[Intel-gfx] [PATCH] drm/i915/display/psr: Add sink not reliable check to intel_psr_work()

[Gwan-gyeong Mun]

If the sink state is not reliable, it does not need to wait for
PSR "IDLE state" for re-enabling PSR. And it should not try to re-enable
PSR.

Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun at intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index cd434285e3b7..7f555407de06 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1686,6 +1686,9 @@ static void intel_psr_work(struct work_struct *work)
 	if (READ_ONCE(intel_dp->psr.irq_aux_error))
 		intel_psr_handle_irq(intel_dp);
 
+	if (intel_dp->psr.sink_not_reliable)
+		goto unlock;
+
 	/*
 	 * We have to make sure PSR is ready for re-enable
 	 * otherwise it keeps disabled until next full enable/disable cycle.
-- 
2.30.1