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BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; FREEMAIL_TO(0.00)[ffwll.ch,gmail.com,redhat.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_TWELVE(0.00)[16]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; RCVD_TLS_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; R_RATELIMIT(0.00)[to_ip_from(RLqirfcw6gnbcr9a9yhi49fhi6)]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo, ursulin.net:email, intel.com:email, suse.de:mid, suse.de:email] 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" A number of DRM-client functions serve as entry points from device operations to client code. Moving them info a separate file will later allow for a more fine-grained kernel configuration. For most of the users it is sufficient to include instead of the full driver-side interface in v2: - rename new files to drm_client_event.{c,h} Signed-off-by: Thomas Zimmermann Cc: Jani Nikula Cc: Rodrigo Vivi Cc: Joonas Lahtinen Cc: Tvrtko Ursulin Cc: Karol Herbst Cc: Lyude Paul Cc: Danilo Krummrich Reviewed-by: Jonathan Cavitt --- Documentation/gpu/drm-client.rst | 3 + drivers/gpu/drm/Makefile | 1 + drivers/gpu/drm/drm_client.c | 121 ---------------- drivers/gpu/drm/drm_client_event.c | 135 ++++++++++++++++++ drivers/gpu/drm/drm_drv.c | 2 +- drivers/gpu/drm/drm_file.c | 2 +- drivers/gpu/drm/drm_probe_helper.c | 2 +- .../drm/i915/display/intel_display_driver.c | 2 +- drivers/gpu/drm/nouveau/nouveau_vga.c | 2 +- include/drm/drm_client.h | 4 - include/drm/drm_client_event.h | 12 ++ 11 files changed, 156 insertions(+), 130 deletions(-) create mode 100644 drivers/gpu/drm/drm_client_event.c create mode 100644 include/drm/drm_client_event.h diff --git a/Documentation/gpu/drm-client.rst b/Documentation/gpu/drm-client.rst index 58b5a1d1219d..cbcfe30de777 100644 --- a/Documentation/gpu/drm-client.rst +++ b/Documentation/gpu/drm-client.rst @@ -13,3 +13,6 @@ Kernel clients .. kernel-doc:: drivers/gpu/drm/drm_client_modeset.c :export: + +.. kernel-doc:: drivers/gpu/drm/drm_client_event.c + :export: diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 3894f43f6d47..6b7d168ca790 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -42,6 +42,7 @@ drm-y := \ drm_bridge.o \ drm_cache.o \ drm_client.o \ + drm_client_event.o \ drm_client_modeset.o \ drm_color_mgmt.o \ drm_connector.o \ diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c index bfedcbf516db..549b28a5918c 100644 --- a/drivers/gpu/drm/drm_client.c +++ b/drivers/gpu/drm/drm_client.c @@ -10,7 +10,6 @@ #include #include -#include #include #include #include @@ -172,99 +171,6 @@ void drm_client_release(struct drm_client_dev *client) } EXPORT_SYMBOL(drm_client_release); -/** - * drm_client_dev_unregister - Unregister clients - * @dev: DRM device - * - * This function releases all clients by calling each client's - * &drm_client_funcs.unregister callback. The callback function - * is responsibe for releaseing all resources including the client - * itself. - * - * The helper drm_dev_unregister() calls this function. Drivers - * that use it don't need to call this function themselves. - */ -void drm_client_dev_unregister(struct drm_device *dev) -{ - struct drm_client_dev *client, *tmp; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return; - - mutex_lock(&dev->clientlist_mutex); - list_for_each_entry_safe(client, tmp, &dev->clientlist, list) { - list_del(&client->list); - if (client->funcs && client->funcs->unregister) { - client->funcs->unregister(client); - } else { - drm_client_release(client); - kfree(client); - } - } - mutex_unlock(&dev->clientlist_mutex); -} -EXPORT_SYMBOL(drm_client_dev_unregister); - -/** - * drm_client_dev_hotplug - Send hotplug event to clients - * @dev: DRM device - * - * This function calls the &drm_client_funcs.hotplug callback on the attached clients. - * - * drm_kms_helper_hotplug_event() calls this function, so drivers that use it - * don't need to call this function themselves. - */ -void drm_client_dev_hotplug(struct drm_device *dev) -{ - struct drm_client_dev *client; - int ret; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return; - - if (!dev->mode_config.num_connector) { - drm_dbg_kms(dev, "No connectors found, will not send hotplug events!\n"); - return; - } - - mutex_lock(&dev->clientlist_mutex); - list_for_each_entry(client, &dev->clientlist, list) { - if (!client->funcs || !client->funcs->hotplug) - continue; - - if (client->hotplug_failed) - continue; - - ret = client->funcs->hotplug(client); - drm_dbg_kms(dev, "%s: ret=%d\n", client->name, ret); - if (ret) - client->hotplug_failed = true; - } - mutex_unlock(&dev->clientlist_mutex); -} -EXPORT_SYMBOL(drm_client_dev_hotplug); - -void drm_client_dev_restore(struct drm_device *dev) -{ - struct drm_client_dev *client; - int ret; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return; - - mutex_lock(&dev->clientlist_mutex); - list_for_each_entry(client, &dev->clientlist, list) { - if (!client->funcs || !client->funcs->restore) - continue; - - ret = client->funcs->restore(client); - drm_dbg_kms(dev, "%s: ret=%d\n", client->name, ret); - if (!ret) /* The first one to return zero gets the privilege to restore */ - break; - } - mutex_unlock(&dev->clientlist_mutex); -} - static void drm_client_buffer_delete(struct drm_client_buffer *buffer) { if (buffer->gem) { @@ -584,30 +490,3 @@ int drm_client_framebuffer_flush(struct drm_client_buffer *buffer, struct drm_re 0, 0, NULL, 0); } EXPORT_SYMBOL(drm_client_framebuffer_flush); - -#ifdef CONFIG_DEBUG_FS -static int drm_client_debugfs_internal_clients(struct seq_file *m, void *data) -{ - struct drm_debugfs_entry *entry = m->private; - struct drm_device *dev = entry->dev; - struct drm_printer p = drm_seq_file_printer(m); - struct drm_client_dev *client; - - mutex_lock(&dev->clientlist_mutex); - list_for_each_entry(client, &dev->clientlist, list) - drm_printf(&p, "%s\n", client->name); - mutex_unlock(&dev->clientlist_mutex); - - return 0; -} - -static const struct drm_debugfs_info drm_client_debugfs_list[] = { - { "internal_clients", drm_client_debugfs_internal_clients, 0 }, -}; - -void drm_client_debugfs_init(struct drm_device *dev) -{ - drm_debugfs_add_files(dev, drm_client_debugfs_list, - ARRAY_SIZE(drm_client_debugfs_list)); -} -#endif diff --git a/drivers/gpu/drm/drm_client_event.c b/drivers/gpu/drm/drm_client_event.c new file mode 100644 index 000000000000..d13d44320c5c --- /dev/null +++ b/drivers/gpu/drm/drm_client_event.c @@ -0,0 +1,135 @@ +// SPDX-License-Identifier: GPL-2.0 or MIT +/* + * Copyright 2018 Noralf Trønnes + */ + +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +/** + * drm_client_dev_unregister - Unregister clients + * @dev: DRM device + * + * This function releases all clients by calling each client's + * &drm_client_funcs.unregister callback. The callback function + * is responsibe for releaseing all resources including the client + * itself. + * + * The helper drm_dev_unregister() calls this function. Drivers + * that use it don't need to call this function themselves. + */ +void drm_client_dev_unregister(struct drm_device *dev) +{ + struct drm_client_dev *client, *tmp; + + if (!drm_core_check_feature(dev, DRIVER_MODESET)) + return; + + mutex_lock(&dev->clientlist_mutex); + list_for_each_entry_safe(client, tmp, &dev->clientlist, list) { + list_del(&client->list); + if (client->funcs && client->funcs->unregister) { + client->funcs->unregister(client); + } else { + drm_client_release(client); + kfree(client); + } + } + mutex_unlock(&dev->clientlist_mutex); +} +EXPORT_SYMBOL(drm_client_dev_unregister); + +/** + * drm_client_dev_hotplug - Send hotplug event to clients + * @dev: DRM device + * + * This function calls the &drm_client_funcs.hotplug callback on the attached clients. + * + * drm_kms_helper_hotplug_event() calls this function, so drivers that use it + * don't need to call this function themselves. + */ +void drm_client_dev_hotplug(struct drm_device *dev) +{ + struct drm_client_dev *client; + int ret; + + if (!drm_core_check_feature(dev, DRIVER_MODESET)) + return; + + if (!dev->mode_config.num_connector) { + drm_dbg_kms(dev, "No connectors found, will not send hotplug events!\n"); + return; + } + + mutex_lock(&dev->clientlist_mutex); + list_for_each_entry(client, &dev->clientlist, list) { + if (!client->funcs || !client->funcs->hotplug) + continue; + + if (client->hotplug_failed) + continue; + + ret = client->funcs->hotplug(client); + drm_dbg_kms(dev, "%s: ret=%d\n", client->name, ret); + if (ret) + client->hotplug_failed = true; + } + mutex_unlock(&dev->clientlist_mutex); +} +EXPORT_SYMBOL(drm_client_dev_hotplug); + +void drm_client_dev_restore(struct drm_device *dev) +{ + struct drm_client_dev *client; + int ret; + + if (!drm_core_check_feature(dev, DRIVER_MODESET)) + return; + + mutex_lock(&dev->clientlist_mutex); + list_for_each_entry(client, &dev->clientlist, list) { + if (!client->funcs || !client->funcs->restore) + continue; + + ret = client->funcs->restore(client); + drm_dbg_kms(dev, "%s: ret=%d\n", client->name, ret); + if (!ret) /* The first one to return zero gets the privilege to restore */ + break; + } + mutex_unlock(&dev->clientlist_mutex); +} + +#ifdef CONFIG_DEBUG_FS +static int drm_client_debugfs_internal_clients(struct seq_file *m, void *data) +{ + struct drm_debugfs_entry *entry = m->private; + struct drm_device *dev = entry->dev; + struct drm_printer p = drm_seq_file_printer(m); + struct drm_client_dev *client; + + mutex_lock(&dev->clientlist_mutex); + list_for_each_entry(client, &dev->clientlist, list) + drm_printf(&p, "%s\n", client->name); + mutex_unlock(&dev->clientlist_mutex); + + return 0; +} + +static const struct drm_debugfs_info drm_client_debugfs_list[] = { + { "internal_clients", drm_client_debugfs_internal_clients, 0 }, +}; + +void drm_client_debugfs_init(struct drm_device *dev) +{ + drm_debugfs_add_files(dev, drm_client_debugfs_list, + ARRAY_SIZE(drm_client_debugfs_list)); +} +#endif diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index ac30b0ec9d93..c2c172eb25df 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -38,7 +38,7 @@ #include #include -#include +#include #include #include #include diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index ad1dc638c83b..7415abb7faca 100644 --- a/drivers/gpu/drm/drm_file.c +++ b/drivers/gpu/drm/drm_file.c @@ -40,7 +40,7 @@ #include #include -#include +#include #include #include #include diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index 92f21764246f..96b266b37ba4 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -33,7 +33,7 @@ #include #include -#include +#include #include #include #include diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c index c106fb2dd20b..673f9b965494 100644 --- a/drivers/gpu/drm/i915/display/intel_display_driver.c +++ b/drivers/gpu/drm/i915/display/intel_display_driver.c @@ -11,7 +11,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c index ab4e11dc0b8a..a6c375a24154 100644 --- a/drivers/gpu/drm/nouveau/nouveau_vga.c +++ b/drivers/gpu/drm/nouveau/nouveau_vga.c @@ -2,7 +2,7 @@ #include #include -#include +#include #include "nouveau_drv.h" #include "nouveau_acpi.h" diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h index bc0e66f9c425..dfd5afcc9463 100644 --- a/include/drm/drm_client.h +++ b/include/drm/drm_client.h @@ -121,10 +121,6 @@ int drm_client_init(struct drm_device *dev, struct drm_client_dev *client, void drm_client_release(struct drm_client_dev *client); void drm_client_register(struct drm_client_dev *client); -void drm_client_dev_unregister(struct drm_device *dev); -void drm_client_dev_hotplug(struct drm_device *dev); -void drm_client_dev_restore(struct drm_device *dev); - /** * struct drm_client_buffer - DRM client buffer */ diff --git a/include/drm/drm_client_event.h b/include/drm/drm_client_event.h new file mode 100644 index 000000000000..2c8915241120 --- /dev/null +++ b/include/drm/drm_client_event.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 or MIT */ + +#ifndef _DRM_CLIENT_EVENT_H_ +#define _DRM_CLIENT_EVENT_H_ + +struct drm_device; + +void drm_client_dev_unregister(struct drm_device *dev); +void drm_client_dev_hotplug(struct drm_device *dev); +void drm_client_dev_restore(struct drm_device *dev); + +#endif