From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Add the PSR interrupt handling code back for HSW. Looks like
the removal was never completed anyway since the irq setup
code was lest untouched.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_irq.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2b94b8ca8ec9..e1c57ba4f80a 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1781,6 +1781,20 @@ static void ivb_display_irq_handler(struct drm_i915_private *dev_priv,
if (de_iir & DE_ERR_INT_IVB)
ivb_err_int_handler(dev_priv);
+ if (de_iir & DE_EDP_PSR_INT_HSW) {
+ struct intel_encoder *encoder;
+
+ for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) {
+ struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+ u32 psr_iir;
+
+ psr_iir = intel_uncore_rmw(&dev_priv->uncore,
+ EDP_PSR_IIR, 0, 0);
+ intel_psr_irq_handler(intel_dp, psr_iir);
+ break;
+ }
+ }
+
if (de_iir & DE_AUX_CHANNEL_A_IVB)
dp_aux_irq_handler(dev_priv);
--
2.39.2
