From patchwork Tue Jun 27 17:56:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 697080 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3201CEB64DD for ; Tue, 27 Jun 2023 17:57:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231879AbjF0R5z (ORCPT ); Tue, 27 Jun 2023 13:57:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231886AbjF0R5p (ORCPT ); Tue, 27 Jun 2023 13:57:45 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C98E30D8 for ; Tue, 27 Jun 2023 10:56:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687888616; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PmJGJf7PHFMYCPKvlc6eoiKx4hcI9rJSnVS9cs6J5XM=; b=ALu1Lvv+68u0YqatBX3+K6mUMXMXvB2ES/+Z+VqVOskhTqDw+1u6dXS50rc1PK5IR5uUz+ uZlTzT6v157kvXbTRc+k+lgLSuoS/AOEDK/000uB2RE6593BKt2frXX827HIPG8zLd74kr OoSrkZEU2fJxENovhXX5U7UDZOZihMo= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-453-wbT-lN8zNemno8N2ZqNTyQ-1; Tue, 27 Jun 2023 13:56:53 -0400 X-MC-Unique: wbT-lN8zNemno8N2ZqNTyQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E87A61C08963; Tue, 27 Jun 2023 17:56:52 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.194.24]) by smtp.corp.redhat.com (Postfix) with ESMTP id 94506200B677; Tue, 27 Jun 2023 17:56:51 +0000 (UTC) From: Hans de Goede To: Sakari Ailus , Laurent Pinchart , Daniel Scally Cc: Hans de Goede , Mauro Carvalho Chehab , Andy Shevchenko , Kate Hsuan , Hao Yao , Bingbu Cao , linux-media@vger.kernel.org Subject: [PATCH 05/12] media: ipu3-cio2: Only keep PLD around while parsing Date: Tue, 27 Jun 2023 19:56:35 +0200 Message-ID: <20230627175643.114778-6-hdegoede@redhat.com> In-Reply-To: <20230627175643.114778-1-hdegoede@redhat.com> References: <20230627175643.114778-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org There is no need to keep a reference to the PLD struct around, it is only used once the get the sensor orientation. Rename cio2_bridge_parse_orientation() to cio2_bridge_get_orientation() and make it also get + put the PLD. This is a preparation patch for making the cio2-bridge code more generic so that it can be shared with the atomisp driver. Signed-off-by: Hans de Goede --- drivers/media/pci/intel/ipu3/cio2-bridge.c | 51 ++++++++++++---------- drivers/media/pci/intel/ipu3/cio2-bridge.h | 2 +- 2 files changed, 30 insertions(+), 23 deletions(-) diff --git a/drivers/media/pci/intel/ipu3/cio2-bridge.c b/drivers/media/pci/intel/ipu3/cio2-bridge.c index 746c1dda31d1..741ef54f0d65 100644 --- a/drivers/media/pci/intel/ipu3/cio2-bridge.c +++ b/drivers/media/pci/intel/ipu3/cio2-bridge.c @@ -112,23 +112,40 @@ static u32 cio2_bridge_parse_rotation(struct cio2_sensor *sensor) } } -static enum v4l2_fwnode_orientation cio2_bridge_parse_orientation(struct cio2_sensor *sensor) +static enum v4l2_fwnode_orientation +cio2_bridge_get_orientation(struct acpi_device *adev) { - switch (sensor->pld->panel) { + enum v4l2_fwnode_orientation orientation; + struct acpi_pld_info *pld; + acpi_status status; + + status = acpi_get_physical_device_location(adev->handle, &pld); + if (ACPI_FAILURE(status)) { + dev_warn(&adev->dev, "_PLD call failed using unknown orientation\n"); + return V4L2_FWNODE_ORIENTATION_EXTERNAL; + } + + switch (pld->panel) { case ACPI_PLD_PANEL_FRONT: - return V4L2_FWNODE_ORIENTATION_FRONT; + orientation = V4L2_FWNODE_ORIENTATION_FRONT; + break; case ACPI_PLD_PANEL_BACK: - return V4L2_FWNODE_ORIENTATION_BACK; + orientation = V4L2_FWNODE_ORIENTATION_BACK; + break; case ACPI_PLD_PANEL_TOP: case ACPI_PLD_PANEL_LEFT: case ACPI_PLD_PANEL_RIGHT: case ACPI_PLD_PANEL_UNKNOWN: - return V4L2_FWNODE_ORIENTATION_EXTERNAL; + orientation = V4L2_FWNODE_ORIENTATION_EXTERNAL; + break; default: - dev_warn(&sensor->adev->dev, "Unknown _PLD panel value %d\n", - sensor->pld->panel); - return V4L2_FWNODE_ORIENTATION_EXTERNAL; + dev_warn(&adev->dev, "Unknown _PLD panel val %d\n", pld->panel); + orientation = V4L2_FWNODE_ORIENTATION_EXTERNAL; + break; } + + ACPI_FREE(pld); + return orientation; } static void cio2_bridge_create_fwnode_properties( @@ -137,10 +154,8 @@ static void cio2_bridge_create_fwnode_properties( const struct cio2_sensor_config *cfg) { u32 rotation; - enum v4l2_fwnode_orientation orientation; rotation = cio2_bridge_parse_rotation(sensor); - orientation = cio2_bridge_parse_orientation(sensor); sensor->prop_names = prop_names; @@ -155,7 +170,7 @@ static void cio2_bridge_create_fwnode_properties( rotation); sensor->dev_properties[2] = PROPERTY_ENTRY_U32( sensor->prop_names.orientation, - orientation); + sensor->orientation); if (sensor->ssdb.vcmtype) { sensor->vcm_ref[0] = SOFTWARE_NODE_REFERENCE(&sensor->swnodes[SWNODE_VCM]); @@ -279,7 +294,6 @@ static void cio2_bridge_unregister_sensors(struct cio2_bridge *bridge) for (i = 0; i < bridge->n_sensors; i++) { sensor = &bridge->sensors[i]; software_node_unregister_node_group(sensor->group); - ACPI_FREE(sensor->pld); acpi_dev_put(sensor->adev); i2c_unregister_device(sensor->vcm_i2c_client); } @@ -291,7 +305,6 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg, struct fwnode_handle *fwnode, *primary; struct cio2_sensor *sensor; struct acpi_device *adev; - acpi_status status; int ret; for_each_acpi_dev_match(adev, cfg->hid, NULL, -1) { @@ -321,17 +334,13 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg, sensor->ssdb.vcmtype = 0; } - status = acpi_get_physical_device_location(adev->handle, &sensor->pld); - if (ACPI_FAILURE(status)) { - ret = -ENODEV; - goto err_put_adev; - } + sensor->orientation = cio2_bridge_get_orientation(adev); if (sensor->ssdb.lanes > CIO2_MAX_LANES) { dev_err(&adev->dev, "Number of lanes in SSDB is invalid\n"); ret = -EINVAL; - goto err_free_pld; + goto err_put_adev; } cio2_bridge_create_fwnode_properties(sensor, bridge, cfg); @@ -339,7 +348,7 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg, ret = software_node_register_node_group(sensor->group); if (ret) - goto err_free_pld; + goto err_put_adev; fwnode = software_node_fwnode(&sensor->swnodes[ SWNODE_SENSOR_HID]); @@ -365,8 +374,6 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg, err_free_swnodes: software_node_unregister_node_group(sensor->group); -err_free_pld: - ACPI_FREE(sensor->pld); err_put_adev: acpi_dev_put(adev); return ret; diff --git a/drivers/media/pci/intel/ipu3/cio2-bridge.h b/drivers/media/pci/intel/ipu3/cio2-bridge.h index 8045ceab899b..e42c5c3cf856 100644 --- a/drivers/media/pci/intel/ipu3/cio2-bridge.h +++ b/drivers/media/pci/intel/ipu3/cio2-bridge.h @@ -125,7 +125,7 @@ struct cio2_sensor { struct cio2_node_names node_names; struct cio2_sensor_ssdb ssdb; - struct acpi_pld_info *pld; + enum v4l2_fwnode_orientation orientation; struct cio2_property_names prop_names; struct property_entry ep_properties[5];