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-rw-r--r--drivers/gpu/drm/i915/display/intel_pps.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c
index 2ef6502703c2..80f8edb0d36d 100644
--- a/drivers/gpu/drm/i915/display/intel_pps.c
+++ b/drivers/gpu/drm/i915/display/intel_pps.c
@@ -1184,6 +1184,9 @@ static void pps_init_delays_vbt(struct intel_dp *intel_dp,
*vbt = dev_priv->vbt.edp.pps;
+ if (!pps_delays_valid(vbt))
+ return;
+
/* On Toshiba Satellite P50-C-18C system the VBT T12 delay
* of 500ms appears to be too short. Ocassionally the panel
* just fails to power back on. Increasing the delay to 800ms