SBCB_DISPLAY_POWER_STATE); + if (ret) + return ret; + if (intel_encoder->type == INTEL_OUTPUT_DSI) port = 0; else |