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drm/i915/psr: Restore PSR interrupt handler for HSW

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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@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-8-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
This commit is contained in:
Ville Syrjälä 2023-06-09 17:13:58 +03:00
parent 52b9c1ff2d
commit e8b883c123
1 changed files with 14 additions and 0 deletions
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14
drivers/gpu/drm/i915/display/intel_display_irq.c
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@ -749,6 +749,20 @@ void ivb_display_irq_handler(struct drm_i915_private *dev_priv, u32 de_iir)
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)
intel_dp_aux_irq_handler(dev_priv);