drm/nouveau/i2c: transition pad/ports away from being based on nvkm_object

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

3 files changed, 18 insertions, 13 deletions

diff --git a/drivers/gpu/drm/nouveau/dispnv04/dfp.c b/drivers/gpu/drm/nouveau/dispnv04/dfp.c
index 61b49c1d5303..a85e7251e0cb 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/dfp.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/dfp.c
@@ -624,8 +624,8 @@ static void nv04_tmds_slave_init(struct drm_encoder *encoder)
 	struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
-	struct nvkm_i2c_port *port = i2c->find(i2c, 2);
-	struct nvkm_i2c_board_info info[] = {
+	struct nvkm_i2c_bus *bus = nvkm_i2c_bus_find(i2c, NVKM_I2C_BUS_PRI);
+	struct nvkm_i2c_bus_probe info[] = {
 		{
 		    {
 		        .type = "sil164",
@@ -639,16 +639,15 @@ static void nv04_tmds_slave_init(struct drm_encoder *encoder)
 	};
 	int type;
 
-	if (!nv_gf4_disp_arch(dev) || !port ||
-	    get_tmds_slave(encoder))
+	if (!nv_gf4_disp_arch(dev) || !bus || get_tmds_slave(encoder))
 		return;
 
-	type = i2c->identify(i2c, 2, "TMDS transmitter", info, NULL, NULL);
+	type = nvkm_i2c_bus_probe(bus, "TMDS transmitter", info, NULL, NULL);
 	if (type < 0)
 		return;
 
 	drm_i2c_encoder_init(dev, to_encoder_slave(encoder),
-			     &port->adapter, &info[type].dev);
+			     &bus->i2c, &info[type].dev);
 }
 
 static const struct drm_encoder_helper_funcs nv04_lvds_helper_funcs = {
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c
index 4131be5507ab..018a4480cfc5 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c
@@ -101,7 +101,9 @@ nv04_display_create(struct drm_device *dev)
 
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 		struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-		nv_encoder->i2c = i2c->find(i2c, nv_encoder->dcb->i2c_index);
+		struct nvkm_i2c_bus *bus =
+			nvkm_i2c_bus_find(i2c, nv_encoder->dcb->i2c_index);
+		nv_encoder->i2c = bus ? &bus->i2c : NULL;
 	}
 
 	/* Save previous state */
diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c
index 70e95cf6fd19..5345eb5378a8 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv04.c
@@ -35,7 +35,7 @@
 
 #include <drm/i2c/ch7006.h>
 
-static struct nvkm_i2c_board_info nv04_tv_encoder_info[] = {
+static struct nvkm_i2c_bus_probe nv04_tv_encoder_info[] = {
 	{
 		{
 			I2C_BOARD_INFO("ch7006", 0x75),
@@ -55,9 +55,13 @@ int nv04_tv_identify(struct drm_device *dev, int i2c_index)
 {
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
-
-	return i2c->identify(i2c, i2c_index, "TV encoder",
-			     nv04_tv_encoder_info, NULL, NULL);
+	struct nvkm_i2c_bus *bus = nvkm_i2c_bus_find(i2c, i2c_index);
+	if (bus) {
+		return nvkm_i2c_bus_probe(bus, "TV encoder",
+					  nv04_tv_encoder_info,
+					  NULL, NULL);
+	}
+	return -ENODEV;
 }
 
 
@@ -205,7 +209,7 @@ nv04_tv_create(struct drm_connector *connector, struct dcb_output *entry)
 	struct drm_device *dev = connector->dev;
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
-	struct nvkm_i2c_port *port = i2c->find(i2c, entry->i2c_index);
+	struct nvkm_i2c_bus *bus = nvkm_i2c_bus_find(i2c, entry->i2c_index);
 	int type, ret;
 
 	/* Ensure that we can talk to this encoder */
@@ -231,7 +235,7 @@ nv04_tv_create(struct drm_connector *connector, struct dcb_output *entry)
 
 	/* Run the slave-specific initialization */
 	ret = drm_i2c_encoder_init(dev, to_encoder_slave(encoder),
-				   &port->adapter,
+				   &bus->i2c,
 				   &nv04_tv_encoder_info[type].dev);
 	if (ret < 0)
 		goto fail_cleanup;