1 files changed, 45 insertions, 82 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 8fdacb252bb1..e04767695530 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -7,18 +7,19 @@
 #include <drm/drm_fourcc.h>
 
 #include "i915_debugfs.h"
+#include "intel_de.h"
 #include "intel_display_debugfs.h"
 #include "intel_display_power.h"
-#include "intel_de.h"
 #include "intel_display_types.h"
 #include "intel_dmc.h"
 #include "intel_dp.h"
+#include "intel_dp_mst.h"
+#include "intel_drrs.h"
 #include "intel_fbc.h"
 #include "intel_hdcp.h"
 #include "intel_hdmi.h"
 #include "intel_pm.h"
 #include "intel_psr.h"
-#include "intel_sideband.h"
 #include "intel_sprite.h"
 
 static inline struct drm_i915_private *node_to_i915(struct drm_info_node *node)
@@ -1323,9 +1324,6 @@ static int i915_drrs_status(struct seq_file *m, void *unused)
 	return 0;
 }
 
-#define LPSP_STATUS(COND) (COND ? seq_puts(m, "LPSP: enabled\n") : \
-				seq_puts(m, "LPSP: disabled\n"))
-
 static bool
 intel_lpsp_power_well_enabled(struct drm_i915_private *i915,
 			      enum i915_power_well_id power_well_id)
@@ -1344,32 +1342,20 @@ intel_lpsp_power_well_enabled(struct drm_i915_private *i915,
 static int i915_lpsp_status(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *i915 = node_to_i915(m->private);
-
-	if (DISPLAY_VER(i915) >= 13) {
-		LPSP_STATUS(!intel_lpsp_power_well_enabled(i915,
-							   SKL_DISP_PW_2));
+	bool lpsp_enabled = false;
+
+	if (DISPLAY_VER(i915) >= 13 || IS_DISPLAY_VER(i915, 9, 10)) {
+		lpsp_enabled = !intel_lpsp_power_well_enabled(i915, SKL_DISP_PW_2);
+	} else if (IS_DISPLAY_VER(i915, 11, 12)) {
+		lpsp_enabled = !intel_lpsp_power_well_enabled(i915, ICL_DISP_PW_3);
+	} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
+		lpsp_enabled = !intel_lpsp_power_well_enabled(i915, HSW_DISP_PW_GLOBAL);
+	} else {
+		seq_puts(m, "LPSP: not supported\n");
 		return 0;
 	}
 
-	switch (DISPLAY_VER(i915)) {
-	case 12:
-	case 11:
-		LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, ICL_DISP_PW_3));
-		break;
-	case 10:
-	case 9:
-		LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, SKL_DISP_PW_2));
-		break;
-	default:
-		/*
-		 * Apart from HASWELL/BROADWELL other legacy platform doesn't
-		 * support lpsp.
-		 */
-		if (IS_HASWELL(i915) || IS_BROADWELL(i915))
-			LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, HSW_DISP_PW_GLOBAL));
-		else
-			seq_puts(m, "LPSP: not supported\n");
-	}
+	seq_printf(m, "LPSP: %s\n", enableddisabled(lpsp_enabled));
 
 	return 0;
 }
@@ -1393,7 +1379,7 @@ static int i915_dp_mst_info(struct seq_file *m, void *unused)
 			continue;
 
 		dig_port = enc_to_dig_port(intel_encoder);
-		if (!dig_port->dp.can_mst)
+		if (!intel_dp_mst_source_support(&dig_port->dp))
 			continue;
 
 		seq_printf(m, "MST Source Port [ENCODER:%d:%s]\n",
@@ -2044,11 +2030,9 @@ static int i915_drrs_ctl_set(void *data, u64 val)
 
 			intel_dp = enc_to_intel_dp(encoder);
 			if (val)
-				intel_edp_drrs_enable(intel_dp,
-						      crtc_state);
+				intel_drrs_enable(intel_dp, crtc_state);
 			else
-				intel_edp_drrs_disable(intel_dp,
-						       crtc_state);
+				intel_drrs_disable(intel_dp, crtc_state);
 		}
 		drm_connector_list_iter_end(&conn_iter);
 
@@ -2240,14 +2224,12 @@ static int i915_psr_status_show(struct seq_file *m, void *data)
 }
 DEFINE_SHOW_ATTRIBUTE(i915_psr_status);
 
-#define LPSP_CAPABLE(COND) (COND ? seq_puts(m, "LPSP: capable\n") : \
-				seq_puts(m, "LPSP: incapable\n"))
-
 static int i915_lpsp_capability_show(struct seq_file *m, void *data)
 {
 	struct drm_connector *connector = m->private;
 	struct drm_i915_private *i915 = to_i915(connector->dev);
 	struct intel_encoder *encoder;
+	bool lpsp_capable = false;
 
 	encoder = intel_attached_encoder(to_intel_connector(connector));
 	if (!encoder)
@@ -2256,35 +2238,27 @@ static int i915_lpsp_capability_show(struct seq_file *m, void *data)
 	if (connector->status != connector_status_connected)
 		return -ENODEV;
 
-	if (DISPLAY_VER(i915) >= 13) {
-		LPSP_CAPABLE(encoder->port <= PORT_B);
-		return 0;
-	}
-
-	switch (DISPLAY_VER(i915)) {
-	case 12:
+	if (DISPLAY_VER(i915) >= 13)
+		lpsp_capable = encoder->port <= PORT_B;
+	else if (DISPLAY_VER(i915) >= 12)
 		/*
 		 * Actually TGL can drive LPSP on port till DDI_C
 		 * but there is no physical connected DDI_C on TGL sku's,
 		 * even driver is not initilizing DDI_C port for gen12.
 		 */
-		LPSP_CAPABLE(encoder->port <= PORT_B);
-		break;
-	case 11:
-		LPSP_CAPABLE(connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
-			     connector->connector_type == DRM_MODE_CONNECTOR_eDP);
-		break;
-	case 10:
-	case 9:
-		LPSP_CAPABLE(encoder->port == PORT_A &&
-			     (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
-			     connector->connector_type == DRM_MODE_CONNECTOR_eDP  ||
-			     connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort));
-		break;
-	default:
-		if (IS_HASWELL(i915) || IS_BROADWELL(i915))
-			LPSP_CAPABLE(connector->connector_type == DRM_MODE_CONNECTOR_eDP);
-	}
+		lpsp_capable = encoder->port <= PORT_B;
+	else if (DISPLAY_VER(i915) == 11)
+		lpsp_capable = (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
+				connector->connector_type == DRM_MODE_CONNECTOR_eDP);
+	else if (IS_DISPLAY_VER(i915, 9, 10))
+		lpsp_capable = (encoder->port == PORT_A &&
+				(connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
+				 connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
+				 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort));
+	else if (IS_HASWELL(i915) || IS_BROADWELL(i915))
+		lpsp_capable = connector->connector_type == DRM_MODE_CONNECTOR_eDP;
+
+	seq_printf(m, "LPSP: %s\n", lpsp_capable ? "capable" : "incapable");
 
 	return 0;
 }
@@ -2468,17 +2442,16 @@ static const struct file_operations i915_dsc_bpp_fops = {
  *
  * Cleanup will be done by drm_connector_unregister() through a call to
  * drm_debugfs_connector_remove().
- *
- * Returns 0 on success, negative error codes on error.
  */
-int intel_connector_debugfs_add(struct drm_connector *connector)
+void intel_connector_debugfs_add(struct intel_connector *intel_connector)
 {
+	struct drm_connector *connector = &intel_connector->base;
 	struct dentry *root = connector->debugfs_entry;
 	struct drm_i915_private *dev_priv = to_i915(connector->dev);
 
 	/* The connector must have been registered beforehands. */
 	if (!root)
-		return -ENODEV;
+		return;
 
 	if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
 		debugfs_create_file("i915_panel_timings", S_IRUGO, root,
@@ -2511,33 +2484,23 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
 				    connector, &i915_dsc_bpp_fops);
 	}
 
-	/* Legacy panels doesn't lpsp on any platform */
-	if ((DISPLAY_VER(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
-	     IS_BROADWELL(dev_priv)) &&
-	     (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_HDMIB))
+	if (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
+	    connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
+	    connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+	    connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
+	    connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)
 		debugfs_create_file("i915_lpsp_capability", 0444, root,
 				    connector, &i915_lpsp_capability_fops);
-
-	return 0;
 }
 
 /**
  * intel_crtc_debugfs_add - add i915 specific crtc debugfs files
  * @crtc: pointer to a drm_crtc
  *
- * Returns 0 on success, negative error codes on error.
- *
  * Failure to add debugfs entries should generally be ignored.
  */
-int intel_crtc_debugfs_add(struct drm_crtc *crtc)
+void intel_crtc_debugfs_add(struct drm_crtc *crtc)
 {
-	if (!crtc->debugfs_entry)
-		return -ENODEV;
-
-	crtc_updates_add(crtc);
-	return 0;
+	if (crtc->debugfs_entry)
+		crtc_updates_add(crtc);
 }