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

Message ID 000C66961D35964B9714611E548C10AD0C319A17@BGSMSX104.gar.corp.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

sonika.jindal@intel.com Nov. 19, 2015, 4:26 a.m. UTC 
Why not move it inside the mutex_lock/unlock on psr.lock ?

Regards,
Sonika

-----Original Message-----
From: Vivi, Rodrigo 
Sent: Thursday, November 19, 2015 6:10 AM
To: intel-gfx@lists.freedesktop.org
Cc: Vivi, Rodrigo; Jindal, Sonika
Subject: [PATCH 3/3] drm/i915: Also disable PSR on Sink when disabling it on Source.

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

--
2.4.3
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Patch

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)