[Intel-gfx] [PATCH 3/3] drm/i915: Also disable PSR on Sink when disabling it on Source.

[Rodrigo Vivi]

It is not a bad idea to disable the PSR feature on Sink
when we are disabling on the Source.

Cc: Sonika Jindal <sonika.jindal at intel.com>
Suggested-by: Sonika Jindal <sonika.jindal at intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
---
 drivers/gpu/drm/i915/intel_psr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 38ea4d0..de31162 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -527,6 +527,9 @@ void intel_psr_disable(struct intel_dp *intel_dp)
 	mutex_unlock(&dev_priv->psr.lock);
 
 	cancel_delayed_work_sync(&dev_priv->psr.work);
+
+	/* Disable PSR on Sink */
+	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, 0);
 }
 
 static void intel_psr_work(struct work_struct *work)
-- 
2.4.3