[PATCH 4/8] drm/amdgpu: Use drm_for_each_connector_encoder_ids()

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Use drm_for_each_connector_encoder_ids() for iterating
connector->encoder_ids[]. A bit more convenient not having
to deal with the implementation details.

Cc: Alex Deucher <alexander.deucher at amd.com>
Cc: "Christian König" <christian.koenig at amd.com>
Cc: "David (ChunMing) Zhou" <David1.Zhou at amd.com>
Cc: Harry Wentland <harry.wentland at amd.com>
Cc: amd-gfx at lists.freedesktop.org
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c | 51 ++++++++++----------------
 drivers/gpu/drm/amd/amdgpu/dce_virtual.c       | 15 ++++----
 2 files changed, 27 insertions(+), 39 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
index 8e66851eb427..dcbe45f6d941 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
@@ -216,16 +216,13 @@ amdgpu_connector_update_scratch_regs(struct drm_connector *connector,
 	struct drm_encoder *encoder = NULL;
 	const struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
 	bool connected;
+	u32 encoder_id;
 	int i;
 
 	best_encoder = connector_funcs->best_encoder(connector);
 
-	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-		if (connector->encoder_ids[i] == 0)
-			break;
-
-		encoder = drm_encoder_find(connector->dev, NULL,
-					connector->encoder_ids[i]);
+	drm_for_each_connector_encoder_ids(connector, encoder_id, i) {
+		encoder = drm_encoder_find(connector->dev, NULL, encoder_id);
 		if (!encoder)
 			continue;
 
@@ -244,13 +241,11 @@ amdgpu_connector_find_encoder(struct drm_connector *connector,
 			       int encoder_type)
 {
 	struct drm_encoder *encoder;
+	u32 encoder_id;
 	int i;
 
-	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-		if (connector->encoder_ids[i] == 0)
-			break;
-		encoder = drm_encoder_find(connector->dev, NULL,
-					connector->encoder_ids[i]);
+	drm_for_each_connector_encoder_ids(connector, encoder_id, i) {
+		encoder = drm_encoder_find(connector->dev, NULL, encoder_id);
 		if (!encoder)
 			continue;
 
@@ -987,7 +982,7 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force)
 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 	struct drm_encoder *encoder = NULL;
 	const struct drm_encoder_helper_funcs *encoder_funcs;
-	int i, r;
+	int r;
 	enum drm_connector_status ret = connector_status_disconnected;
 	bool dret = false, broken_edid = false;
 
@@ -1077,11 +1072,11 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force)
 
 	/* find analog encoder */
 	if (amdgpu_connector->dac_load_detect) {
-		for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-			if (connector->encoder_ids[i] == 0)
-				break;
+		u32 encoder_id;
+		int i;
 
-			encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
+		drm_for_each_connector_encoder_ids(connector, encoder_id, i) {
+			encoder = drm_encoder_find(connector->dev, NULL, encoder_id);
 			if (!encoder)
 				continue;
 
@@ -1135,12 +1130,11 @@ amdgpu_connector_dvi_encoder(struct drm_connector *connector)
 	int enc_id = connector->encoder_ids[0];
 	struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
 	struct drm_encoder *encoder;
+	u32 encoder_id;
 	int i;
-	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-		if (connector->encoder_ids[i] == 0)
-			break;
 
-		encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
+	drm_for_each_connector_encoder_ids(connector, encoder_id, i) {
+		encoder = drm_encoder_find(connector->dev, NULL, encoder_id);
 		if (!encoder)
 			continue;
 
@@ -1294,14 +1288,11 @@ u16 amdgpu_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *conn
 {
 	struct drm_encoder *encoder;
 	struct amdgpu_encoder *amdgpu_encoder;
+	u32 encoder_id;
 	int i;
 
-	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-		if (connector->encoder_ids[i] == 0)
-			break;
-
-		encoder = drm_encoder_find(connector->dev, NULL,
-					connector->encoder_ids[i]);
+	drm_for_each_connector_encoder_ids(connector, encoder_id, i) {
+		encoder = drm_encoder_find(connector->dev, NULL, encoder_id);
 		if (!encoder)
 			continue;
 
@@ -1323,14 +1314,12 @@ static bool amdgpu_connector_encoder_is_hbr2(struct drm_connector *connector)
 {
 	struct drm_encoder *encoder;
 	struct amdgpu_encoder *amdgpu_encoder;
+	u32 encoder_id;
 	int i;
 	bool found = false;
 
-	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-		if (connector->encoder_ids[i] == 0)
-			break;
-		encoder = drm_encoder_find(connector->dev, NULL,
-					connector->encoder_ids[i]);
+	drm_for_each_connector_encoder_ids(connector, encoder_id, i) {
+		encoder = drm_encoder_find(connector->dev, NULL, encoder_id);
 		if (!encoder)
 			continue;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
index dbf2ccd0c744..f8d6318ddbba 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -269,15 +269,12 @@ static int dce_virtual_early_init(void *handle)
 static struct drm_encoder *
 dce_virtual_encoder(struct drm_connector *connector)
 {
-	int enc_id = connector->encoder_ids[0];
 	struct drm_encoder *encoder;
+	u32 encoder_id;
 	int i;
 
-	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-		if (connector->encoder_ids[i] == 0)
-			break;
-
-		encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
+	drm_for_each_connector_encoder_ids(connector, encoder_id, i) {
+		encoder = drm_encoder_find(connector->dev, NULL, encoder_id);
 		if (!encoder)
 			continue;
 
@@ -286,8 +283,10 @@ dce_virtual_encoder(struct drm_connector *connector)
 	}
 
 	/* pick the first one */
-	if (enc_id)
-		return drm_encoder_find(connector->dev, NULL, enc_id);
+	encoder_id = connector->encoder_ids[0];
+	if (encoder_id)
+		return drm_encoder_find(connector->dev, NULL, encoder_id);
+
 	return NULL;
 }
 
-- 
2.16.4