[Intel-gfx] [PATCH 07/15] drm/i915: Track the psr dp connector in dev_priv->psr.enabled

[Daniel Vetter]

Trying to fish that one out through looping is a bit a locking
nightmare. So just set it and use it in the work struct.

Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/i915_drv.h |  3 ++-
 drivers/gpu/drm/i915/intel_dp.c | 21 +++++++--------------
 2 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f5db29428406..759f7c6d1622 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -633,10 +633,11 @@ struct i915_drrs {
 	struct intel_connector *connector;
 };
 
+struct intel_dp;
 struct i915_psr {
 	bool sink_support;
 	bool source_ok;
-	bool enabled;
+	struct intel_dp *enabled;
 	bool active;
 	struct delayed_work work;
 };
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index ac1cef459a7b..10bcc052df4b 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1826,7 +1826,7 @@ static void intel_edp_psr_do_enable(struct intel_dp *intel_dp)
 	/* Enable PSR on the host */
 	intel_edp_psr_enable_source(intel_dp);
 
-	dev_priv->psr.enabled = true;
+	dev_priv->psr.enabled = intel_dp;
 	dev_priv->psr.active = true;
 }
 
@@ -1867,26 +1867,19 @@ void intel_edp_psr_disable(struct intel_dp *intel_dp)
 		       EDP_PSR_STATUS_STATE_MASK) == 0, 2000, 10))
 		DRM_ERROR("Timed out waiting for PSR Idle State\n");
 
-	dev_priv->psr.enabled = false;
+	dev_priv->psr.enabled = NULL;
 }
 
 static void intel_edp_psr_work(struct work_struct *work)
 {
 	struct drm_i915_private *dev_priv =
 		container_of(work, typeof(*dev_priv), psr.work.work);
-	struct drm_device *dev = dev_priv->dev;
-	struct intel_encoder *encoder;
-	struct intel_dp *intel_dp = NULL;
-
-	list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head)
-		if (encoder->type == INTEL_OUTPUT_EDP) {
-			intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = dev_priv->psr.enabled;
 
-			if (!intel_edp_psr_match_conditions(intel_dp))
-				intel_edp_psr_disable(intel_dp);
-			else
-				intel_edp_psr_do_enable(intel_dp);
-		}
+	if (!intel_edp_psr_match_conditions(intel_dp))
+		intel_edp_psr_disable(intel_dp);
+	else
+		intel_edp_psr_do_enable(intel_dp);
 }
 
 static void intel_edp_psr_inactivate(struct drm_device *dev)
-- 
2.0.0