PSR2 only trigger interruptions for AUX error, so let's not print
useless information in debugsfs.
Also adding a comment to intel_psr_irq_handler() about that.

Cc: Rodrigo Vivi <[email protected]>
Cc: Dhinakaran Pandiyan <[email protected]>
Signed-off-by: José Roberto de Souza <[email protected]>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 2 +-
 drivers/gpu/drm/i915/intel_psr.c    | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c 
b/drivers/gpu/drm/i915/i915_debugfs.c
index 86303ba02666..505d93b31eb6 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2760,7 +2760,7 @@ static int i915_edp_psr_status(struct seq_file *m, void 
*data)
                seq_printf(m, "Performance counter: %u\n", val);
        }
 
-       if (psr->debug & I915_PSR_DEBUG_IRQ) {
+       if ((psr->debug & I915_PSR_DEBUG_IRQ) && !psr->psr2_enabled) {
                seq_printf(m, "Last attempted entry at: %lld\n",
                           psr->last_entry_attempt);
                seq_printf(m, "Last exit at: %lld\n", psr->last_exit);
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 15a2121aa64f..85349a57689c 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -203,6 +203,7 @@ void intel_psr_irq_handler(struct drm_i915_private 
*dev_priv, u32 psr_iir)
                        mask |= EDP_PSR_ERROR(shift);
                }
 
+               /* PSR2 don't trigger PRE_ENTRY and POST_EXIT interruptions */
                if (psr_iir & EDP_PSR_PRE_ENTRY(shift)) {
                        dev_priv->psr.last_entry_attempt = time_ns;
                        DRM_DEBUG_KMS("[transcoder %s] PSR entry attempt in 2 
vblanks\n",
-- 
2.19.2

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