drm/amd/display/dm: drop extra parameters to create_i2c()

link_index can be fetched from the ddc_service; no need for a separate
parameter.  res is not used.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: alexdeucher

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -8322,9 +8322,7 @@ static const struct i2c_algorithm amdgpu_dm_i2c_algo = {
 };
 
 static struct amdgpu_i2c_adapter *
-create_i2c(struct ddc_service *ddc_service,
-	   int link_index,
-	   int *res)
+create_i2c(struct ddc_service *ddc_service)
 {
 	struct amdgpu_device *adev = ddc_service->ctx->driver_context;
 	struct amdgpu_i2c_adapter *i2c;
@@ -8335,7 +8333,8 @@ create_i2c(struct ddc_service *ddc_service,
 	i2c->base.owner = THIS_MODULE;
 	i2c->base.dev.parent = &adev->pdev->dev;
 	i2c->base.algo = &amdgpu_dm_i2c_algo;
-	snprintf(i2c->base.name, sizeof(i2c->base.name), "AMDGPU DM i2c hw bus %d", link_index);
+	snprintf(i2c->base.name, sizeof(i2c->base.name), "AMDGPU DM i2c hw bus %d",
+		 ddc_service->link->link_index);
 	i2c_set_adapdata(&i2c->base, i2c);
 	i2c->ddc_service = ddc_service;
 
@@ -8383,7 +8382,7 @@ static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
 	link->priv = aconnector;
 
 
-	i2c = create_i2c(link->ddc, link->link_index, &res);
+	i2c = create_i2c(link->ddc);
 	if (!i2c) {
 		DRM_ERROR("Failed to create i2c adapter data\n");
 		return -ENOMEM;