1 files changed, 17 insertions, 18 deletions

diff --git a/drivers/gpu/drm/stm/lvds.c b/drivers/gpu/drm/stm/lvds.c
index 06f2d7a56cc9..fe38c0984b2b 100644
--- a/drivers/gpu/drm/stm/lvds.c
+++ b/drivers/gpu/drm/stm/lvds.c
@@ -682,8 +682,8 @@ static unsigned long lvds_pixel_clk_recalc_rate(struct clk_hw *hw,
 	return (unsigned long)lvds->pixel_clock_rate;
 }
 
-static long lvds_pixel_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				      unsigned long *parent_rate)
+static int lvds_pixel_clk_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	struct stm_lvds *lvds = container_of(hw, struct stm_lvds, lvds_ck_px);
 	unsigned int pll_in_khz, bdiv = 0, mdiv = 0, ndiv = 0;
@@ -703,7 +703,7 @@ static long lvds_pixel_clk_round_rate(struct clk_hw *hw, unsigned long rate,
 	mode = list_first_entry(&connector->modes,
 				struct drm_display_mode, head);
 
-	pll_in_khz = (unsigned int)(*parent_rate / 1000);
+	pll_in_khz = (unsigned int)(req->best_parent_rate / 1000);
 
 	if (lvds_is_dual_link(lvds->link_type))
 		multiplier = 2;
@@ -719,14 +719,16 @@ static long lvds_pixel_clk_round_rate(struct clk_hw *hw, unsigned long rate,
 	lvds->pixel_clock_rate = (unsigned long)pll_get_clkout_khz(pll_in_khz, bdiv, mdiv, ndiv)
 					 * 1000 * multiplier / 7;
 
-	return lvds->pixel_clock_rate;
+	req->rate = lvds->pixel_clock_rate;
+
+	return 0;
 }
 
 static const struct clk_ops lvds_pixel_clk_ops = {
 	.enable = lvds_pixel_clk_enable,
 	.disable = lvds_pixel_clk_disable,
 	.recalc_rate = lvds_pixel_clk_recalc_rate,
-	.round_rate = lvds_pixel_clk_round_rate,
+	.determine_rate = lvds_pixel_clk_determine_rate,
 };
 
 static const struct clk_init_data clk_data = {
@@ -934,28 +936,27 @@ static const struct drm_connector_funcs lvds_conn_funcs = {
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 };
 
-static int lvds_attach(struct drm_bridge *bridge,
+static int lvds_attach(struct drm_bridge *bridge, struct drm_encoder *encoder,
 		       enum drm_bridge_attach_flags flags)
 {
 	struct stm_lvds *lvds = bridge_to_stm_lvds(bridge);
 	struct drm_connector *connector = &lvds->connector;
-	struct drm_encoder *encoder = bridge->encoder;
 	int ret;
 
-	if (!bridge->encoder) {
+	if (!encoder) {
 		drm_err(bridge->dev, "Parent encoder object not found\n");
 		return -ENODEV;
 	}
 
 	/* Set the encoder type as caller does not know it */
-	bridge->encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
+	encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
 
 	/* No cloning support */
-	bridge->encoder->possible_clones = 0;
+	encoder->possible_clones = 0;
 
 	/* If we have a next bridge just attach it. */
 	if (lvds->next_bridge)
-		return drm_bridge_attach(bridge->encoder, lvds->next_bridge,
+		return drm_bridge_attach(encoder, lvds->next_bridge,
 					 bridge, flags);
 
 	if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) {
@@ -980,9 +981,8 @@ static int lvds_attach(struct drm_bridge *bridge,
 }
 
 static void lvds_atomic_enable(struct drm_bridge *bridge,
-			       struct drm_bridge_state *old_bridge_state)
+			       struct drm_atomic_state *state)
 {
-	struct drm_atomic_state *state = old_bridge_state->base.state;
 	struct stm_lvds *lvds = bridge_to_stm_lvds(bridge);
 	struct drm_connector_state *conn_state;
 	struct drm_connector *connector;
@@ -1017,7 +1017,7 @@ static void lvds_atomic_enable(struct drm_bridge *bridge,
 }
 
 static void lvds_atomic_disable(struct drm_bridge *bridge,
-				struct drm_bridge_state *old_bridge_state)
+				struct drm_atomic_state *state)
 {
 	struct stm_lvds *lvds = bridge_to_stm_lvds(bridge);
 
@@ -1051,9 +1051,9 @@ static int lvds_probe(struct platform_device *pdev)
 
 	dev_dbg(dev, "Probing LVDS driver...\n");
 
-	lvds = devm_kzalloc(dev, sizeof(*lvds), GFP_KERNEL);
-	if (!lvds)
-		return -ENOMEM;
+	lvds = devm_drm_bridge_alloc(dev, struct stm_lvds, lvds_bridge, &lvds_bridge_funcs);
+	if (IS_ERR(lvds))
+		return PTR_ERR(lvds);
 
 	lvds->dev = dev;
 
@@ -1166,7 +1166,6 @@ static int lvds_probe(struct platform_device *pdev)
 		goto err_lvds_probe;
 	}
 
-	lvds->lvds_bridge.funcs = &lvds_bridge_funcs;
 	lvds->lvds_bridge.of_node = dev->of_node;
 	lvds->hw_version = lvds_read(lvds, LVDS_VERR);