From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 776C4C433B4 for ; Wed, 28 Apr 2021 21:53:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B7A66109E for ; Wed, 28 Apr 2021 21:53:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231237AbhD1VyG (ORCPT ); Wed, 28 Apr 2021 17:54:06 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:49973 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230520AbhD1VyD (ORCPT ); Wed, 28 Apr 2021 17:54:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1619646797; 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=w7Y9JD2dvmt6EyGfKJs2omyWpv63r+TiGZAW3mPzPS0=; b=WTJ5sIlC8c+0R33K6+FvZ0skeGDihoy17r7CBdcBFsVajWn6CJi1eT5adxROji1W2CFM5B lZXuR2CTpLJzIcoHDLIY2aWry0ixrcs0M92c+Ly4g6q7TQfzR04VcSlZ0mPC/4Lrjdf4Im 1mQYcjkeiSN5zfbkzokpakrpB93HKI8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-587-VU8zTGWmM6q_5K0YEQ6suQ-1; Wed, 28 Apr 2021 17:53:16 -0400 X-MC-Unique: VU8zTGWmM6q_5K0YEQ6suQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 15740107ACCA; Wed, 28 Apr 2021 21:53:14 +0000 (UTC) Received: from x1.localdomain (ovpn-115-166.ams2.redhat.com [10.36.115.166]) by smtp.corp.redhat.com (Postfix) with ESMTP id B1C785C1BB; Wed, 28 Apr 2021 21:53:08 +0000 (UTC) From: Hans de Goede To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Daniel Vetter , David Airlie , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Greg Kroah-Hartman , Guenter Roeck , Heikki Krogerus Cc: Hans de Goede , intel-gfx , dri-devel@lists.freedesktop.org, platform-driver-x86@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH 2/9] drm/connector: Add a fwnode pointer to drm_connector and register with ACPI Date: Wed, 28 Apr 2021 23:52:50 +0200 Message-Id: <20210428215257.500088-3-hdegoede@redhat.com> In-Reply-To: <20210428215257.500088-1-hdegoede@redhat.com> References: <20210428215257.500088-1-hdegoede@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org Add a fwnode pointer to struct drm_connector and register an acpi_bus_type for the connectors with the ACPI subsystem (when CONFIG_ACPI is enabled). The adding of the fwnode pointer allows drivers to associate a fwnode that represents a connector with that connector. When the new fwnode pointer points to an ACPI-companion, then the new acpi_bus_type will cause the ACPI subsys to bind the device instantiated for the connector with the fwnode by calling acpi_bind_one(). This will result in a firmware_node symlink under /sys/class/card#-/ which helps to verify that the fwnode-s and connectors are properly matched. Co-authored-by: Heikki Krogerus Signed-off-by: Heikki Krogerus Signed-off-by: Hans de Goede --- drivers/gpu/drm/drm_sysfs.c | 37 +++++++++++++++++++++++++++++++++++++ include/drm/drm_connector.h | 2 ++ 2 files changed, 39 insertions(+) diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index c344c6d5e738..c1d3e2b843b7 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -10,6 +10,7 @@ * Copyright (c) 2003-2004 IBM Corp. */ +#include #include #include #include @@ -56,6 +57,39 @@ static struct device_type drm_sysfs_device_connector = { struct class *drm_class; +#ifdef CONFIG_ACPI +static bool drm_connector_acpi_bus_match(struct device *dev) +{ + return dev->type == &drm_sysfs_device_connector; +} + +static struct acpi_device *drm_connector_acpi_find_companion(struct device *dev) +{ + struct drm_connector *connector = to_drm_connector(dev); + + return to_acpi_device_node(connector->fwnode); +} + +static struct acpi_bus_type drm_connector_acpi_bus = { + .name = "drm_connector", + .match = drm_connector_acpi_bus_match, + .find_companion = drm_connector_acpi_find_companion, +}; + +static void drm_sysfs_acpi_register(void) +{ + register_acpi_bus_type(&drm_connector_acpi_bus); +} + +static void drm_sysfs_acpi_unregister(void) +{ + unregister_acpi_bus_type(&drm_connector_acpi_bus); +} +#else +static void drm_sysfs_acpi_register(void) { } +static void drm_sysfs_acpi_unregister(void) { } +#endif + static char *drm_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev)); @@ -89,6 +123,8 @@ int drm_sysfs_init(void) } drm_class->devnode = drm_devnode; + + drm_sysfs_acpi_register(); return 0; } @@ -101,6 +137,7 @@ void drm_sysfs_destroy(void) { if (IS_ERR_OR_NULL(drm_class)) return; + drm_sysfs_acpi_unregister(); class_remove_file(drm_class, &class_attr_version.attr); class_destroy(drm_class); drm_class = NULL; diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 0261801af62c..d20bfd7576ed 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1254,6 +1254,8 @@ struct drm_connector { struct device *kdev; /** @attr: sysfs attributes */ struct device_attribute *attr; + /** @fwnode: associated fwnode supplied by platform firmware */ + struct fwnode_handle *fwnode; /** * @head: -- 2.31.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ED04DC43460 for ; Wed, 28 Apr 2021 21:53:31 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AB1B96135B for ; 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b=gpa2hAVUEnfyoiV6g+qbm7h+2NwAoF/Vx1JjEICAiQson8IL0juOqjg2yfD9n7efVgRMYS By3uIxaqQl0ib8wA7AAbIpch9oeaKLxALeDj2lAEO6p17QaaqOzG+jN3ZI9MD3bbkZx8Dk Nr7HKzlSc2ajq+EDI6S4oX7l3MEjUUE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-587-VU8zTGWmM6q_5K0YEQ6suQ-1; Wed, 28 Apr 2021 17:53:16 -0400 X-MC-Unique: VU8zTGWmM6q_5K0YEQ6suQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 15740107ACCA; Wed, 28 Apr 2021 21:53:14 +0000 (UTC) Received: from x1.localdomain (ovpn-115-166.ams2.redhat.com [10.36.115.166]) by smtp.corp.redhat.com (Postfix) with ESMTP id B1C785C1BB; Wed, 28 Apr 2021 21:53:08 +0000 (UTC) From: Hans de Goede To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Daniel Vetter , David Airlie , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Greg Kroah-Hartman , Guenter Roeck , Heikki Krogerus Subject: [PATCH 2/9] drm/connector: Add a fwnode pointer to drm_connector and register with ACPI Date: Wed, 28 Apr 2021 23:52:50 +0200 Message-Id: <20210428215257.500088-3-hdegoede@redhat.com> In-Reply-To: <20210428215257.500088-1-hdegoede@redhat.com> References: <20210428215257.500088-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Hans de Goede , intel-gfx , linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org, platform-driver-x86@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add a fwnode pointer to struct drm_connector and register an acpi_bus_type for the connectors with the ACPI subsystem (when CONFIG_ACPI is enabled). The adding of the fwnode pointer allows drivers to associate a fwnode that represents a connector with that connector. When the new fwnode pointer points to an ACPI-companion, then the new acpi_bus_type will cause the ACPI subsys to bind the device instantiated for the connector with the fwnode by calling acpi_bind_one(). This will result in a firmware_node symlink under /sys/class/card#-/ which helps to verify that the fwnode-s and connectors are properly matched. Co-authored-by: Heikki Krogerus Signed-off-by: Heikki Krogerus Signed-off-by: Hans de Goede --- drivers/gpu/drm/drm_sysfs.c | 37 +++++++++++++++++++++++++++++++++++++ include/drm/drm_connector.h | 2 ++ 2 files changed, 39 insertions(+) diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index c344c6d5e738..c1d3e2b843b7 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -10,6 +10,7 @@ * Copyright (c) 2003-2004 IBM Corp. */ +#include #include #include #include @@ -56,6 +57,39 @@ static struct device_type drm_sysfs_device_connector = { struct class *drm_class; +#ifdef CONFIG_ACPI +static bool drm_connector_acpi_bus_match(struct device *dev) +{ + return dev->type == &drm_sysfs_device_connector; +} + +static struct acpi_device *drm_connector_acpi_find_companion(struct device *dev) +{ + struct drm_connector *connector = to_drm_connector(dev); + + return to_acpi_device_node(connector->fwnode); +} + +static struct acpi_bus_type drm_connector_acpi_bus = { + .name = "drm_connector", + .match = drm_connector_acpi_bus_match, + .find_companion = drm_connector_acpi_find_companion, +}; + +static void drm_sysfs_acpi_register(void) +{ + register_acpi_bus_type(&drm_connector_acpi_bus); +} + +static void drm_sysfs_acpi_unregister(void) +{ + unregister_acpi_bus_type(&drm_connector_acpi_bus); +} +#else +static void drm_sysfs_acpi_register(void) { } +static void drm_sysfs_acpi_unregister(void) { } +#endif + static char *drm_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev)); @@ -89,6 +123,8 @@ int drm_sysfs_init(void) } drm_class->devnode = drm_devnode; + + drm_sysfs_acpi_register(); return 0; } @@ -101,6 +137,7 @@ void drm_sysfs_destroy(void) { if (IS_ERR_OR_NULL(drm_class)) return; + drm_sysfs_acpi_unregister(); class_remove_file(drm_class, &class_attr_version.attr); class_destroy(drm_class); drm_class = NULL; diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 0261801af62c..d20bfd7576ed 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1254,6 +1254,8 @@ struct drm_connector { struct device *kdev; /** @attr: sysfs attributes */ struct device_attribute *attr; + /** @fwnode: associated fwnode supplied by platform firmware */ + struct fwnode_handle *fwnode; /** * @head: -- 2.31.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF74EC433B4 for ; Wed, 28 Apr 2021 21:53:28 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7AB6B6109E for ; 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b=Srt8+WKW7HkgmvJTVbne8dLZ4VqeKmfrFEv2OWAJxNTkdSK+ittc17tcbKQxhmxFKaLJqW b+TZ06Q0IW+Yu8yotbOvVcMCrlWhk129dLfgcK5IYmOlE5aURpuIjjneyqEit1oA+RuM2R lueI4IjIiUItkx2NL2liUoAfGd8CNwQ= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-587-VU8zTGWmM6q_5K0YEQ6suQ-1; Wed, 28 Apr 2021 17:53:16 -0400 X-MC-Unique: VU8zTGWmM6q_5K0YEQ6suQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 15740107ACCA; Wed, 28 Apr 2021 21:53:14 +0000 (UTC) Received: from x1.localdomain (ovpn-115-166.ams2.redhat.com [10.36.115.166]) by smtp.corp.redhat.com (Postfix) with ESMTP id B1C785C1BB; Wed, 28 Apr 2021 21:53:08 +0000 (UTC) From: Hans de Goede To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Daniel Vetter , David Airlie , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Greg Kroah-Hartman , Guenter Roeck , Heikki Krogerus Date: Wed, 28 Apr 2021 23:52:50 +0200 Message-Id: <20210428215257.500088-3-hdegoede@redhat.com> In-Reply-To: <20210428215257.500088-1-hdegoede@redhat.com> References: <20210428215257.500088-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Subject: [Intel-gfx] [PATCH 2/9] drm/connector: Add a fwnode pointer to drm_connector and register with ACPI X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx , linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org, platform-driver-x86@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Add a fwnode pointer to struct drm_connector and register an acpi_bus_type for the connectors with the ACPI subsystem (when CONFIG_ACPI is enabled). The adding of the fwnode pointer allows drivers to associate a fwnode that represents a connector with that connector. When the new fwnode pointer points to an ACPI-companion, then the new acpi_bus_type will cause the ACPI subsys to bind the device instantiated for the connector with the fwnode by calling acpi_bind_one(). This will result in a firmware_node symlink under /sys/class/card#-/ which helps to verify that the fwnode-s and connectors are properly matched. Co-authored-by: Heikki Krogerus Signed-off-by: Heikki Krogerus Signed-off-by: Hans de Goede --- drivers/gpu/drm/drm_sysfs.c | 37 +++++++++++++++++++++++++++++++++++++ include/drm/drm_connector.h | 2 ++ 2 files changed, 39 insertions(+) diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index c344c6d5e738..c1d3e2b843b7 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -10,6 +10,7 @@ * Copyright (c) 2003-2004 IBM Corp. */ +#include #include #include #include @@ -56,6 +57,39 @@ static struct device_type drm_sysfs_device_connector = { struct class *drm_class; +#ifdef CONFIG_ACPI +static bool drm_connector_acpi_bus_match(struct device *dev) +{ + return dev->type == &drm_sysfs_device_connector; +} + +static struct acpi_device *drm_connector_acpi_find_companion(struct device *dev) +{ + struct drm_connector *connector = to_drm_connector(dev); + + return to_acpi_device_node(connector->fwnode); +} + +static struct acpi_bus_type drm_connector_acpi_bus = { + .name = "drm_connector", + .match = drm_connector_acpi_bus_match, + .find_companion = drm_connector_acpi_find_companion, +}; + +static void drm_sysfs_acpi_register(void) +{ + register_acpi_bus_type(&drm_connector_acpi_bus); +} + +static void drm_sysfs_acpi_unregister(void) +{ + unregister_acpi_bus_type(&drm_connector_acpi_bus); +} +#else +static void drm_sysfs_acpi_register(void) { } +static void drm_sysfs_acpi_unregister(void) { } +#endif + static char *drm_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev)); @@ -89,6 +123,8 @@ int drm_sysfs_init(void) } drm_class->devnode = drm_devnode; + + drm_sysfs_acpi_register(); return 0; } @@ -101,6 +137,7 @@ void drm_sysfs_destroy(void) { if (IS_ERR_OR_NULL(drm_class)) return; + drm_sysfs_acpi_unregister(); class_remove_file(drm_class, &class_attr_version.attr); class_destroy(drm_class); drm_class = NULL; diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 0261801af62c..d20bfd7576ed 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1254,6 +1254,8 @@ struct drm_connector { struct device *kdev; /** @attr: sysfs attributes */ struct device_attribute *attr; + /** @fwnode: associated fwnode supplied by platform firmware */ + struct fwnode_handle *fwnode; /** * @head: -- 2.31.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx