1 files changed, 16 insertions, 152 deletions

diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c
index 6a5c7b8..37db479 100644
--- a/drivers/gpu/drm/tegra/output.c
+++ b/drivers/gpu/drm/tegra/output.c
@@ -9,10 +9,11 @@
 
 #include <linux/of_gpio.h>
 
+#include <drm/drm_atomic_helper.h>
 #include <drm/drm_panel.h>
 #include "drm.h"
 
-static int tegra_connector_get_modes(struct drm_connector *connector)
+int tegra_output_connector_get_modes(struct drm_connector *connector)
 {
 	struct tegra_output *output = connector_to_output(connector);
 	struct edid *edid = NULL;
@@ -43,43 +44,20 @@ static int tegra_connector_get_modes(struct drm_connector *connector)
 	return err;
 }
 
-static int tegra_connector_mode_valid(struct drm_connector *connector,
-				      struct drm_display_mode *mode)
-{
-	struct tegra_output *output = connector_to_output(connector);
-	enum drm_mode_status status = MODE_OK;
-	int err;
-
-	err = tegra_output_check_mode(output, mode, &status);
-	if (err < 0)
-		return MODE_ERROR;
-
-	return status;
-}
-
-static struct drm_encoder *
-tegra_connector_best_encoder(struct drm_connector *connector)
+struct drm_encoder *
+tegra_output_connector_best_encoder(struct drm_connector *connector)
 {
 	struct tegra_output *output = connector_to_output(connector);
 
 	return &output->encoder;
 }
 
-static const struct drm_connector_helper_funcs connector_helper_funcs = {
-	.get_modes = tegra_connector_get_modes,
-	.mode_valid = tegra_connector_mode_valid,
-	.best_encoder = tegra_connector_best_encoder,
-};
-
-static enum drm_connector_status
-tegra_connector_detect(struct drm_connector *connector, bool force)
+enum drm_connector_status
+tegra_output_connector_detect(struct drm_connector *connector, bool force)
 {
 	struct tegra_output *output = connector_to_output(connector);
 	enum drm_connector_status status = connector_status_unknown;
 
-	if (output->ops->detect)
-		return output->ops->detect(output);
-
 	if (gpio_is_valid(output->hpd_gpio)) {
 		if (gpio_get_value(output->hpd_gpio) == 0)
 			status = connector_status_disconnected;
@@ -90,95 +68,22 @@ tegra_connector_detect(struct drm_connector *connector, bool force)
 			status = connector_status_disconnected;
 		else
 			status = connector_status_connected;
-
-		if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
-			status = connector_status_connected;
 	}
 
 	return status;
 }
 
-static void drm_connector_clear(struct drm_connector *connector)
-{
-	memset(connector, 0, sizeof(*connector));
-}
-
-static void tegra_connector_destroy(struct drm_connector *connector)
+void tegra_output_connector_destroy(struct drm_connector *connector)
 {
 	drm_connector_unregister(connector);
 	drm_connector_cleanup(connector);
-	drm_connector_clear(connector);
 }
 
-static const struct drm_connector_funcs connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.detect = tegra_connector_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = tegra_connector_destroy,
-};
-
-static void drm_encoder_clear(struct drm_encoder *encoder)
-{
-	memset(encoder, 0, sizeof(*encoder));
-}
-
-static void tegra_encoder_destroy(struct drm_encoder *encoder)
+void tegra_output_encoder_destroy(struct drm_encoder *encoder)
 {
 	drm_encoder_cleanup(encoder);
-	drm_encoder_clear(encoder);
 }
 
-static const struct drm_encoder_funcs encoder_funcs = {
-	.destroy = tegra_encoder_destroy,
-};
-
-static void tegra_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct tegra_output *output = encoder_to_output(encoder);
-	struct drm_panel *panel = output->panel;
-
-	if (mode != DRM_MODE_DPMS_ON) {
-		drm_panel_disable(panel);
-		tegra_output_disable(output);
-		drm_panel_unprepare(panel);
-	} else {
-		drm_panel_prepare(panel);
-		tegra_output_enable(output);
-		drm_panel_enable(panel);
-	}
-}
-
-static bool tegra_encoder_mode_fixup(struct drm_encoder *encoder,
-				     const struct drm_display_mode *mode,
-				     struct drm_display_mode *adjusted)
-{
-	return true;
-}
-
-static void tegra_encoder_prepare(struct drm_encoder *encoder)
-{
-	tegra_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
-}
-
-static void tegra_encoder_commit(struct drm_encoder *encoder)
-{
-	tegra_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
-}
-
-static void tegra_encoder_mode_set(struct drm_encoder *encoder,
-				   struct drm_display_mode *mode,
-				   struct drm_display_mode *adjusted)
-{
-}
-
-static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
-	.dpms = tegra_encoder_dpms,
-	.mode_fixup = tegra_encoder_mode_fixup,
-	.prepare = tegra_encoder_prepare,
-	.commit = tegra_encoder_commit,
-	.mode_set = tegra_encoder_mode_set,
-};
-
 static irqreturn_t hpd_irq(int irq, void *data)
 {
 	struct tegra_output *output = data;
@@ -268,7 +173,7 @@ int tegra_output_probe(struct tegra_output *output)
 	return 0;
 }
 
-int tegra_output_remove(struct tegra_output *output)
+void tegra_output_remove(struct tegra_output *output)
 {
 	if (gpio_is_valid(output->hpd_gpio)) {
 		free_irq(output->hpd_irq, output);
@@ -277,56 +182,17 @@ int tegra_output_remove(struct tegra_output *output)
 
 	if (output->ddc)
 		put_device(&output->ddc->dev);
-
-	return 0;
 }
 
 int tegra_output_init(struct drm_device *drm, struct tegra_output *output)
 {
-	int connector, encoder;
-
-	switch (output->type) {
-	case TEGRA_OUTPUT_RGB:
-		connector = DRM_MODE_CONNECTOR_LVDS;
-		encoder = DRM_MODE_ENCODER_LVDS;
-		break;
-
-	case TEGRA_OUTPUT_HDMI:
-		connector = DRM_MODE_CONNECTOR_HDMIA;
-		encoder = DRM_MODE_ENCODER_TMDS;
-		break;
-
-	case TEGRA_OUTPUT_DSI:
-		connector = DRM_MODE_CONNECTOR_DSI;
-		encoder = DRM_MODE_ENCODER_DSI;
-		break;
-
-	case TEGRA_OUTPUT_EDP:
-		connector = DRM_MODE_CONNECTOR_eDP;
-		encoder = DRM_MODE_ENCODER_TMDS;
-		break;
-
-	default:
-		connector = DRM_MODE_CONNECTOR_Unknown;
-		encoder = DRM_MODE_ENCODER_NONE;
-		break;
-	}
-
-	drm_connector_init(drm, &output->connector, &connector_funcs,
-			   connector);
-	drm_connector_helper_add(&output->connector, &connector_helper_funcs);
-	output->connector.dpms = DRM_MODE_DPMS_OFF;
-
-	if (output->panel)
-		drm_panel_attach(output->panel, &output->connector);
-
-	drm_encoder_init(drm, &output->encoder, &encoder_funcs, encoder);
-	drm_encoder_helper_add(&output->encoder, &encoder_helper_funcs);
-
-	drm_mode_connector_attach_encoder(&output->connector, &output->encoder);
-	drm_connector_register(&output->connector);
+	int err;
 
-	output->encoder.possible_crtcs = 0x3;
+	if (output->panel) {
+		err = drm_panel_attach(output->panel, &output->connector);
+		if (err < 0)
+			return err;
+	}
 
 	/*
 	 * The connector is now registered and ready to receive hotplug events
@@ -338,7 +204,7 @@ int tegra_output_init(struct drm_device *drm, struct tegra_output *output)
 	return 0;
 }
 
-int tegra_output_exit(struct tegra_output *output)
+void tegra_output_exit(struct tegra_output *output)
 {
 	/*
 	 * The connector is going away, so the interrupt must be disabled to
@@ -349,6 +215,4 @@ int tegra_output_exit(struct tegra_output *output)
 
 	if (output->panel)
 		drm_panel_detach(output->panel);
-
-	return 0;
 }