[Intel-gfx] [PATCH 11/31] drm/i915: Use intel_crtc instead of intel_dp on PSR enable/disable functions.

[Rodrigo Vivi]

This will give us the flexibility to move them to
post atomic modeset functions.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
---
 drivers/gpu/drm/i915/intel_ddi.c |  4 ++--
 drivers/gpu/drm/i915/intel_dp.c  |  5 +++--
 drivers/gpu/drm/i915/intel_drv.h |  4 ++--
 drivers/gpu/drm/i915/intel_psr.c | 38 ++++++++++++++++++++++++--------------
 4 files changed, 31 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 06d3002..b8f8dee 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -2404,7 +2404,7 @@ static void intel_enable_ddi(struct intel_encoder *intel_encoder)
 			intel_dp_stop_link_train(intel_dp);
 
 		intel_edp_backlight_on(intel_dp);
-		intel_psr_enable(intel_dp);
+		intel_psr_enable(intel_crtc);
 		intel_edp_drrs_enable(intel_dp);
 	}
 
@@ -2432,7 +2432,7 @@ static void intel_disable_ddi(struct intel_encoder *intel_encoder)
 		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
 		intel_edp_drrs_disable(intel_dp);
-		intel_psr_disable(intel_dp);
+		intel_psr_disable(intel_crtc);
 		intel_edp_backlight_off(intel_dp);
 	}
 }
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index e154a2e..92f59cc 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2374,7 +2374,7 @@ static void intel_disable_dp(struct intel_encoder *encoder)
 		intel_audio_codec_disable(encoder);
 
 	if (HAS_PSR(dev) && !HAS_DDI(dev))
-		intel_psr_disable(intel_dp);
+		intel_psr_disable(crtc);
 
 	/* Make sure the panel is off before trying to change the mode. But also
 	 * ensure that we have vdd while we switch off the panel. */
@@ -2629,9 +2629,10 @@ static void g4x_enable_dp(struct intel_encoder *encoder)
 static void vlv_enable_dp(struct intel_encoder *encoder)
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
 
 	intel_edp_backlight_on(intel_dp);
-	intel_psr_enable(intel_dp);
+	intel_psr_enable(crtc);
 }
 
 static void g4x_pre_enable_dp(struct intel_encoder *encoder)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 06511d2..cafe4c1 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1399,8 +1399,8 @@ void intel_backlight_unregister(struct drm_device *dev);
 /* intel_psr.c */
 bool intel_psr_ready(struct intel_dp *intel_dp,
 		     struct intel_crtc_state *pipe_config);
-void intel_psr_enable(struct intel_dp *intel_dp);
-void intel_psr_disable(struct intel_dp *intel_dp);
+void intel_psr_enable(struct intel_crtc *intel_crtc);
+void intel_psr_disable(struct intel_crtc *intel_crtc);
 void intel_psr_invalidate(struct drm_device *dev,
 			  unsigned frontbuffer_bits);
 void intel_psr_flush(struct drm_device *dev,
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index e690db3..bcf2d9d 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -371,18 +371,19 @@ static void intel_psr_activate(struct intel_dp *intel_dp)
 
 /**
  * intel_psr_enable - Enable PSR
- * @intel_dp: Intel DP
+ * @intel_crtc: Intel CRTC
  *
  * This function can only be called after the pipe is fully trained and enabled.
  */
-void intel_psr_enable(struct intel_dp *intel_dp)
+void intel_psr_enable(struct intel_crtc *intel_crtc)
 {
-	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
-	struct drm_device *dev = intel_dig_port->base.base.dev;
+	struct drm_crtc *crtc = &intel_crtc->base;
+	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_crtc *crtc = to_intel_crtc(intel_dig_port->base.base.crtc);
+	struct intel_encoder *intel_encoder;
+	struct intel_dp *intel_dp = NULL;
 
-	if (!crtc->config->psr_ready)
+	if (!intel_crtc->config->psr_ready)
 		return;
 
 	mutex_lock(&dev_priv->psr.lock);
@@ -391,6 +392,16 @@ void intel_psr_enable(struct intel_dp *intel_dp)
 		goto unlock;
 	}
 
+	for_each_encoder_on_crtc(dev, crtc, intel_encoder) {
+		if (intel_encoder->type == INTEL_OUTPUT_EDP)
+			intel_dp = enc_to_intel_dp(&intel_encoder->base);
+	}
+
+	if (!intel_dp) {
+		DRM_DEBUG_KMS("No eDP found\n");
+		goto unlock;
+	}
+
 	dev_priv->psr.busy_frontbuffer_bits = 0;
 
 	if (HAS_DDI(dev)) {
@@ -398,8 +409,8 @@ void intel_psr_enable(struct intel_dp *intel_dp)
 
 		if (dev_priv->psr.psr2_support) {
 			/* PSR2 is restricted to work with panel resolutions upto 3200x2000 */
-			if (crtc->config->pipe_src_w > 3200 ||
-				crtc->config->pipe_src_h > 2000)
+			if (intel_crtc->config->pipe_src_w > 3200 ||
+				intel_crtc->config->pipe_src_h > 2000)
 				dev_priv->psr.psr2_support = false;
 			else
 				skl_psr_setup_su_vsc(intel_dp);
@@ -484,14 +495,13 @@ static void hsw_psr_disable(struct intel_dp *intel_dp)
 
 /**
  * intel_psr_disable - Disable PSR
- * @intel_dp: Intel DP
+ * @intel_crtc: Intel CRTC
  *
  * This function needs to be called before disabling pipe.
  */
-void intel_psr_disable(struct intel_dp *intel_dp)
+void intel_psr_disable(struct intel_crtc *intel_crtc)
 {
-	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
-	struct drm_device *dev = intel_dig_port->base.base.dev;
+	struct drm_device *dev = intel_crtc->base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
 	mutex_lock(&dev_priv->psr.lock);
@@ -501,9 +511,9 @@ void intel_psr_disable(struct intel_dp *intel_dp)
 	}
 
 	if (HAS_DDI(dev))
-		hsw_psr_disable(intel_dp);
+		hsw_psr_disable(dev_priv->psr.enabled);
 	else
-		vlv_psr_disable(intel_dp);
+		vlv_psr_disable(dev_priv->psr.enabled);
 
 	dev_priv->psr.enabled = NULL;
 	mutex_unlock(&dev_priv->psr.lock);
-- 
2.4.3