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.
v2: Move dpcd write inside mutex protected area as suggested by Sonika.
Cc: Sonika Jindal <sonika.jindal@intel.com>
Suggested-by: Sonika Jindal <sonika.jindal@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Sonika Jindal <sonika.jindal@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index a02dd30..b6609e6 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -524,11 +524,15 @@
return;
}
+ /* Disable PSR on Source */
if (HAS_DDI(dev))
hsw_psr_disable(intel_dp);
else
vlv_psr_disable(intel_dp);
+ /* Disable PSR on Sink */
+ drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, 0);
+
dev_priv->psr.enabled = NULL;
mutex_unlock(&dev_priv->psr.lock);