diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_psr.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index df9b1d7baefb..863650366425 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -503,6 +503,9 @@ void intel_psr_enable(struct intel_dp *intel_dp, if (!crtc_state->has_psr) return; + if (WARN_ON(!CAN_PSR(dev_priv))) + return; + WARN_ON(dev_priv->drrs.dp); mutex_lock(&dev_priv->psr.lock); if (dev_priv->psr.enabled) { @@ -633,6 +636,9 @@ void intel_psr_disable(struct intel_dp *intel_dp, if (!old_crtc_state->has_psr) return; + if (WARN_ON(!CAN_PSR(dev_priv))) + return; + mutex_lock(&dev_priv->psr.lock); if (!dev_priv->psr.enabled) { mutex_unlock(&dev_priv->psr.lock); @@ -913,6 +919,9 @@ void intel_psr_init(struct drm_i915_private *dev_priv) dev_priv->psr_mmio_base = IS_HASWELL(dev_priv) ? HSW_EDP_PSR_BASE : BDW_EDP_PSR_BASE; + if (!dev_priv->psr.sink_support) + return; + /* Per platform default: all disabled. */ if (i915_modparams.enable_psr == -1) i915_modparams.enable_psr = 0; |