[Intel-gfx] [PATCH 15/31] drm/i915: Use intel_crtc instead of intel_dp on DRRS enable/disable functions.

[Rodrigo Vivi]

No functional changes at this point. Only using intel_crtc instead
of intel_dp to let DRRS enable/disable functions more flexible to be
moved around on a following patch.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
---
 drivers/gpu/drm/i915/intel_ddi.c  |  4 ++--
 drivers/gpu/drm/i915/intel_drrs.c | 34 +++++++++++++++++++++-------------
 drivers/gpu/drm/i915/intel_drv.h  |  4 ++--
 3 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 972acef..92918cf 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_drrs_enable(intel_dp);
+		intel_drrs_enable(intel_crtc);
 	}
 
 	if (intel_crtc->config->has_audio) {
@@ -2430,7 +2430,7 @@ static void intel_disable_ddi(struct intel_encoder *intel_encoder)
 	if (type == INTEL_OUTPUT_EDP) {
 		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
-		intel_drrs_disable(intel_dp);
+		intel_drrs_disable(intel_crtc);
 		intel_edp_backlight_off(intel_dp);
 	}
 }
diff --git a/drivers/gpu/drm/i915/intel_drrs.c b/drivers/gpu/drm/i915/intel_drrs.c
index dce16ea..6287aee 100644
--- a/drivers/gpu/drm/i915/intel_drrs.c
+++ b/drivers/gpu/drm/i915/intel_drrs.c
@@ -162,17 +162,17 @@ static void intel_drrs_set_state(struct drm_device *dev, int refresh_rate)
 
 /**
  * intel_drrs_enable - init drrs struct if supported
- * @intel_dp: DP struct
+ * @intel_crtc: Intel CRTC
  *
  * Initializes frontbuffer_bits and drrs.dp
  */
-void intel_drrs_enable(struct intel_dp *intel_dp)
+void intel_drrs_enable(struct intel_crtc *intel_crtc)
 {
-	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
-	struct drm_device *dev = dig_port->base.base.dev;
+	struct drm_device *dev = intel_crtc->base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct drm_crtc *crtc = dig_port->base.base.crtc;
-	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	struct drm_crtc *crtc = &intel_crtc->base;
+	struct intel_encoder *intel_encoder;
+	struct intel_dp *intel_dp = NULL;
 
 	if (!intel_crtc->config->has_drrs) {
 		DRM_DEBUG_KMS("Panel doesn't support DRRS\n");
@@ -190,6 +190,16 @@ void intel_drrs_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->drrs.busy_frontbuffer_bits = 0;
 
 	dev_priv->drrs.dp = intel_dp;
@@ -200,17 +210,14 @@ unlock:
 
 /**
  * intel_edp_drrs_disable - Disable DRRS
- * @intel_dp: DP struct
+ * @intel_crtc: Intel CRTC
  *
  */
-void intel_drrs_disable(struct intel_dp *intel_dp)
+void intel_drrs_disable(struct intel_crtc *intel_crtc)
 {
-	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
-	struct drm_device *dev = dig_port->base.base.dev;
+	struct drm_device *dev = intel_crtc->base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct drm_crtc *crtc = dig_port->base.base.crtc;
-	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-	struct intel_panel *panel = &intel_dp->attached_connector->panel;
+	struct intel_panel *panel;
 
 	if (!intel_crtc->config->has_drrs)
 		return;
@@ -221,6 +228,7 @@ void intel_drrs_disable(struct intel_dp *intel_dp)
 		return;
 	}
 
+	panel = &dev_priv->drrs.dp->attached_connector->panel;
 	if (dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR)
 		intel_drrs_set_state(dev_priv->dev,
 				     panel->fixed_mode->vrefresh);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 73406c3..48f461f 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1210,8 +1210,8 @@ u32 skl_plane_ctl_tiling(uint64_t fb_modifier);
 u32 skl_plane_ctl_rotation(unsigned int rotation);
 
 /* intel_drrs.c */
-void intel_drrs_enable(struct intel_dp *intel_dp);
-void intel_drrs_disable(struct intel_dp *intel_dp);
+void intel_drrs_enable(struct intel_crtc *intel_crtc);
+void intel_drrs_disable(struct intel_crtc *intel_crtc);
 void intel_drrs_invalidate(struct drm_device *dev,
 		unsigned frontbuffer_bits);
 void intel_drrs_flush(struct drm_device *dev, unsigned frontbuffer_bits);
-- 
2.4.3