With PSR enabled being pre computed on pipe_config we can now
prevent DRRS to be enabled along with PSR.

v2: Rebase after changing previous patch

v3: Fix commit subject. No change in the already reviewed patch.

Signed-off-by: Rodrigo Vivi <rodrigo.v...@intel.com>
Reviewed-by: Ramalingam C <ramalinga...@intel.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index e1c3e9a..6ab127c 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -5248,11 +5248,6 @@ static void intel_dp_set_drrs_state(struct drm_device 
*dev, int refresh_rate)
                return;
        }
 
-       /*
-        * FIXME: This needs proper synchronization with psr state for some
-        * platforms that cannot have PSR and DRRS enabled at the same time.
-        */
-
        dig_port = dp_to_dig_port(intel_dp);
        encoder = &dig_port->base;
        intel_crtc = to_intel_crtc(encoder->base.crtc);
@@ -5339,6 +5334,11 @@ void intel_edp_drrs_enable(struct intel_dp *intel_dp)
                return;
        }
 
+       if (intel_crtc->config->psr_ready) {
+               DRM_DEBUG_KMS("DRRS: PSR will be enabled on this crtc\n");
+               return;
+       }
+
        mutex_lock(&dev_priv->drrs.mutex);
        if (WARN_ON(dev_priv->drrs.dp)) {
                DRM_ERROR("DRRS already enabled\n");
-- 
2.4.3

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