[PATCH 14/21] drm: Extract drm_connector.[hc]
Sean Paul
seanpaul at chromium.org
Mon Aug 15 20:15:10 UTC 2016
On Fri, Aug 12, 2016 at 4:48 PM, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> Pulls in quite a lot of connector related structures (cmdline mode,
> force/status enums, display info), but I think that all makes perfect
> sense.
>
> Also had to move a few more core kms object stuff into drm_modeset.h.
>
> And as a first cleanup remove the kerneldoc for the 2 connector IOCTL
> - DRM core docs are aimed at drivers, no point documenting internal in
> excruciating detail.
>
> v2: And also pull in all the connector property code.
>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Reviewed-by: Sean Paul <seanpaul at chromium.org>
> ---
> Documentation/gpu/drm-kms.rst | 9 +
> drivers/gpu/drm/Makefile | 2 +-
> drivers/gpu/drm/drm_connector.c | 1058 +++++++++++++++++++++++++++++++++
> drivers/gpu/drm/drm_crtc.c | 1110 +----------------------------------
> drivers/gpu/drm/drm_crtc_internal.h | 26 +-
> include/drm/drm_connector.h | 644 ++++++++++++++++++++
> include/drm/drm_crtc.h | 601 +------------------
> include/drm/drm_modes.h | 16 +-
> include/drm/drm_modeset.h | 36 +-
> 9 files changed, 1773 insertions(+), 1729 deletions(-)
> create mode 100644 drivers/gpu/drm/drm_connector.c
> create mode 100644 include/drm/drm_connector.h
>
> diff --git a/Documentation/gpu/drm-kms.rst b/Documentation/gpu/drm-kms.rst
> index d244e03658cc..449acc2517c7 100644
> --- a/Documentation/gpu/drm-kms.rst
> +++ b/Documentation/gpu/drm-kms.rst
> @@ -110,6 +110,15 @@ Display Modes Function Reference
> .. kernel-doc:: drivers/gpu/drm/drm_modes.c
> :export:
>
> +Connector Display Sink Abstraction
> +==================================
> +
> +.. kernel-doc:: include/drm/drm_connector.h
> + :internal:
> +
> +.. kernel-doc:: drivers/gpu/drm/drm_connector.c
> + :export:
> +
> KMS Initialization and Cleanup
> ==============================
>
> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> index c71ec42ce511..2eff1a33ab63 100644
> --- a/drivers/gpu/drm/Makefile
> +++ b/drivers/gpu/drm/Makefile
> @@ -13,7 +13,7 @@ drm-y := drm_auth.o drm_bufs.o drm_cache.o \
> drm_trace_points.o drm_global.o drm_prime.o \
> drm_rect.o drm_vma_manager.o drm_flip_work.o \
> drm_modeset_lock.o drm_atomic.o drm_bridge.o \
> - drm_framebuffer.o
> + drm_framebuffer.o drm_connector.o
>
> drm-$(CONFIG_COMPAT) += drm_ioc32.o
> drm-$(CONFIG_DRM_GEM_CMA_HELPER) += drm_gem_cma_helper.o
> diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
> new file mode 100644
> index 000000000000..99ece6758061
> --- /dev/null
> +++ b/drivers/gpu/drm/drm_connector.c
> @@ -0,0 +1,1058 @@
> +/*
> + * Copyright (c) 2016 Intel Corporation
> + *
> + * Permission to use, copy, modify, distribute, and sell this software and its
> + * documentation for any purpose is hereby granted without fee, provided that
> + * the above copyright notice appear in all copies and that both that copyright
> + * notice and this permission notice appear in supporting documentation, and
> + * that the name of the copyright holders not be used in advertising or
> + * publicity pertaining to distribution of the software without specific,
> + * written prior permission. The copyright holders make no representations
> + * about the suitability of this software for any purpose. It is provided "as
> + * is" without express or implied warranty.
> + *
> + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
> + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
> + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
> + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
> + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
> + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
> + * OF THIS SOFTWARE.
> + */
> +
> +#include <drm/drmP.h>
> +#include <drm/drm_connector.h>
> +#include <drm/drm_edid.h>
> +
> +#include "drm_crtc_internal.h"
> +#include "drm_internal.h"
> +
> +struct drm_conn_prop_enum_list {
> + int type;
> + const char *name;
> + struct ida ida;
> +};
> +
> +/*
> + * Connector and encoder types.
> + */
> +static struct drm_conn_prop_enum_list drm_connector_enum_list[] = {
> + { DRM_MODE_CONNECTOR_Unknown, "Unknown" },
> + { DRM_MODE_CONNECTOR_VGA, "VGA" },
> + { DRM_MODE_CONNECTOR_DVII, "DVI-I" },
> + { DRM_MODE_CONNECTOR_DVID, "DVI-D" },
> + { DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
> + { DRM_MODE_CONNECTOR_Composite, "Composite" },
> + { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" },
> + { DRM_MODE_CONNECTOR_LVDS, "LVDS" },
> + { DRM_MODE_CONNECTOR_Component, "Component" },
> + { DRM_MODE_CONNECTOR_9PinDIN, "DIN" },
> + { DRM_MODE_CONNECTOR_DisplayPort, "DP" },
> + { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
> + { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
> + { DRM_MODE_CONNECTOR_TV, "TV" },
> + { DRM_MODE_CONNECTOR_eDP, "eDP" },
> + { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" },
> + { DRM_MODE_CONNECTOR_DSI, "DSI" },
> + { DRM_MODE_CONNECTOR_DPI, "DPI" },
> +};
> +
> +void drm_connector_ida_init(void)
> +{
> + int i;
> +
> + for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++)
> + ida_init(&drm_connector_enum_list[i].ida);
> +}
> +
> +void drm_connector_ida_destroy(void)
> +{
> + int i;
> +
> + for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++)
> + ida_destroy(&drm_connector_enum_list[i].ida);
> +}
> +
> +/**
> + * drm_connector_get_cmdline_mode - reads the user's cmdline mode
> + * @connector: connector to quwery
> + *
> + * The kernel supports per-connector configration of its consoles through
> + * use of the video= parameter. This function parses that option and
> + * extracts the user's specified mode (or enable/disable status) for a
> + * particular connector. This is typically only used during the early fbdev
> + * setup.
> + */
> +static void drm_connector_get_cmdline_mode(struct drm_connector *connector)
> +{
> + struct drm_cmdline_mode *mode = &connector->cmdline_mode;
> + char *option = NULL;
> +
> + if (fb_get_options(connector->name, &option))
> + return;
> +
> + if (!drm_mode_parse_command_line_for_connector(option,
> + connector,
> + mode))
> + return;
> +
> + if (mode->force) {
> + const char *s;
> +
> + switch (mode->force) {
> + case DRM_FORCE_OFF:
> + s = "OFF";
> + break;
> + case DRM_FORCE_ON_DIGITAL:
> + s = "ON - dig";
> + break;
> + default:
> + case DRM_FORCE_ON:
> + s = "ON";
> + break;
> + }
> +
> + DRM_INFO("forcing %s connector %s\n", connector->name, s);
> + connector->force = mode->force;
> + }
> +
> + DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n",
> + connector->name,
> + mode->xres, mode->yres,
> + mode->refresh_specified ? mode->refresh : 60,
> + mode->rb ? " reduced blanking" : "",
> + mode->margins ? " with margins" : "",
> + mode->interlace ? " interlaced" : "");
> +}
> +
> +static void drm_connector_free(struct kref *kref)
> +{
> + struct drm_connector *connector =
> + container_of(kref, struct drm_connector, base.refcount);
> + struct drm_device *dev = connector->dev;
> +
> + drm_mode_object_unregister(dev, &connector->base);
> + connector->funcs->destroy(connector);
> +}
> +
> +/**
> + * drm_connector_init - Init a preallocated connector
> + * @dev: DRM device
> + * @connector: the connector to init
> + * @funcs: callbacks for this connector
> + * @connector_type: user visible type of the connector
> + *
> + * Initialises a preallocated connector. Connectors should be
> + * subclassed as part of driver connector objects.
> + *
> + * Returns:
> + * Zero on success, error code on failure.
> + */
> +int drm_connector_init(struct drm_device *dev,
> + struct drm_connector *connector,
> + const struct drm_connector_funcs *funcs,
> + int connector_type)
> +{
> + struct drm_mode_config *config = &dev->mode_config;
> + int ret;
> + struct ida *connector_ida =
> + &drm_connector_enum_list[connector_type].ida;
> +
> + drm_modeset_lock_all(dev);
> +
> + ret = drm_mode_object_get_reg(dev, &connector->base,
> + DRM_MODE_OBJECT_CONNECTOR,
> + false, drm_connector_free);
> + if (ret)
> + goto out_unlock;
> +
> + connector->base.properties = &connector->properties;
> + connector->dev = dev;
> + connector->funcs = funcs;
> +
> + ret = ida_simple_get(&config->connector_ida, 0, 0, GFP_KERNEL);
> + if (ret < 0)
> + goto out_put;
> + connector->index = ret;
> + ret = 0;
> +
> + connector->connector_type = connector_type;
> + connector->connector_type_id =
> + ida_simple_get(connector_ida, 1, 0, GFP_KERNEL);
> + if (connector->connector_type_id < 0) {
> + ret = connector->connector_type_id;
> + goto out_put_id;
> + }
> + connector->name =
> + kasprintf(GFP_KERNEL, "%s-%d",
> + drm_connector_enum_list[connector_type].name,
> + connector->connector_type_id);
> + if (!connector->name) {
> + ret = -ENOMEM;
> + goto out_put_type_id;
> + }
> +
> + INIT_LIST_HEAD(&connector->probed_modes);
> + INIT_LIST_HEAD(&connector->modes);
> + connector->edid_blob_ptr = NULL;
> + connector->status = connector_status_unknown;
> +
> + drm_connector_get_cmdline_mode(connector);
> +
> + /* We should add connectors at the end to avoid upsetting the connector
> + * index too much. */
> + list_add_tail(&connector->head, &config->connector_list);
> + config->num_connector++;
> +
> + if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL)
> + drm_object_attach_property(&connector->base,
> + config->edid_property,
> + 0);
> +
> + drm_object_attach_property(&connector->base,
> + config->dpms_property, 0);
> +
> + if (drm_core_check_feature(dev, DRIVER_ATOMIC)) {
> + drm_object_attach_property(&connector->base, config->prop_crtc_id, 0);
> + }
> +
> + connector->debugfs_entry = NULL;
> +out_put_type_id:
> + if (ret)
> + ida_remove(connector_ida, connector->connector_type_id);
> +out_put_id:
> + if (ret)
> + ida_remove(&config->connector_ida, connector->index);
> +out_put:
> + if (ret)
> + drm_mode_object_unregister(dev, &connector->base);
> +
> +out_unlock:
> + drm_modeset_unlock_all(dev);
> +
> + return ret;
> +}
> +EXPORT_SYMBOL(drm_connector_init);
> +
> +/**
> + * drm_mode_connector_attach_encoder - attach a connector to an encoder
> + * @connector: connector to attach
> + * @encoder: encoder to attach @connector to
> + *
> + * This function links up a connector to an encoder. Note that the routing
> + * restrictions between encoders and crtcs are exposed to userspace through the
> + * possible_clones and possible_crtcs bitmasks.
> + *
> + * Returns:
> + * Zero on success, negative errno on failure.
> + */
> +int drm_mode_connector_attach_encoder(struct drm_connector *connector,
> + struct drm_encoder *encoder)
> +{
> + int i;
> +
> + /*
> + * In the past, drivers have attempted to model the static association
> + * of connector to encoder in simple connector/encoder devices using a
> + * direct assignment of connector->encoder = encoder. This connection
> + * is a logical one and the responsibility of the core, so drivers are
> + * expected not to mess with this.
> + *
> + * Note that the error return should've been enough here, but a large
> + * majority of drivers ignores the return value, so add in a big WARN
> + * to get people's attention.
> + */
> + if (WARN_ON(connector->encoder))
> + return -EINVAL;
> +
> + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
> + if (connector->encoder_ids[i] == 0) {
> + connector->encoder_ids[i] = encoder->base.id;
> + return 0;
> + }
> + }
> + return -ENOMEM;
> +}
> +EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
> +
> +static void drm_mode_remove(struct drm_connector *connector,
> + struct drm_display_mode *mode)
> +{
> + list_del(&mode->head);
> + drm_mode_destroy(connector->dev, mode);
> +}
> +
> +/**
> + * drm_connector_cleanup - cleans up an initialised connector
> + * @connector: connector to cleanup
> + *
> + * Cleans up the connector but doesn't free the object.
> + */
> +void drm_connector_cleanup(struct drm_connector *connector)
> +{
> + struct drm_device *dev = connector->dev;
> + struct drm_display_mode *mode, *t;
> +
> + /* The connector should have been removed from userspace long before
> + * it is finally destroyed.
> + */
> + if (WARN_ON(connector->registered))
> + drm_connector_unregister(connector);
> +
> + if (connector->tile_group) {
> + drm_mode_put_tile_group(dev, connector->tile_group);
> + connector->tile_group = NULL;
> + }
> +
> + list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
> + drm_mode_remove(connector, mode);
> +
> + list_for_each_entry_safe(mode, t, &connector->modes, head)
> + drm_mode_remove(connector, mode);
> +
> + ida_remove(&drm_connector_enum_list[connector->connector_type].ida,
> + connector->connector_type_id);
> +
> + ida_remove(&dev->mode_config.connector_ida,
> + connector->index);
> +
> + kfree(connector->display_info.bus_formats);
> + drm_mode_object_unregister(dev, &connector->base);
> + kfree(connector->name);
> + connector->name = NULL;
> + list_del(&connector->head);
> + dev->mode_config.num_connector--;
> +
> + WARN_ON(connector->state && !connector->funcs->atomic_destroy_state);
> + if (connector->state && connector->funcs->atomic_destroy_state)
> + connector->funcs->atomic_destroy_state(connector,
> + connector->state);
> +
> + memset(connector, 0, sizeof(*connector));
> +}
> +EXPORT_SYMBOL(drm_connector_cleanup);
> +
> +/**
> + * drm_connector_register - register a connector
> + * @connector: the connector to register
> + *
> + * Register userspace interfaces for a connector
> + *
> + * Returns:
> + * Zero on success, error code on failure.
> + */
> +int drm_connector_register(struct drm_connector *connector)
> +{
> + int ret;
> +
> + if (connector->registered)
> + return 0;
> +
> + ret = drm_sysfs_connector_add(connector);
> + if (ret)
> + return ret;
> +
> + ret = drm_debugfs_connector_add(connector);
> + if (ret) {
> + goto err_sysfs;
> + }
> +
> + if (connector->funcs->late_register) {
> + ret = connector->funcs->late_register(connector);
> + if (ret)
> + goto err_debugfs;
> + }
> +
> + drm_mode_object_register(connector->dev, &connector->base);
> +
> + connector->registered = true;
> + return 0;
> +
> +err_debugfs:
> + drm_debugfs_connector_remove(connector);
> +err_sysfs:
> + drm_sysfs_connector_remove(connector);
> + return ret;
> +}
> +EXPORT_SYMBOL(drm_connector_register);
> +
> +/**
> + * drm_connector_unregister - unregister a connector
> + * @connector: the connector to unregister
> + *
> + * Unregister userspace interfaces for a connector
> + */
> +void drm_connector_unregister(struct drm_connector *connector)
> +{
> + if (!connector->registered)
> + return;
> +
> + if (connector->funcs->early_unregister)
> + connector->funcs->early_unregister(connector);
> +
> + drm_sysfs_connector_remove(connector);
> + drm_debugfs_connector_remove(connector);
> +
> + connector->registered = false;
> +}
> +EXPORT_SYMBOL(drm_connector_unregister);
> +
> +void drm_connector_unregister_all(struct drm_device *dev)
> +{
> + struct drm_connector *connector;
> +
> + /* FIXME: taking the mode config mutex ends up in a clash with sysfs */
> + list_for_each_entry(connector, &dev->mode_config.connector_list, head)
> + drm_connector_unregister(connector);
> +}
> +
> +int drm_connector_register_all(struct drm_device *dev)
> +{
> + struct drm_connector *connector;
> + int ret;
> +
> + /* FIXME: taking the mode config mutex ends up in a clash with
> + * fbcon/backlight registration */
> + list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
> + ret = drm_connector_register(connector);
> + if (ret)
> + goto err;
> + }
> +
> + return 0;
> +
> +err:
> + mutex_unlock(&dev->mode_config.mutex);
> + drm_connector_unregister_all(dev);
> + return ret;
> +}
> +
> +/**
> + * drm_get_connector_status_name - return a string for connector status
> + * @status: connector status to compute name of
> + *
> + * In contrast to the other drm_get_*_name functions this one here returns a
> + * const pointer and hence is threadsafe.
> + */
> +const char *drm_get_connector_status_name(enum drm_connector_status status)
> +{
> + if (status == connector_status_connected)
> + return "connected";
> + else if (status == connector_status_disconnected)
> + return "disconnected";
> + else
> + return "unknown";
> +}
> +EXPORT_SYMBOL(drm_get_connector_status_name);
> +
> +static const struct drm_prop_enum_list drm_subpixel_enum_list[] = {
> + { SubPixelUnknown, "Unknown" },
> + { SubPixelHorizontalRGB, "Horizontal RGB" },
> + { SubPixelHorizontalBGR, "Horizontal BGR" },
> + { SubPixelVerticalRGB, "Vertical RGB" },
> + { SubPixelVerticalBGR, "Vertical BGR" },
> + { SubPixelNone, "None" },
> +};
> +
> +/**
> + * drm_get_subpixel_order_name - return a string for a given subpixel enum
> + * @order: enum of subpixel_order
> + *
> + * Note you could abuse this and return something out of bounds, but that
> + * would be a caller error. No unscrubbed user data should make it here.
> + */
> +const char *drm_get_subpixel_order_name(enum subpixel_order order)
> +{
> + return drm_subpixel_enum_list[order].name;
> +}
> +EXPORT_SYMBOL(drm_get_subpixel_order_name);
> +
> +static const struct drm_prop_enum_list drm_dpms_enum_list[] = {
> + { DRM_MODE_DPMS_ON, "On" },
> + { DRM_MODE_DPMS_STANDBY, "Standby" },
> + { DRM_MODE_DPMS_SUSPEND, "Suspend" },
> + { DRM_MODE_DPMS_OFF, "Off" }
> +};
> +DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list)
> +
> +/* Optional connector properties. */
> +static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = {
> + { DRM_MODE_SCALE_NONE, "None" },
> + { DRM_MODE_SCALE_FULLSCREEN, "Full" },
> + { DRM_MODE_SCALE_CENTER, "Center" },
> + { DRM_MODE_SCALE_ASPECT, "Full aspect" },
> +};
> +
> +static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = {
> + { DRM_MODE_PICTURE_ASPECT_NONE, "Automatic" },
> + { DRM_MODE_PICTURE_ASPECT_4_3, "4:3" },
> + { DRM_MODE_PICTURE_ASPECT_16_9, "16:9" },
> +};
> +
> +static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = {
> + { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
> + { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
> + { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
> +};
> +DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list)
> +
> +static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = {
> + { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
> + { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
> + { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
> +};
> +DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name,
> + drm_dvi_i_subconnector_enum_list)
> +
> +static const struct drm_prop_enum_list drm_tv_select_enum_list[] = {
> + { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
> + { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
> + { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
> + { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
> + { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
> +};
> +DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
> +
> +static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = {
> + { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
> + { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
> + { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
> + { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
> + { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
> +};
> +DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name,
> + drm_tv_subconnector_enum_list)
> +
> +int drm_connector_create_standard_properties(struct drm_device *dev)
> +{
> + struct drm_property *prop;
> +
> + prop = drm_property_create(dev, DRM_MODE_PROP_BLOB |
> + DRM_MODE_PROP_IMMUTABLE,
> + "EDID", 0);
> + if (!prop)
> + return -ENOMEM;
> + dev->mode_config.edid_property = prop;
> +
> + prop = drm_property_create_enum(dev, 0,
> + "DPMS", drm_dpms_enum_list,
> + ARRAY_SIZE(drm_dpms_enum_list));
> + if (!prop)
> + return -ENOMEM;
> + dev->mode_config.dpms_property = prop;
> +
> + prop = drm_property_create(dev,
> + DRM_MODE_PROP_BLOB |
> + DRM_MODE_PROP_IMMUTABLE,
> + "PATH", 0);
> + if (!prop)
> + return -ENOMEM;
> + dev->mode_config.path_property = prop;
> +
> + prop = drm_property_create(dev,
> + DRM_MODE_PROP_BLOB |
> + DRM_MODE_PROP_IMMUTABLE,
> + "TILE", 0);
> + if (!prop)
> + return -ENOMEM;
> + dev->mode_config.tile_property = prop;
> +
> + return 0;
> +}
> +
> +/**
> + * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
> + * @dev: DRM device
> + *
> + * Called by a driver the first time a DVI-I connector is made.
> + */
> +int drm_mode_create_dvi_i_properties(struct drm_device *dev)
> +{
> + struct drm_property *dvi_i_selector;
> + struct drm_property *dvi_i_subconnector;
> +
> + if (dev->mode_config.dvi_i_select_subconnector_property)
> + return 0;
> +
> + dvi_i_selector =
> + drm_property_create_enum(dev, 0,
> + "select subconnector",
> + drm_dvi_i_select_enum_list,
> + ARRAY_SIZE(drm_dvi_i_select_enum_list));
> + dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
> +
> + dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
> + "subconnector",
> + drm_dvi_i_subconnector_enum_list,
> + ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
> + dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
> +
> + return 0;
> +}
> +EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
> +
> +/**
> + * drm_create_tv_properties - create TV specific connector properties
> + * @dev: DRM device
> + * @num_modes: number of different TV formats (modes) supported
> + * @modes: array of pointers to strings containing name of each format
> + *
> + * Called by a driver's TV initialization routine, this function creates
> + * the TV specific connector properties for a given device. Caller is
> + * responsible for allocating a list of format names and passing them to
> + * this routine.
> + */
> +int drm_mode_create_tv_properties(struct drm_device *dev,
> + unsigned int num_modes,
> + const char * const modes[])
> +{
> + struct drm_property *tv_selector;
> + struct drm_property *tv_subconnector;
> + unsigned int i;
> +
> + if (dev->mode_config.tv_select_subconnector_property)
> + return 0;
> +
> + /*
> + * Basic connector properties
> + */
> + tv_selector = drm_property_create_enum(dev, 0,
> + "select subconnector",
> + drm_tv_select_enum_list,
> + ARRAY_SIZE(drm_tv_select_enum_list));
> + if (!tv_selector)
> + goto nomem;
> +
> + dev->mode_config.tv_select_subconnector_property = tv_selector;
> +
> + tv_subconnector =
> + drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
> + "subconnector",
> + drm_tv_subconnector_enum_list,
> + ARRAY_SIZE(drm_tv_subconnector_enum_list));
> + if (!tv_subconnector)
> + goto nomem;
> + dev->mode_config.tv_subconnector_property = tv_subconnector;
> +
> + /*
> + * Other, TV specific properties: margins & TV modes.
> + */
> + dev->mode_config.tv_left_margin_property =
> + drm_property_create_range(dev, 0, "left margin", 0, 100);
> + if (!dev->mode_config.tv_left_margin_property)
> + goto nomem;
> +
> + dev->mode_config.tv_right_margin_property =
> + drm_property_create_range(dev, 0, "right margin", 0, 100);
> + if (!dev->mode_config.tv_right_margin_property)
> + goto nomem;
> +
> + dev->mode_config.tv_top_margin_property =
> + drm_property_create_range(dev, 0, "top margin", 0, 100);
> + if (!dev->mode_config.tv_top_margin_property)
> + goto nomem;
> +
> + dev->mode_config.tv_bottom_margin_property =
> + drm_property_create_range(dev, 0, "bottom margin", 0, 100);
> + if (!dev->mode_config.tv_bottom_margin_property)
> + goto nomem;
> +
> + dev->mode_config.tv_mode_property =
> + drm_property_create(dev, DRM_MODE_PROP_ENUM,
> + "mode", num_modes);
> + if (!dev->mode_config.tv_mode_property)
> + goto nomem;
> +
> + for (i = 0; i < num_modes; i++)
> + drm_property_add_enum(dev->mode_config.tv_mode_property, i,
> + i, modes[i]);
> +
> + dev->mode_config.tv_brightness_property =
> + drm_property_create_range(dev, 0, "brightness", 0, 100);
> + if (!dev->mode_config.tv_brightness_property)
> + goto nomem;
> +
> + dev->mode_config.tv_contrast_property =
> + drm_property_create_range(dev, 0, "contrast", 0, 100);
> + if (!dev->mode_config.tv_contrast_property)
> + goto nomem;
> +
> + dev->mode_config.tv_flicker_reduction_property =
> + drm_property_create_range(dev, 0, "flicker reduction", 0, 100);
> + if (!dev->mode_config.tv_flicker_reduction_property)
> + goto nomem;
> +
> + dev->mode_config.tv_overscan_property =
> + drm_property_create_range(dev, 0, "overscan", 0, 100);
> + if (!dev->mode_config.tv_overscan_property)
> + goto nomem;
> +
> + dev->mode_config.tv_saturation_property =
> + drm_property_create_range(dev, 0, "saturation", 0, 100);
> + if (!dev->mode_config.tv_saturation_property)
> + goto nomem;
> +
> + dev->mode_config.tv_hue_property =
> + drm_property_create_range(dev, 0, "hue", 0, 100);
> + if (!dev->mode_config.tv_hue_property)
> + goto nomem;
> +
> + return 0;
> +nomem:
> + return -ENOMEM;
> +}
> +EXPORT_SYMBOL(drm_mode_create_tv_properties);
> +
> +/**
> + * drm_mode_create_scaling_mode_property - create scaling mode property
> + * @dev: DRM device
> + *
> + * Called by a driver the first time it's needed, must be attached to desired
> + * connectors.
> + */
> +int drm_mode_create_scaling_mode_property(struct drm_device *dev)
> +{
> + struct drm_property *scaling_mode;
> +
> + if (dev->mode_config.scaling_mode_property)
> + return 0;
> +
> + scaling_mode =
> + drm_property_create_enum(dev, 0, "scaling mode",
> + drm_scaling_mode_enum_list,
> + ARRAY_SIZE(drm_scaling_mode_enum_list));
> +
> + dev->mode_config.scaling_mode_property = scaling_mode;
> +
> + return 0;
> +}
> +EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
> +
> +/**
> + * drm_mode_create_aspect_ratio_property - create aspect ratio property
> + * @dev: DRM device
> + *
> + * Called by a driver the first time it's needed, must be attached to desired
> + * connectors.
> + *
> + * Returns:
> + * Zero on success, negative errno on failure.
> + */
> +int drm_mode_create_aspect_ratio_property(struct drm_device *dev)
> +{
> + if (dev->mode_config.aspect_ratio_property)
> + return 0;
> +
> + dev->mode_config.aspect_ratio_property =
> + drm_property_create_enum(dev, 0, "aspect ratio",
> + drm_aspect_ratio_enum_list,
> + ARRAY_SIZE(drm_aspect_ratio_enum_list));
> +
> + if (dev->mode_config.aspect_ratio_property == NULL)
> + return -ENOMEM;
> +
> + return 0;
> +}
> +EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property);
> +
> +/**
> + * drm_mode_create_suggested_offset_properties - create suggests offset properties
> + * @dev: DRM device
> + *
> + * Create the the suggested x/y offset property for connectors.
> + */
> +int drm_mode_create_suggested_offset_properties(struct drm_device *dev)
> +{
> + if (dev->mode_config.suggested_x_property && dev->mode_config.suggested_y_property)
> + return 0;
> +
> + dev->mode_config.suggested_x_property =
> + drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff);
> +
> + dev->mode_config.suggested_y_property =
> + drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff);
> +
> + if (dev->mode_config.suggested_x_property == NULL ||
> + dev->mode_config.suggested_y_property == NULL)
> + return -ENOMEM;
> + return 0;
> +}
> +EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties);
> +
> +/**
> + * drm_mode_connector_set_path_property - set tile property on connector
> + * @connector: connector to set property on.
> + * @path: path to use for property; must not be NULL.
> + *
> + * This creates a property to expose to userspace to specify a
> + * connector path. This is mainly used for DisplayPort MST where
> + * connectors have a topology and we want to allow userspace to give
> + * them more meaningful names.
> + *
> + * Returns:
> + * Zero on success, negative errno on failure.
> + */
> +int drm_mode_connector_set_path_property(struct drm_connector *connector,
> + const char *path)
> +{
> + struct drm_device *dev = connector->dev;
> + int ret;
> +
> + ret = drm_property_replace_global_blob(dev,
> + &connector->path_blob_ptr,
> + strlen(path) + 1,
> + path,
> + &connector->base,
> + dev->mode_config.path_property);
> + return ret;
> +}
> +EXPORT_SYMBOL(drm_mode_connector_set_path_property);
> +
> +/**
> + * drm_mode_connector_set_tile_property - set tile property on connector
> + * @connector: connector to set property on.
> + *
> + * This looks up the tile information for a connector, and creates a
> + * property for userspace to parse if it exists. The property is of
> + * the form of 8 integers using ':' as a separator.
> + *
> + * Returns:
> + * Zero on success, errno on failure.
> + */
> +int drm_mode_connector_set_tile_property(struct drm_connector *connector)
> +{
> + struct drm_device *dev = connector->dev;
> + char tile[256];
> + int ret;
> +
> + if (!connector->has_tile) {
> + ret = drm_property_replace_global_blob(dev,
> + &connector->tile_blob_ptr,
> + 0,
> + NULL,
> + &connector->base,
> + dev->mode_config.tile_property);
> + return ret;
> + }
> +
> + snprintf(tile, 256, "%d:%d:%d:%d:%d:%d:%d:%d",
> + connector->tile_group->id, connector->tile_is_single_monitor,
> + connector->num_h_tile, connector->num_v_tile,
> + connector->tile_h_loc, connector->tile_v_loc,
> + connector->tile_h_size, connector->tile_v_size);
> +
> + ret = drm_property_replace_global_blob(dev,
> + &connector->tile_blob_ptr,
> + strlen(tile) + 1,
> + tile,
> + &connector->base,
> + dev->mode_config.tile_property);
> + return ret;
> +}
> +EXPORT_SYMBOL(drm_mode_connector_set_tile_property);
> +
> +/**
> + * drm_mode_connector_update_edid_property - update the edid property of a connector
> + * @connector: drm connector
> + * @edid: new value of the edid property
> + *
> + * This function creates a new blob modeset object and assigns its id to the
> + * connector's edid property.
> + *
> + * Returns:
> + * Zero on success, negative errno on failure.
> + */
> +int drm_mode_connector_update_edid_property(struct drm_connector *connector,
> + const struct edid *edid)
> +{
> + struct drm_device *dev = connector->dev;
> + size_t size = 0;
> + int ret;
> +
> + /* ignore requests to set edid when overridden */
> + if (connector->override_edid)
> + return 0;
> +
> + if (edid)
> + size = EDID_LENGTH * (1 + edid->extensions);
> +
> + ret = drm_property_replace_global_blob(dev,
> + &connector->edid_blob_ptr,
> + size,
> + edid,
> + &connector->base,
> + dev->mode_config.edid_property);
> + return ret;
> +}
> +EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
> +
> +int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj,
> + struct drm_property *property,
> + uint64_t value)
> +{
> + int ret = -EINVAL;
> + struct drm_connector *connector = obj_to_connector(obj);
> +
> + /* Do DPMS ourselves */
> + if (property == connector->dev->mode_config.dpms_property) {
> + ret = (*connector->funcs->dpms)(connector, (int)value);
> + } else if (connector->funcs->set_property)
> + ret = connector->funcs->set_property(connector, property, value);
> +
> + /* store the property value if successful */
> + if (!ret)
> + drm_object_property_set_value(&connector->base, property, value);
> + return ret;
> +}
> +
> +int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
> + void *data, struct drm_file *file_priv)
> +{
> + struct drm_mode_connector_set_property *conn_set_prop = data;
> + struct drm_mode_obj_set_property obj_set_prop = {
> + .value = conn_set_prop->value,
> + .prop_id = conn_set_prop->prop_id,
> + .obj_id = conn_set_prop->connector_id,
> + .obj_type = DRM_MODE_OBJECT_CONNECTOR
> + };
> +
> + /* It does all the locking and checking we need */
> + return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv);
> +}
> +
> +static struct drm_encoder *drm_connector_get_encoder(struct drm_connector *connector)
> +{
> + /* For atomic drivers only state objects are synchronously updated and
> + * protected by modeset locks, so check those first. */
> + if (connector->state)
> + return connector->state->best_encoder;
> + return connector->encoder;
> +}
> +
> +static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode,
> + const struct drm_file *file_priv)
> +{
> + /*
> + * If user-space hasn't configured the driver to expose the stereo 3D
> + * modes, don't expose them.
> + */
> + if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode))
> + return false;
> +
> + return true;
> +}
> +
> +int drm_mode_getconnector(struct drm_device *dev, void *data,
> + struct drm_file *file_priv)
> +{
> + struct drm_mode_get_connector *out_resp = data;
> + struct drm_connector *connector;
> + struct drm_encoder *encoder;
> + struct drm_display_mode *mode;
> + int mode_count = 0;
> + int encoders_count = 0;
> + int ret = 0;
> + int copied = 0;
> + int i;
> + struct drm_mode_modeinfo u_mode;
> + struct drm_mode_modeinfo __user *mode_ptr;
> + uint32_t __user *encoder_ptr;
> +
> + if (!drm_core_check_feature(dev, DRIVER_MODESET))
> + return -EINVAL;
> +
> + memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
> +
> + mutex_lock(&dev->mode_config.mutex);
> +
> + connector = drm_connector_lookup(dev, out_resp->connector_id);
> + if (!connector) {
> + ret = -ENOENT;
> + goto out_unlock;
> + }
> +
> + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++)
> + if (connector->encoder_ids[i] != 0)
> + encoders_count++;
> +
> + if (out_resp->count_modes == 0) {
> + connector->funcs->fill_modes(connector,
> + dev->mode_config.max_width,
> + dev->mode_config.max_height);
> + }
> +
> + /* delayed so we get modes regardless of pre-fill_modes state */
> + list_for_each_entry(mode, &connector->modes, head)
> + if (drm_mode_expose_to_userspace(mode, file_priv))
> + mode_count++;
> +
> + out_resp->connector_id = connector->base.id;
> + out_resp->connector_type = connector->connector_type;
> + out_resp->connector_type_id = connector->connector_type_id;
> + out_resp->mm_width = connector->display_info.width_mm;
> + out_resp->mm_height = connector->display_info.height_mm;
> + out_resp->subpixel = connector->display_info.subpixel_order;
> + out_resp->connection = connector->status;
> +
> + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
> + encoder = drm_connector_get_encoder(connector);
> + if (encoder)
> + out_resp->encoder_id = encoder->base.id;
> + else
> + out_resp->encoder_id = 0;
> +
> + /*
> + * This ioctl is called twice, once to determine how much space is
> + * needed, and the 2nd time to fill it.
> + */
> + if ((out_resp->count_modes >= mode_count) && mode_count) {
> + copied = 0;
> + mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr;
> + list_for_each_entry(mode, &connector->modes, head) {
> + if (!drm_mode_expose_to_userspace(mode, file_priv))
> + continue;
> +
> + drm_mode_convert_to_umode(&u_mode, mode);
> + if (copy_to_user(mode_ptr + copied,
> + &u_mode, sizeof(u_mode))) {
> + ret = -EFAULT;
> + goto out;
> + }
> + copied++;
> + }
> + }
> + out_resp->count_modes = mode_count;
> +
> + ret = drm_mode_object_get_properties(&connector->base, file_priv->atomic,
> + (uint32_t __user *)(unsigned long)(out_resp->props_ptr),
> + (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr),
> + &out_resp->count_props);
> + if (ret)
> + goto out;
> +
> + if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
> + copied = 0;
> + encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr);
> + for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
> + if (connector->encoder_ids[i] != 0) {
> + if (put_user(connector->encoder_ids[i],
> + encoder_ptr + copied)) {
> + ret = -EFAULT;
> + goto out;
> + }
> + copied++;
> + }
> + }
> + }
> + out_resp->count_encoders = encoders_count;
> +
> +out:
> + drm_modeset_unlock(&dev->mode_config.connection_mutex);
> +
> + drm_connector_unreference(connector);
> +out_unlock:
> + mutex_unlock(&dev->mode_config.mutex);
> +
> + return ret;
> +}
> +
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index 1f79f629de52..07eba82a9998 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -45,123 +45,15 @@
> #include "drm_crtc_internal.h"
> #include "drm_internal.h"
>
> -/* Avoid boilerplate. I'm tired of typing. */
> -#define DRM_ENUM_NAME_FN(fnname, list) \
> - const char *fnname(int val) \
> - { \
> - int i; \
> - for (i = 0; i < ARRAY_SIZE(list); i++) { \
> - if (list[i].type == val) \
> - return list[i].name; \
> - } \
> - return "(unknown)"; \
> - }
> -
> /*
> * Global properties
> */
> -static const struct drm_prop_enum_list drm_dpms_enum_list[] = {
> - { DRM_MODE_DPMS_ON, "On" },
> - { DRM_MODE_DPMS_STANDBY, "Standby" },
> - { DRM_MODE_DPMS_SUSPEND, "Suspend" },
> - { DRM_MODE_DPMS_OFF, "Off" }
> -};
> -
> -DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list)
> -
> static const struct drm_prop_enum_list drm_plane_type_enum_list[] = {
> { DRM_PLANE_TYPE_OVERLAY, "Overlay" },
> { DRM_PLANE_TYPE_PRIMARY, "Primary" },
> { DRM_PLANE_TYPE_CURSOR, "Cursor" },
> };
>
> -/*
> - * Optional properties
> - */
> -static const struct drm_prop_enum_list drm_scaling_mode_enum_list[] = {
> - { DRM_MODE_SCALE_NONE, "None" },
> - { DRM_MODE_SCALE_FULLSCREEN, "Full" },
> - { DRM_MODE_SCALE_CENTER, "Center" },
> - { DRM_MODE_SCALE_ASPECT, "Full aspect" },
> -};
> -
> -static const struct drm_prop_enum_list drm_aspect_ratio_enum_list[] = {
> - { DRM_MODE_PICTURE_ASPECT_NONE, "Automatic" },
> - { DRM_MODE_PICTURE_ASPECT_4_3, "4:3" },
> - { DRM_MODE_PICTURE_ASPECT_16_9, "16:9" },
> -};
> -
> -/*
> - * Non-global properties, but "required" for certain connectors.
> - */
> -static const struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = {
> - { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
> - { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
> - { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
> -};
> -
> -DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list)
> -
> -static const struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = {
> - { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
> - { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
> - { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
> -};
> -
> -DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name,
> - drm_dvi_i_subconnector_enum_list)
> -
> -static const struct drm_prop_enum_list drm_tv_select_enum_list[] = {
> - { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
> - { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
> - { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
> - { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
> - { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
> -};
> -
> -DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
> -
> -static const struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = {
> - { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
> - { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
> - { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
> - { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
> - { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
> -};
> -
> -DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name,
> - drm_tv_subconnector_enum_list)
> -
> -struct drm_conn_prop_enum_list {
> - int type;
> - const char *name;
> - struct ida ida;
> -};
> -
> -/*
> - * Connector and encoder types.
> - */
> -static struct drm_conn_prop_enum_list drm_connector_enum_list[] = {
> - { DRM_MODE_CONNECTOR_Unknown, "Unknown" },
> - { DRM_MODE_CONNECTOR_VGA, "VGA" },
> - { DRM_MODE_CONNECTOR_DVII, "DVI-I" },
> - { DRM_MODE_CONNECTOR_DVID, "DVI-D" },
> - { DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
> - { DRM_MODE_CONNECTOR_Composite, "Composite" },
> - { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO" },
> - { DRM_MODE_CONNECTOR_LVDS, "LVDS" },
> - { DRM_MODE_CONNECTOR_Component, "Component" },
> - { DRM_MODE_CONNECTOR_9PinDIN, "DIN" },
> - { DRM_MODE_CONNECTOR_DisplayPort, "DP" },
> - { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
> - { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
> - { DRM_MODE_CONNECTOR_TV, "TV" },
> - { DRM_MODE_CONNECTOR_eDP, "eDP" },
> - { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" },
> - { DRM_MODE_CONNECTOR_DSI, "DSI" },
> - { DRM_MODE_CONNECTOR_DPI, "DPI" },
> -};
> -
> static const struct drm_prop_enum_list drm_encoder_enum_list[] = {
> { DRM_MODE_ENCODER_NONE, "None" },
> { DRM_MODE_ENCODER_DAC, "DAC" },
> @@ -174,62 +66,9 @@ static const struct drm_prop_enum_list drm_encoder_enum_list[] = {
> { DRM_MODE_ENCODER_DPI, "DPI" },
> };
>
> -static const struct drm_prop_enum_list drm_subpixel_enum_list[] = {
> - { SubPixelUnknown, "Unknown" },
> - { SubPixelHorizontalRGB, "Horizontal RGB" },
> - { SubPixelHorizontalBGR, "Horizontal BGR" },
> - { SubPixelVerticalRGB, "Vertical RGB" },
> - { SubPixelVerticalBGR, "Vertical BGR" },
> - { SubPixelNone, "None" },
> -};
> -
> -void drm_connector_ida_init(void)
> -{
> - int i;
> -
> - for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++)
> - ida_init(&drm_connector_enum_list[i].ida);
> -}
> -
> -void drm_connector_ida_destroy(void)
> -{
> - int i;
> -
> - for (i = 0; i < ARRAY_SIZE(drm_connector_enum_list); i++)
> - ida_destroy(&drm_connector_enum_list[i].ida);
> -}
> -
> -/**
> - * drm_get_connector_status_name - return a string for connector status
> - * @status: connector status to compute name of
> - *
> - * In contrast to the other drm_get_*_name functions this one here returns a
> - * const pointer and hence is threadsafe.
> - */
> -const char *drm_get_connector_status_name(enum drm_connector_status status)
> -{
> - if (status == connector_status_connected)
> - return "connected";
> - else if (status == connector_status_disconnected)
> - return "disconnected";
> - else
> - return "unknown";
> -}
> -EXPORT_SYMBOL(drm_get_connector_status_name);
> -
> -/**
> - * drm_get_subpixel_order_name - return a string for a given subpixel enum
> - * @order: enum of subpixel_order
> - *
> - * Note you could abuse this and return something out of bounds, but that
> - * would be a caller error. No unscrubbed user data should make it here.
> +/*
> + * Optional properties
> */
> -const char *drm_get_subpixel_order_name(enum subpixel_order order)
> -{
> - return drm_subpixel_enum_list[order].name;
> -}
> -EXPORT_SYMBOL(drm_get_subpixel_order_name);
> -
> /*
> * Internal function to assign a slot in the object idr and optionally
> * register the object into the idr.
> @@ -580,20 +419,6 @@ void drm_crtc_cleanup(struct drm_crtc *crtc)
> }
> EXPORT_SYMBOL(drm_crtc_cleanup);
>
> -/*
> - * drm_mode_remove - remove and free a mode
> - * @connector: connector list to modify
> - * @mode: mode to remove
> - *
> - * Remove @mode from @connector's mode list, then free it.
> - */
> -static void drm_mode_remove(struct drm_connector *connector,
> - struct drm_display_mode *mode)
> -{
> - list_del(&mode->head);
> - drm_mode_destroy(connector->dev, mode);
> -}
> -
> /**
> * drm_display_info_set_bus_formats - set the supported bus formats
> * @info: display info to store bus formats in
> @@ -628,312 +453,6 @@ int drm_display_info_set_bus_formats(struct drm_display_info *info,
> }
> EXPORT_SYMBOL(drm_display_info_set_bus_formats);
>
> -/**
> - * drm_connector_get_cmdline_mode - reads the user's cmdline mode
> - * @connector: connector to quwery
> - *
> - * The kernel supports per-connector configration of its consoles through
> - * use of the video= parameter. This function parses that option and
> - * extracts the user's specified mode (or enable/disable status) for a
> - * particular connector. This is typically only used during the early fbdev
> - * setup.
> - */
> -static void drm_connector_get_cmdline_mode(struct drm_connector *connector)
> -{
> - struct drm_cmdline_mode *mode = &connector->cmdline_mode;
> - char *option = NULL;
> -
> - if (fb_get_options(connector->name, &option))
> - return;
> -
> - if (!drm_mode_parse_command_line_for_connector(option,
> - connector,
> - mode))
> - return;
> -
> - if (mode->force) {
> - const char *s;
> -
> - switch (mode->force) {
> - case DRM_FORCE_OFF:
> - s = "OFF";
> - break;
> - case DRM_FORCE_ON_DIGITAL:
> - s = "ON - dig";
> - break;
> - default:
> - case DRM_FORCE_ON:
> - s = "ON";
> - break;
> - }
> -
> - DRM_INFO("forcing %s connector %s\n", connector->name, s);
> - connector->force = mode->force;
> - }
> -
> - DRM_DEBUG_KMS("cmdline mode for connector %s %dx%d@%dHz%s%s%s\n",
> - connector->name,
> - mode->xres, mode->yres,
> - mode->refresh_specified ? mode->refresh : 60,
> - mode->rb ? " reduced blanking" : "",
> - mode->margins ? " with margins" : "",
> - mode->interlace ? " interlaced" : "");
> -}
> -
> -static void drm_connector_free(struct kref *kref)
> -{
> - struct drm_connector *connector =
> - container_of(kref, struct drm_connector, base.refcount);
> - struct drm_device *dev = connector->dev;
> -
> - drm_mode_object_unregister(dev, &connector->base);
> - connector->funcs->destroy(connector);
> -}
> -
> -/**
> - * drm_connector_init - Init a preallocated connector
> - * @dev: DRM device
> - * @connector: the connector to init
> - * @funcs: callbacks for this connector
> - * @connector_type: user visible type of the connector
> - *
> - * Initialises a preallocated connector. Connectors should be
> - * subclassed as part of driver connector objects.
> - *
> - * Returns:
> - * Zero on success, error code on failure.
> - */
> -int drm_connector_init(struct drm_device *dev,
> - struct drm_connector *connector,
> - const struct drm_connector_funcs *funcs,
> - int connector_type)
> -{
> - struct drm_mode_config *config = &dev->mode_config;
> - int ret;
> - struct ida *connector_ida =
> - &drm_connector_enum_list[connector_type].ida;
> -
> - drm_modeset_lock_all(dev);
> -
> - ret = drm_mode_object_get_reg(dev, &connector->base,
> - DRM_MODE_OBJECT_CONNECTOR,
> - false, drm_connector_free);
> - if (ret)
> - goto out_unlock;
> -
> - connector->base.properties = &connector->properties;
> - connector->dev = dev;
> - connector->funcs = funcs;
> -
> - ret = ida_simple_get(&config->connector_ida, 0, 0, GFP_KERNEL);
> - if (ret < 0)
> - goto out_put;
> - connector->index = ret;
> - ret = 0;
> -
> - connector->connector_type = connector_type;
> - connector->connector_type_id =
> - ida_simple_get(connector_ida, 1, 0, GFP_KERNEL);
> - if (connector->connector_type_id < 0) {
> - ret = connector->connector_type_id;
> - goto out_put_id;
> - }
> - connector->name =
> - kasprintf(GFP_KERNEL, "%s-%d",
> - drm_connector_enum_list[connector_type].name,
> - connector->connector_type_id);
> - if (!connector->name) {
> - ret = -ENOMEM;
> - goto out_put_type_id;
> - }
> -
> - INIT_LIST_HEAD(&connector->probed_modes);
> - INIT_LIST_HEAD(&connector->modes);
> - connector->edid_blob_ptr = NULL;
> - connector->status = connector_status_unknown;
> -
> - drm_connector_get_cmdline_mode(connector);
> -
> - /* We should add connectors at the end to avoid upsetting the connector
> - * index too much. */
> - list_add_tail(&connector->head, &config->connector_list);
> - config->num_connector++;
> -
> - if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL)
> - drm_object_attach_property(&connector->base,
> - config->edid_property,
> - 0);
> -
> - drm_object_attach_property(&connector->base,
> - config->dpms_property, 0);
> -
> - if (drm_core_check_feature(dev, DRIVER_ATOMIC)) {
> - drm_object_attach_property(&connector->base, config->prop_crtc_id, 0);
> - }
> -
> - connector->debugfs_entry = NULL;
> -out_put_type_id:
> - if (ret)
> - ida_remove(connector_ida, connector->connector_type_id);
> -out_put_id:
> - if (ret)
> - ida_remove(&config->connector_ida, connector->index);
> -out_put:
> - if (ret)
> - drm_mode_object_unregister(dev, &connector->base);
> -
> -out_unlock:
> - drm_modeset_unlock_all(dev);
> -
> - return ret;
> -}
> -EXPORT_SYMBOL(drm_connector_init);
> -
> -/**
> - * drm_connector_cleanup - cleans up an initialised connector
> - * @connector: connector to cleanup
> - *
> - * Cleans up the connector but doesn't free the object.
> - */
> -void drm_connector_cleanup(struct drm_connector *connector)
> -{
> - struct drm_device *dev = connector->dev;
> - struct drm_display_mode *mode, *t;
> -
> - /* The connector should have been removed from userspace long before
> - * it is finally destroyed.
> - */
> - if (WARN_ON(connector->registered))
> - drm_connector_unregister(connector);
> -
> - if (connector->tile_group) {
> - drm_mode_put_tile_group(dev, connector->tile_group);
> - connector->tile_group = NULL;
> - }
> -
> - list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
> - drm_mode_remove(connector, mode);
> -
> - list_for_each_entry_safe(mode, t, &connector->modes, head)
> - drm_mode_remove(connector, mode);
> -
> - ida_remove(&drm_connector_enum_list[connector->connector_type].ida,
> - connector->connector_type_id);
> -
> - ida_remove(&dev->mode_config.connector_ida,
> - connector->index);
> -
> - kfree(connector->display_info.bus_formats);
> - drm_mode_object_unregister(dev, &connector->base);
> - kfree(connector->name);
> - connector->name = NULL;
> - list_del(&connector->head);
> - dev->mode_config.num_connector--;
> -
> - WARN_ON(connector->state && !connector->funcs->atomic_destroy_state);
> - if (connector->state && connector->funcs->atomic_destroy_state)
> - connector->funcs->atomic_destroy_state(connector,
> - connector->state);
> -
> - memset(connector, 0, sizeof(*connector));
> -}
> -EXPORT_SYMBOL(drm_connector_cleanup);
> -
> -/**
> - * drm_connector_register - register a connector
> - * @connector: the connector to register
> - *
> - * Register userspace interfaces for a connector
> - *
> - * Returns:
> - * Zero on success, error code on failure.
> - */
> -int drm_connector_register(struct drm_connector *connector)
> -{
> - int ret;
> -
> - if (connector->registered)
> - return 0;
> -
> - ret = drm_sysfs_connector_add(connector);
> - if (ret)
> - return ret;
> -
> - ret = drm_debugfs_connector_add(connector);
> - if (ret) {
> - goto err_sysfs;
> - }
> -
> - if (connector->funcs->late_register) {
> - ret = connector->funcs->late_register(connector);
> - if (ret)
> - goto err_debugfs;
> - }
> -
> - drm_mode_object_register(connector->dev, &connector->base);
> -
> - connector->registered = true;
> - return 0;
> -
> -err_debugfs:
> - drm_debugfs_connector_remove(connector);
> -err_sysfs:
> - drm_sysfs_connector_remove(connector);
> - return ret;
> -}
> -EXPORT_SYMBOL(drm_connector_register);
> -
> -/**
> - * drm_connector_unregister - unregister a connector
> - * @connector: the connector to unregister
> - *
> - * Unregister userspace interfaces for a connector
> - */
> -void drm_connector_unregister(struct drm_connector *connector)
> -{
> - if (!connector->registered)
> - return;
> -
> - if (connector->funcs->early_unregister)
> - connector->funcs->early_unregister(connector);
> -
> - drm_sysfs_connector_remove(connector);
> - drm_debugfs_connector_remove(connector);
> -
> - connector->registered = false;
> -}
> -EXPORT_SYMBOL(drm_connector_unregister);
> -
> -static void drm_connector_unregister_all(struct drm_device *dev)
> -{
> - struct drm_connector *connector;
> -
> - /* FIXME: taking the mode config mutex ends up in a clash with sysfs */
> - list_for_each_entry(connector, &dev->mode_config.connector_list, head)
> - drm_connector_unregister(connector);
> -}
> -
> -static int drm_connector_register_all(struct drm_device *dev)
> -{
> - struct drm_connector *connector;
> - int ret;
> -
> - /* FIXME: taking the mode config mutex ends up in a clash with
> - * fbcon/backlight registration */
> - list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
> - ret = drm_connector_register(connector);
> - if (ret)
> - goto err;
> - }
> -
> - return 0;
> -
> -err:
> - mutex_unlock(&dev->mode_config.mutex);
> - drm_connector_unregister_all(dev);
> - return ret;
> -}
> -
> static int drm_encoder_register_all(struct drm_device *dev)
> {
> struct drm_encoder *encoder;
> @@ -1337,39 +856,11 @@ void drm_modeset_unregister_all(struct drm_device *dev)
> static int drm_mode_create_standard_properties(struct drm_device *dev)
> {
> struct drm_property *prop;
> + int ret;
>
> - /*
> - * Standard properties (apply to all connectors)
> - */
> - prop = drm_property_create(dev, DRM_MODE_PROP_BLOB |
> - DRM_MODE_PROP_IMMUTABLE,
> - "EDID", 0);
> - if (!prop)
> - return -ENOMEM;
> - dev->mode_config.edid_property = prop;
> -
> - prop = drm_property_create_enum(dev, 0,
> - "DPMS", drm_dpms_enum_list,
> - ARRAY_SIZE(drm_dpms_enum_list));
> - if (!prop)
> - return -ENOMEM;
> - dev->mode_config.dpms_property = prop;
> -
> - prop = drm_property_create(dev,
> - DRM_MODE_PROP_BLOB |
> - DRM_MODE_PROP_IMMUTABLE,
> - "PATH", 0);
> - if (!prop)
> - return -ENOMEM;
> - dev->mode_config.path_property = prop;
> -
> - prop = drm_property_create(dev,
> - DRM_MODE_PROP_BLOB |
> - DRM_MODE_PROP_IMMUTABLE,
> - "TILE", 0);
> - if (!prop)
> - return -ENOMEM;
> - dev->mode_config.tile_property = prop;
> + ret = drm_connector_create_standard_properties(dev);
> + if (ret)
> + return ret;
>
> prop = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
> "type", drm_plane_type_enum_list,
> @@ -1490,225 +981,6 @@ static int drm_mode_create_standard_properties(struct drm_device *dev)
> }
>
> /**
> - * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
> - * @dev: DRM device
> - *
> - * Called by a driver the first time a DVI-I connector is made.
> - */
> -int drm_mode_create_dvi_i_properties(struct drm_device *dev)
> -{
> - struct drm_property *dvi_i_selector;
> - struct drm_property *dvi_i_subconnector;
> -
> - if (dev->mode_config.dvi_i_select_subconnector_property)
> - return 0;
> -
> - dvi_i_selector =
> - drm_property_create_enum(dev, 0,
> - "select subconnector",
> - drm_dvi_i_select_enum_list,
> - ARRAY_SIZE(drm_dvi_i_select_enum_list));
> - dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
> -
> - dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
> - "subconnector",
> - drm_dvi_i_subconnector_enum_list,
> - ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
> - dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
> -
> - return 0;
> -}
> -EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
> -
> -/**
> - * drm_create_tv_properties - create TV specific connector properties
> - * @dev: DRM device
> - * @num_modes: number of different TV formats (modes) supported
> - * @modes: array of pointers to strings containing name of each format
> - *
> - * Called by a driver's TV initialization routine, this function creates
> - * the TV specific connector properties for a given device. Caller is
> - * responsible for allocating a list of format names and passing them to
> - * this routine.
> - */
> -int drm_mode_create_tv_properties(struct drm_device *dev,
> - unsigned int num_modes,
> - const char * const modes[])
> -{
> - struct drm_property *tv_selector;
> - struct drm_property *tv_subconnector;
> - unsigned int i;
> -
> - if (dev->mode_config.tv_select_subconnector_property)
> - return 0;
> -
> - /*
> - * Basic connector properties
> - */
> - tv_selector = drm_property_create_enum(dev, 0,
> - "select subconnector",
> - drm_tv_select_enum_list,
> - ARRAY_SIZE(drm_tv_select_enum_list));
> - if (!tv_selector)
> - goto nomem;
> -
> - dev->mode_config.tv_select_subconnector_property = tv_selector;
> -
> - tv_subconnector =
> - drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
> - "subconnector",
> - drm_tv_subconnector_enum_list,
> - ARRAY_SIZE(drm_tv_subconnector_enum_list));
> - if (!tv_subconnector)
> - goto nomem;
> - dev->mode_config.tv_subconnector_property = tv_subconnector;
> -
> - /*
> - * Other, TV specific properties: margins & TV modes.
> - */
> - dev->mode_config.tv_left_margin_property =
> - drm_property_create_range(dev, 0, "left margin", 0, 100);
> - if (!dev->mode_config.tv_left_margin_property)
> - goto nomem;
> -
> - dev->mode_config.tv_right_margin_property =
> - drm_property_create_range(dev, 0, "right margin", 0, 100);
> - if (!dev->mode_config.tv_right_margin_property)
> - goto nomem;
> -
> - dev->mode_config.tv_top_margin_property =
> - drm_property_create_range(dev, 0, "top margin", 0, 100);
> - if (!dev->mode_config.tv_top_margin_property)
> - goto nomem;
> -
> - dev->mode_config.tv_bottom_margin_property =
> - drm_property_create_range(dev, 0, "bottom margin", 0, 100);
> - if (!dev->mode_config.tv_bottom_margin_property)
> - goto nomem;
> -
> - dev->mode_config.tv_mode_property =
> - drm_property_create(dev, DRM_MODE_PROP_ENUM,
> - "mode", num_modes);
> - if (!dev->mode_config.tv_mode_property)
> - goto nomem;
> -
> - for (i = 0; i < num_modes; i++)
> - drm_property_add_enum(dev->mode_config.tv_mode_property, i,
> - i, modes[i]);
> -
> - dev->mode_config.tv_brightness_property =
> - drm_property_create_range(dev, 0, "brightness", 0, 100);
> - if (!dev->mode_config.tv_brightness_property)
> - goto nomem;
> -
> - dev->mode_config.tv_contrast_property =
> - drm_property_create_range(dev, 0, "contrast", 0, 100);
> - if (!dev->mode_config.tv_contrast_property)
> - goto nomem;
> -
> - dev->mode_config.tv_flicker_reduction_property =
> - drm_property_create_range(dev, 0, "flicker reduction", 0, 100);
> - if (!dev->mode_config.tv_flicker_reduction_property)
> - goto nomem;
> -
> - dev->mode_config.tv_overscan_property =
> - drm_property_create_range(dev, 0, "overscan", 0, 100);
> - if (!dev->mode_config.tv_overscan_property)
> - goto nomem;
> -
> - dev->mode_config.tv_saturation_property =
> - drm_property_create_range(dev, 0, "saturation", 0, 100);
> - if (!dev->mode_config.tv_saturation_property)
> - goto nomem;
> -
> - dev->mode_config.tv_hue_property =
> - drm_property_create_range(dev, 0, "hue", 0, 100);
> - if (!dev->mode_config.tv_hue_property)
> - goto nomem;
> -
> - return 0;
> -nomem:
> - return -ENOMEM;
> -}
> -EXPORT_SYMBOL(drm_mode_create_tv_properties);
> -
> -/**
> - * drm_mode_create_scaling_mode_property - create scaling mode property
> - * @dev: DRM device
> - *
> - * Called by a driver the first time it's needed, must be attached to desired
> - * connectors.
> - */
> -int drm_mode_create_scaling_mode_property(struct drm_device *dev)
> -{
> - struct drm_property *scaling_mode;
> -
> - if (dev->mode_config.scaling_mode_property)
> - return 0;
> -
> - scaling_mode =
> - drm_property_create_enum(dev, 0, "scaling mode",
> - drm_scaling_mode_enum_list,
> - ARRAY_SIZE(drm_scaling_mode_enum_list));
> -
> - dev->mode_config.scaling_mode_property = scaling_mode;
> -
> - return 0;
> -}
> -EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
> -
> -/**
> - * drm_mode_create_aspect_ratio_property - create aspect ratio property
> - * @dev: DRM device
> - *
> - * Called by a driver the first time it's needed, must be attached to desired
> - * connectors.
> - *
> - * Returns:
> - * Zero on success, negative errno on failure.
> - */
> -int drm_mode_create_aspect_ratio_property(struct drm_device *dev)
> -{
> - if (dev->mode_config.aspect_ratio_property)
> - return 0;
> -
> - dev->mode_config.aspect_ratio_property =
> - drm_property_create_enum(dev, 0, "aspect ratio",
> - drm_aspect_ratio_enum_list,
> - ARRAY_SIZE(drm_aspect_ratio_enum_list));
> -
> - if (dev->mode_config.aspect_ratio_property == NULL)
> - return -ENOMEM;
> -
> - return 0;
> -}
> -EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property);
> -
> -/**
> - * drm_mode_create_suggested_offset_properties - create suggests offset properties
> - * @dev: DRM device
> - *
> - * Create the the suggested x/y offset property for connectors.
> - */
> -int drm_mode_create_suggested_offset_properties(struct drm_device *dev)
> -{
> - if (dev->mode_config.suggested_x_property && dev->mode_config.suggested_y_property)
> - return 0;
> -
> - dev->mode_config.suggested_x_property =
> - drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested X", 0, 0xffffffff);
> -
> - dev->mode_config.suggested_y_property =
> - drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, "suggested Y", 0, 0xffffffff);
> -
> - if (dev->mode_config.suggested_x_property == NULL ||
> - dev->mode_config.suggested_y_property == NULL)
> - return -ENOMEM;
> - return 0;
> -}
> -EXPORT_SYMBOL(drm_mode_create_suggested_offset_properties);
> -
> -/**
> * drm_mode_getresources - get graphics configuration
> * @dev: drm device for the ioctl
> * @data: data pointer for the ioctl
> @@ -1890,32 +1162,11 @@ int drm_mode_getcrtc(struct drm_device *dev,
> return 0;
> }
>
> -static bool drm_mode_expose_to_userspace(const struct drm_display_mode *mode,
> - const struct drm_file *file_priv)
> -{
> - /*
> - * If user-space hasn't configured the driver to expose the stereo 3D
> - * modes, don't expose them.
> - */
> - if (!file_priv->stereo_allowed && drm_mode_is_stereo(mode))
> - return false;
> -
> - return true;
> -}
> -
> -static struct drm_encoder *drm_connector_get_encoder(struct drm_connector *connector)
> -{
> - /* For atomic drivers only state objects are synchronously updated and
> - * protected by modeset locks, so check those first. */
> - if (connector->state)
> - return connector->state->best_encoder;
> - return connector->encoder;
> -}
> -
> /* helper for getconnector and getproperties ioctls */
> -static int get_properties(struct drm_mode_object *obj, bool atomic,
> - uint32_t __user *prop_ptr, uint64_t __user *prop_values,
> - uint32_t *arg_count_props)
> +int drm_mode_object_get_properties(struct drm_mode_object *obj, bool atomic,
> + uint32_t __user *prop_ptr,
> + uint64_t __user *prop_values,
> + uint32_t *arg_count_props)
> {
> int props_count;
> int i, ret, copied;
> @@ -1950,133 +1201,6 @@ static int get_properties(struct drm_mode_object *obj, bool atomic,
> return 0;
> }
>
> -/**
> - * drm_mode_getconnector - get connector configuration
> - * @dev: drm device for the ioctl
> - * @data: data pointer for the ioctl
> - * @file_priv: drm file for the ioctl call
> - *
> - * Construct a connector configuration structure to return to the user.
> - *
> - * Called by the user via ioctl.
> - *
> - * Returns:
> - * Zero on success, negative errno on failure.
> - */
> -int drm_mode_getconnector(struct drm_device *dev, void *data,
> - struct drm_file *file_priv)
> -{
> - struct drm_mode_get_connector *out_resp = data;
> - struct drm_connector *connector;
> - struct drm_encoder *encoder;
> - struct drm_display_mode *mode;
> - int mode_count = 0;
> - int encoders_count = 0;
> - int ret = 0;
> - int copied = 0;
> - int i;
> - struct drm_mode_modeinfo u_mode;
> - struct drm_mode_modeinfo __user *mode_ptr;
> - uint32_t __user *encoder_ptr;
> -
> - if (!drm_core_check_feature(dev, DRIVER_MODESET))
> - return -EINVAL;
> -
> - memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
> -
> - mutex_lock(&dev->mode_config.mutex);
> -
> - connector = drm_connector_lookup(dev, out_resp->connector_id);
> - if (!connector) {
> - ret = -ENOENT;
> - goto out_unlock;
> - }
> -
> - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++)
> - if (connector->encoder_ids[i] != 0)
> - encoders_count++;
> -
> - if (out_resp->count_modes == 0) {
> - connector->funcs->fill_modes(connector,
> - dev->mode_config.max_width,
> - dev->mode_config.max_height);
> - }
> -
> - /* delayed so we get modes regardless of pre-fill_modes state */
> - list_for_each_entry(mode, &connector->modes, head)
> - if (drm_mode_expose_to_userspace(mode, file_priv))
> - mode_count++;
> -
> - out_resp->connector_id = connector->base.id;
> - out_resp->connector_type = connector->connector_type;
> - out_resp->connector_type_id = connector->connector_type_id;
> - out_resp->mm_width = connector->display_info.width_mm;
> - out_resp->mm_height = connector->display_info.height_mm;
> - out_resp->subpixel = connector->display_info.subpixel_order;
> - out_resp->connection = connector->status;
> -
> - drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
> - encoder = drm_connector_get_encoder(connector);
> - if (encoder)
> - out_resp->encoder_id = encoder->base.id;
> - else
> - out_resp->encoder_id = 0;
> -
> - /*
> - * This ioctl is called twice, once to determine how much space is
> - * needed, and the 2nd time to fill it.
> - */
> - if ((out_resp->count_modes >= mode_count) && mode_count) {
> - copied = 0;
> - mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr;
> - list_for_each_entry(mode, &connector->modes, head) {
> - if (!drm_mode_expose_to_userspace(mode, file_priv))
> - continue;
> -
> - drm_mode_convert_to_umode(&u_mode, mode);
> - if (copy_to_user(mode_ptr + copied,
> - &u_mode, sizeof(u_mode))) {
> - ret = -EFAULT;
> - goto out;
> - }
> - copied++;
> - }
> - }
> - out_resp->count_modes = mode_count;
> -
> - ret = get_properties(&connector->base, file_priv->atomic,
> - (uint32_t __user *)(unsigned long)(out_resp->props_ptr),
> - (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr),
> - &out_resp->count_props);
> - if (ret)
> - goto out;
> -
> - if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
> - copied = 0;
> - encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr);
> - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
> - if (connector->encoder_ids[i] != 0) {
> - if (put_user(connector->encoder_ids[i],
> - encoder_ptr + copied)) {
> - ret = -EFAULT;
> - goto out;
> - }
> - copied++;
> - }
> - }
> - }
> - out_resp->count_encoders = encoders_count;
> -
> -out:
> - drm_modeset_unlock(&dev->mode_config.connection_mutex);
> -
> - drm_connector_unreference(connector);
> -out_unlock:
> - mutex_unlock(&dev->mode_config.mutex);
> -
> - return ret;
> -}
> -
> static struct drm_crtc *drm_encoder_get_crtc(struct drm_encoder *encoder)
> {
> struct drm_connector *connector;
> @@ -3954,113 +3078,6 @@ err:
> return ret;
> }
>
> -/**
> - * drm_mode_connector_set_path_property - set tile property on connector
> - * @connector: connector to set property on.
> - * @path: path to use for property; must not be NULL.
> - *
> - * This creates a property to expose to userspace to specify a
> - * connector path. This is mainly used for DisplayPort MST where
> - * connectors have a topology and we want to allow userspace to give
> - * them more meaningful names.
> - *
> - * Returns:
> - * Zero on success, negative errno on failure.
> - */
> -int drm_mode_connector_set_path_property(struct drm_connector *connector,
> - const char *path)
> -{
> - struct drm_device *dev = connector->dev;
> - int ret;
> -
> - ret = drm_property_replace_global_blob(dev,
> - &connector->path_blob_ptr,
> - strlen(path) + 1,
> - path,
> - &connector->base,
> - dev->mode_config.path_property);
> - return ret;
> -}
> -EXPORT_SYMBOL(drm_mode_connector_set_path_property);
> -
> -/**
> - * drm_mode_connector_set_tile_property - set tile property on connector
> - * @connector: connector to set property on.
> - *
> - * This looks up the tile information for a connector, and creates a
> - * property for userspace to parse if it exists. The property is of
> - * the form of 8 integers using ':' as a separator.
> - *
> - * Returns:
> - * Zero on success, errno on failure.
> - */
> -int drm_mode_connector_set_tile_property(struct drm_connector *connector)
> -{
> - struct drm_device *dev = connector->dev;
> - char tile[256];
> - int ret;
> -
> - if (!connector->has_tile) {
> - ret = drm_property_replace_global_blob(dev,
> - &connector->tile_blob_ptr,
> - 0,
> - NULL,
> - &connector->base,
> - dev->mode_config.tile_property);
> - return ret;
> - }
> -
> - snprintf(tile, 256, "%d:%d:%d:%d:%d:%d:%d:%d",
> - connector->tile_group->id, connector->tile_is_single_monitor,
> - connector->num_h_tile, connector->num_v_tile,
> - connector->tile_h_loc, connector->tile_v_loc,
> - connector->tile_h_size, connector->tile_v_size);
> -
> - ret = drm_property_replace_global_blob(dev,
> - &connector->tile_blob_ptr,
> - strlen(tile) + 1,
> - tile,
> - &connector->base,
> - dev->mode_config.tile_property);
> - return ret;
> -}
> -EXPORT_SYMBOL(drm_mode_connector_set_tile_property);
> -
> -/**
> - * drm_mode_connector_update_edid_property - update the edid property of a connector
> - * @connector: drm connector
> - * @edid: new value of the edid property
> - *
> - * This function creates a new blob modeset object and assigns its id to the
> - * connector's edid property.
> - *
> - * Returns:
> - * Zero on success, negative errno on failure.
> - */
> -int drm_mode_connector_update_edid_property(struct drm_connector *connector,
> - const struct edid *edid)
> -{
> - struct drm_device *dev = connector->dev;
> - size_t size = 0;
> - int ret;
> -
> - /* ignore requests to set edid when overridden */
> - if (connector->override_edid)
> - return 0;
> -
> - if (edid)
> - size = EDID_LENGTH * (1 + edid->extensions);
> -
> - ret = drm_property_replace_global_blob(dev,
> - &connector->edid_blob_ptr,
> - size,
> - edid,
> - &connector->base,
> - dev->mode_config.edid_property);
> - return ret;
> -}
> -EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
> -
> /* Some properties could refer to dynamic refcnt'd objects, or things that
> * need special locking to handle lifetime issues (ie. to ensure the prop
> * value doesn't become invalid part way through the property update due to
> @@ -4137,54 +3154,6 @@ void drm_property_change_valid_put(struct drm_property *property,
> drm_property_unreference_blob(obj_to_blob(ref));
> }
>
> -/**
> - * drm_mode_connector_property_set_ioctl - set the current value of a connector property
> - * @dev: DRM device
> - * @data: ioctl data
> - * @file_priv: DRM file info
> - *
> - * This function sets the current value for a connectors's property. It also
> - * calls into a driver's ->set_property callback to update the hardware state
> - *
> - * Called by the user via ioctl.
> - *
> - * Returns:
> - * Zero on success, negative errno on failure.
> - */
> -int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
> - void *data, struct drm_file *file_priv)
> -{
> - struct drm_mode_connector_set_property *conn_set_prop = data;
> - struct drm_mode_obj_set_property obj_set_prop = {
> - .value = conn_set_prop->value,
> - .prop_id = conn_set_prop->prop_id,
> - .obj_id = conn_set_prop->connector_id,
> - .obj_type = DRM_MODE_OBJECT_CONNECTOR
> - };
> -
> - /* It does all the locking and checking we need */
> - return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv);
> -}
> -
> -static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj,
> - struct drm_property *property,
> - uint64_t value)
> -{
> - int ret = -EINVAL;
> - struct drm_connector *connector = obj_to_connector(obj);
> -
> - /* Do DPMS ourselves */
> - if (property == connector->dev->mode_config.dpms_property) {
> - ret = (*connector->funcs->dpms)(connector, (int)value);
> - } else if (connector->funcs->set_property)
> - ret = connector->funcs->set_property(connector, property, value);
> -
> - /* store the property value if successful */
> - if (!ret)
> - drm_object_property_set_value(&connector->base, property, value);
> - return ret;
> -}
> -
> static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
> struct drm_property *property,
> uint64_t value)
> @@ -4266,7 +3235,7 @@ int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
> goto out_unref;
> }
>
> - ret = get_properties(obj, file_priv->atomic,
> + ret = drm_mode_object_get_properties(obj, file_priv->atomic,
> (uint32_t __user *)(unsigned long)(arg->props_ptr),
> (uint64_t __user *)(unsigned long)(arg->prop_values_ptr),
> &arg->count_props);
> @@ -4278,22 +3247,6 @@ out:
> return ret;
> }
>
> -/**
> - * drm_mode_obj_set_property_ioctl - set the current value of an object's property
> - * @dev: DRM device
> - * @data: ioctl data
> - * @file_priv: DRM file info
> - *
> - * This function sets the current value for an object's property. It also calls
> - * into a driver's ->set_property callback to update the hardware state.
> - * Compared to the connector specific ioctl this one is extended to also work on
> - * crtc and plane objects.
> - *
> - * Called by the user via ioctl.
> - *
> - * Returns:
> - * Zero on success, negative errno on failure.
> - */
> int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file_priv)
> {
> @@ -4359,47 +3312,6 @@ out:
> }
>
> /**
> - * drm_mode_connector_attach_encoder - attach a connector to an encoder
> - * @connector: connector to attach
> - * @encoder: encoder to attach @connector to
> - *
> - * This function links up a connector to an encoder. Note that the routing
> - * restrictions between encoders and crtcs are exposed to userspace through the
> - * possible_clones and possible_crtcs bitmasks.
> - *
> - * Returns:
> - * Zero on success, negative errno on failure.
> - */
> -int drm_mode_connector_attach_encoder(struct drm_connector *connector,
> - struct drm_encoder *encoder)
> -{
> - int i;
> -
> - /*
> - * In the past, drivers have attempted to model the static association
> - * of connector to encoder in simple connector/encoder devices using a
> - * direct assignment of connector->encoder = encoder. This connection
> - * is a logical one and the responsibility of the core, so drivers are
> - * expected not to mess with this.
> - *
> - * Note that the error return should've been enough here, but a large
> - * majority of drivers ignores the return value, so add in a big WARN
> - * to get people's attention.
> - */
> - if (WARN_ON(connector->encoder))
> - return -EINVAL;
> -
> - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
> - if (connector->encoder_ids[i] == 0) {
> - connector->encoder_ids[i] = encoder->base.id;
> - return 0;
> - }
> - }
> - return -ENOMEM;
> -}
> -EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
> -
> -/**
> * drm_mode_crtc_set_gamma_size - set the gamma table size
> * @crtc: CRTC to set the gamma table size for
> * @gamma_size: size of the gamma table
> diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
> index 5f1e9ff71ae4..7725d0fa7877 100644
> --- a/drivers/gpu/drm/drm_crtc_internal.h
> +++ b/drivers/gpu/drm/drm_crtc_internal.h
> @@ -33,8 +33,6 @@
>
>
> /* drm_crtc.c */
> -void drm_connector_ida_init(void);
> -void drm_connector_ida_destroy(void);
> int drm_mode_object_get_reg(struct drm_device *dev,
> struct drm_mode_object *obj,
> uint32_t obj_type,
> @@ -48,6 +46,10 @@ struct drm_mode_object *__drm_mode_object_find(struct drm_device *dev,
> uint32_t id, uint32_t type);
> void drm_mode_object_unregister(struct drm_device *dev,
> struct drm_mode_object *object);
> +int drm_mode_object_get_properties(struct drm_mode_object *obj, bool atomic,
> + uint32_t __user *prop_ptr,
> + uint64_t __user *prop_values,
> + uint32_t *arg_count_props);
> bool drm_property_change_valid_get(struct drm_property *property,
> uint64_t value,
> struct drm_mode_object **ref);
> @@ -85,8 +87,6 @@ int drm_mode_getplane_res(struct drm_device *dev, void *data,
> struct drm_file *file_priv);
> int drm_mode_getcrtc(struct drm_device *dev,
> void *data, struct drm_file *file_priv);
> -int drm_mode_getconnector(struct drm_device *dev,
> - void *data, struct drm_file *file_priv);
> int drm_mode_setcrtc(struct drm_device *dev,
> void *data, struct drm_file *file_priv);
> int drm_mode_getplane(struct drm_device *dev,
> @@ -105,8 +105,6 @@ int drm_mode_createblob_ioctl(struct drm_device *dev,
> void *data, struct drm_file *file_priv);
> int drm_mode_destroyblob_ioctl(struct drm_device *dev,
> void *data, struct drm_file *file_priv);
> -int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
> - void *data, struct drm_file *file_priv);
> int drm_mode_getencoder(struct drm_device *dev,
> void *data, struct drm_file *file_priv);
> int drm_mode_gamma_get_ioctl(struct drm_device *dev,
> @@ -117,6 +115,22 @@ int drm_mode_gamma_set_ioctl(struct drm_device *dev,
> int drm_mode_page_flip_ioctl(struct drm_device *dev,
> void *data, struct drm_file *file_priv);
>
> +/* drm_connector.c */
> +void drm_connector_ida_init(void);
> +void drm_connector_ida_destroy(void);
> +void drm_connector_unregister_all(struct drm_device *dev);
> +int drm_connector_register_all(struct drm_device *dev);
> +int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj,
> + struct drm_property *property,
> + uint64_t value);
> +int drm_connector_create_standard_properties(struct drm_device *dev);
> +
> +/* IOCTL */
> +int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
> + void *data, struct drm_file *file_priv);
> +int drm_mode_getconnector(struct drm_device *dev,
> + void *data, struct drm_file *file_priv);
> +
> /* drm_framebuffer.c */
> struct drm_framebuffer *
> drm_internal_framebuffer_create(struct drm_device *dev,
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> new file mode 100644
> index 000000000000..ec2bea0b1b38
> --- /dev/null
> +++ b/include/drm/drm_connector.h
> @@ -0,0 +1,644 @@
> +/*
> + * Copyright (c) 2016 Intel Corporation
> + *
> + * Permission to use, copy, modify, distribute, and sell this software and its
> + * documentation for any purpose is hereby granted without fee, provided that
> + * the above copyright notice appear in all copies and that both that copyright
> + * notice and this permission notice appear in supporting documentation, and
> + * that the name of the copyright holders not be used in advertising or
> + * publicity pertaining to distribution of the software without specific,
> + * written prior permission. The copyright holders make no representations
> + * about the suitability of this software for any purpose. It is provided "as
> + * is" without express or implied warranty.
> + *
> + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
> + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
> + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
> + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
> + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
> + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
> + * OF THIS SOFTWARE.
> + */
> +
> +#ifndef __DRM_CONNECTOR_H__
> +#define __DRM_CONNECTOR_H__
> +
> +#include <linux/list.h>
> +#include <linux/ctype.h>
> +#include <drm/drm_modeset.h>
> +
> +struct drm_connector_helper_funcs;
> +struct drm_device;
> +struct drm_crtc;
> +struct drm_encoder;
> +struct drm_property;
> +struct drm_property_blob;
> +struct edid;
> +
> +enum drm_connector_force {
> + DRM_FORCE_UNSPECIFIED,
> + DRM_FORCE_OFF,
> + DRM_FORCE_ON, /* force on analog part normally */
> + DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
> +};
> +
> +enum drm_connector_status {
> + connector_status_connected = 1,
> + connector_status_disconnected = 2,
> + connector_status_unknown = 3,
> +};
> +
> +enum subpixel_order {
> + SubPixelUnknown = 0,
> + SubPixelHorizontalRGB,
> + SubPixelHorizontalBGR,
> + SubPixelVerticalRGB,
> + SubPixelVerticalBGR,
> + SubPixelNone,
> +};
> +
> +/*
> + * Describes a given display (e.g. CRT or flat panel) and its limitations.
> + */
> +struct drm_display_info {
> + char name[DRM_DISPLAY_INFO_LEN];
> +
> + /* Physical size */
> + unsigned int width_mm;
> + unsigned int height_mm;
> +
> + /* Clock limits FIXME: storage format */
> + unsigned int min_vfreq, max_vfreq;
> + unsigned int min_hfreq, max_hfreq;
> + unsigned int pixel_clock;
> + unsigned int bpc;
> +
> + enum subpixel_order subpixel_order;
> +
> +#define DRM_COLOR_FORMAT_RGB444 (1<<0)
> +#define DRM_COLOR_FORMAT_YCRCB444 (1<<1)
> +#define DRM_COLOR_FORMAT_YCRCB422 (1<<2)
> +
> + u32 color_formats;
> +
> + const u32 *bus_formats;
> + unsigned int num_bus_formats;
> +
> +#define DRM_BUS_FLAG_DE_LOW (1<<0)
> +#define DRM_BUS_FLAG_DE_HIGH (1<<1)
> +/* drive data on pos. edge */
> +#define DRM_BUS_FLAG_PIXDATA_POSEDGE (1<<2)
> +/* drive data on neg. edge */
> +#define DRM_BUS_FLAG_PIXDATA_NEGEDGE (1<<3)
> +
> + u32 bus_flags;
> +
> + /* Mask of supported hdmi deep color modes */
> + u8 edid_hdmi_dc_modes;
> +
> + u8 cea_rev;
> +};
> +
> +/**
> + * struct drm_connector_state - mutable connector state
> + * @connector: backpointer to the connector
> + * @crtc: CRTC to connect connector to, NULL if disabled
> + * @best_encoder: can be used by helpers and drivers to select the encoder
> + * @state: backpointer to global drm_atomic_state
> + */
> +struct drm_connector_state {
> + struct drm_connector *connector;
> +
> + struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_connector() */
> +
> + struct drm_encoder *best_encoder;
> +
> + struct drm_atomic_state *state;
> +};
> +
> +/**
> + * struct drm_connector_funcs - control connectors on a given device
> + *
> + * Each CRTC may have one or more connectors attached to it. The functions
> + * below allow the core DRM code to control connectors, enumerate available modes,
> + * etc.
> + */
> +struct drm_connector_funcs {
> + /**
> + * @dpms:
> + *
> + * Legacy entry point to set the per-connector DPMS state. Legacy DPMS
> + * is exposed as a standard property on the connector, but diverted to
> + * this callback in the drm core. Note that atomic drivers don't
> + * implement the 4 level DPMS support on the connector any more, but
> + * instead only have an on/off "ACTIVE" property on the CRTC object.
> + *
> + * Drivers implementing atomic modeset should use
> + * drm_atomic_helper_connector_dpms() to implement this hook.
> + *
> + * RETURNS:
> + *
> + * 0 on success or a negative error code on failure.
> + */
> + int (*dpms)(struct drm_connector *connector, int mode);
> +
> + /**
> + * @reset:
> + *
> + * Reset connector hardware and software state to off. This function isn't
> + * called by the core directly, only through drm_mode_config_reset().
> + * It's not a helper hook only for historical reasons.
> + *
> + * Atomic drivers can use drm_atomic_helper_connector_reset() to reset
> + * atomic state using this hook.
> + */
> + void (*reset)(struct drm_connector *connector);
> +
> + /**
> + * @detect:
> + *
> + * Check to see if anything is attached to the connector. The parameter
> + * force is set to false whilst polling, true when checking the
> + * connector due to a user request. force can be used by the driver to
> + * avoid expensive, destructive operations during automated probing.
> + *
> + * FIXME:
> + *
> + * Note that this hook is only called by the probe helper. It's not in
> + * the helper library vtable purely for historical reasons. The only DRM
> + * core entry point to probe connector state is @fill_modes.
> + *
> + * RETURNS:
> + *
> + * drm_connector_status indicating the connector's status.
> + */
> + enum drm_connector_status (*detect)(struct drm_connector *connector,
> + bool force);
> +
> + /**
> + * @force:
> + *
> + * This function is called to update internal encoder state when the
> + * connector is forced to a certain state by userspace, either through
> + * the sysfs interfaces or on the kernel cmdline. In that case the
> + * @detect callback isn't called.
> + *
> + * FIXME:
> + *
> + * Note that this hook is only called by the probe helper. It's not in
> + * the helper library vtable purely for historical reasons. The only DRM
> + * core entry point to probe connector state is @fill_modes.
> + */
> + void (*force)(struct drm_connector *connector);
> +
> + /**
> + * @fill_modes:
> + *
> + * Entry point for output detection and basic mode validation. The
> + * driver should reprobe the output if needed (e.g. when hotplug
> + * handling is unreliable), add all detected modes to connector->modes
> + * and filter out any the device can't support in any configuration. It
> + * also needs to filter out any modes wider or higher than the
> + * parameters max_width and max_height indicate.
> + *
> + * The drivers must also prune any modes no longer valid from
> + * connector->modes. Furthermore it must update connector->status and
> + * connector->edid. If no EDID has been received for this output
> + * connector->edid must be NULL.
> + *
> + * Drivers using the probe helpers should use
> + * drm_helper_probe_single_connector_modes() or
> + * drm_helper_probe_single_connector_modes_nomerge() to implement this
> + * function.
> + *
> + * RETURNS:
> + *
> + * The number of modes detected and filled into connector->modes.
> + */
> + int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
> +
> + /**
> + * @set_property:
> + *
> + * This is the legacy entry point to update a property attached to the
> + * connector.
> + *
> + * Drivers implementing atomic modeset should use
> + * drm_atomic_helper_connector_set_property() to implement this hook.
> + *
> + * This callback is optional if the driver does not support any legacy
> + * driver-private properties.
> + *
> + * RETURNS:
> + *
> + * 0 on success or a negative error code on failure.
> + */
> + int (*set_property)(struct drm_connector *connector, struct drm_property *property,
> + uint64_t val);
> +
> + /**
> + * @late_register:
> + *
> + * This optional hook can be used to register additional userspace
> + * interfaces attached to the connector, light backlight control, i2c,
> + * DP aux or similar interfaces. It is called late in the driver load
> + * sequence from drm_connector_register() when registering all the
> + * core drm connector interfaces. Everything added from this callback
> + * should be unregistered in the early_unregister callback.
> + *
> + * Returns:
> + *
> + * 0 on success, or a negative error code on failure.
> + */
> + int (*late_register)(struct drm_connector *connector);
> +
> + /**
> + * @early_unregister:
> + *
> + * This optional hook should be used to unregister the additional
> + * userspace interfaces attached to the connector from
> + * late_unregister(). It is called from drm_connector_unregister(),
> + * early in the driver unload sequence to disable userspace access
> + * before data structures are torndown.
> + */
> + void (*early_unregister)(struct drm_connector *connector);
> +
> + /**
> + * @destroy:
> + *
> + * Clean up connector resources. This is called at driver unload time
> + * through drm_mode_config_cleanup(). It can also be called at runtime
> + * when a connector is being hot-unplugged for drivers that support
> + * connector hotplugging (e.g. DisplayPort MST).
> + */
> + void (*destroy)(struct drm_connector *connector);
> +
> + /**
> + * @atomic_duplicate_state:
> + *
> + * Duplicate the current atomic state for this connector and return it.
> + * The core and helpers gurantee that any atomic state duplicated with
> + * this hook and still owned by the caller (i.e. not transferred to the
> + * driver by calling ->atomic_commit() from struct
> + * &drm_mode_config_funcs) will be cleaned up by calling the
> + * @atomic_destroy_state hook in this structure.
> + *
> + * Atomic drivers which don't subclass struct &drm_connector_state should use
> + * drm_atomic_helper_connector_duplicate_state(). Drivers that subclass the
> + * state structure to extend it with driver-private state should use
> + * __drm_atomic_helper_connector_duplicate_state() to make sure shared state is
> + * duplicated in a consistent fashion across drivers.
> + *
> + * It is an error to call this hook before connector->state has been
> + * initialized correctly.
> + *
> + * NOTE:
> + *
> + * If the duplicate state references refcounted resources this hook must
> + * acquire a reference for each of them. The driver must release these
> + * references again in @atomic_destroy_state.
> + *
> + * RETURNS:
> + *
> + * Duplicated atomic state or NULL when the allocation failed.
> + */
> + struct drm_connector_state *(*atomic_duplicate_state)(struct drm_connector *connector);
> +
> + /**
> + * @atomic_destroy_state:
> + *
> + * Destroy a state duplicated with @atomic_duplicate_state and release
> + * or unreference all resources it references
> + */
> + void (*atomic_destroy_state)(struct drm_connector *connector,
> + struct drm_connector_state *state);
> +
> + /**
> + * @atomic_set_property:
> + *
> + * Decode a driver-private property value and store the decoded value
> + * into the passed-in state structure. Since the atomic core decodes all
> + * standardized properties (even for extensions beyond the core set of
> + * properties which might not be implemented by all drivers) this
> + * requires drivers to subclass the state structure.
> + *
> + * Such driver-private properties should really only be implemented for
> + * truly hardware/vendor specific state. Instead it is preferred to
> + * standardize atomic extension and decode the properties used to expose
> + * such an extension in the core.
> + *
> + * Do not call this function directly, use
> + * drm_atomic_connector_set_property() instead.
> + *
> + * This callback is optional if the driver does not support any
> + * driver-private atomic properties.
> + *
> + * NOTE:
> + *
> + * This function is called in the state assembly phase of atomic
> + * modesets, which can be aborted for any reason (including on
> + * userspace's request to just check whether a configuration would be
> + * possible). Drivers MUST NOT touch any persistent state (hardware or
> + * software) or data structures except the passed in @state parameter.
> + *
> + * Also since userspace controls in which order properties are set this
> + * function must not do any input validation (since the state update is
> + * incomplete and hence likely inconsistent). Instead any such input
> + * validation must be done in the various atomic_check callbacks.
> + *
> + * RETURNS:
> + *
> + * 0 if the property has been found, -EINVAL if the property isn't
> + * implemented by the driver (which shouldn't ever happen, the core only
> + * asks for properties attached to this connector). No other validation
> + * is allowed by the driver. The core already checks that the property
> + * value is within the range (integer, valid enum value, ...) the driver
> + * set when registering the property.
> + */
> + int (*atomic_set_property)(struct drm_connector *connector,
> + struct drm_connector_state *state,
> + struct drm_property *property,
> + uint64_t val);
> +
> + /**
> + * @atomic_get_property:
> + *
> + * Reads out the decoded driver-private property. This is used to
> + * implement the GETCONNECTOR IOCTL.
> + *
> + * Do not call this function directly, use
> + * drm_atomic_connector_get_property() instead.
> + *
> + * This callback is optional if the driver does not support any
> + * driver-private atomic properties.
> + *
> + * RETURNS:
> + *
> + * 0 on success, -EINVAL if the property isn't implemented by the
> + * driver (which shouldn't ever happen, the core only asks for
> + * properties attached to this connector).
> + */
> + int (*atomic_get_property)(struct drm_connector *connector,
> + const struct drm_connector_state *state,
> + struct drm_property *property,
> + uint64_t *val);
> +};
> +
> +/* mode specified on the command line */
> +struct drm_cmdline_mode {
> + bool specified;
> + bool refresh_specified;
> + bool bpp_specified;
> + int xres, yres;
> + int bpp;
> + int refresh;
> + bool rb;
> + bool interlace;
> + bool cvt;
> + bool margins;
> + enum drm_connector_force force;
> +};
> +
> +/**
> + * struct drm_connector - central DRM connector control structure
> + * @dev: parent DRM device
> + * @kdev: kernel device for sysfs attributes
> + * @attr: sysfs attributes
> + * @head: list management
> + * @base: base KMS object
> + * @name: human readable name, can be overwritten by the driver
> + * @connector_type: one of the DRM_MODE_CONNECTOR_<foo> types from drm_mode.h
> + * @connector_type_id: index into connector type enum
> + * @interlace_allowed: can this connector handle interlaced modes?
> + * @doublescan_allowed: can this connector handle doublescan?
> + * @stereo_allowed: can this connector handle stereo modes?
> + * @registered: is this connector exposed (registered) with userspace?
> + * @modes: modes available on this connector (from fill_modes() + user)
> + * @status: one of the drm_connector_status enums (connected, not, or unknown)
> + * @probed_modes: list of modes derived directly from the display
> + * @display_info: information about attached display (e.g. from EDID)
> + * @funcs: connector control functions
> + * @edid_blob_ptr: DRM property containing EDID if present
> + * @properties: property tracking for this connector
> + * @polled: a DRM_CONNECTOR_POLL_<foo> value for core driven polling
> + * @dpms: current dpms state
> + * @helper_private: mid-layer private data
> + * @cmdline_mode: mode line parsed from the kernel cmdline for this connector
> + * @force: a DRM_FORCE_<foo> state for forced mode sets
> + * @override_edid: has the EDID been overwritten through debugfs for testing?
> + * @encoder_ids: valid encoders for this connector
> + * @encoder: encoder driving this connector, if any
> + * @eld: EDID-like data, if present
> + * @dvi_dual: dual link DVI, if found
> + * @max_tmds_clock: max clock rate, if found
> + * @latency_present: AV delay info from ELD, if found
> + * @video_latency: video latency info from ELD, if found
> + * @audio_latency: audio latency info from ELD, if found
> + * @null_edid_counter: track sinks that give us all zeros for the EDID
> + * @bad_edid_counter: track sinks that give us an EDID with invalid checksum
> + * @edid_corrupt: indicates whether the last read EDID was corrupt
> + * @debugfs_entry: debugfs directory for this connector
> + * @state: current atomic state for this connector
> + * @has_tile: is this connector connected to a tiled monitor
> + * @tile_group: tile group for the connected monitor
> + * @tile_is_single_monitor: whether the tile is one monitor housing
> + * @num_h_tile: number of horizontal tiles in the tile group
> + * @num_v_tile: number of vertical tiles in the tile group
> + * @tile_h_loc: horizontal location of this tile
> + * @tile_v_loc: vertical location of this tile
> + * @tile_h_size: horizontal size of this tile.
> + * @tile_v_size: vertical size of this tile.
> + *
> + * Each connector may be connected to one or more CRTCs, or may be clonable by
> + * another connector if they can share a CRTC. Each connector also has a specific
> + * position in the broader display (referred to as a 'screen' though it could
> + * span multiple monitors).
> + */
> +struct drm_connector {
> + struct drm_device *dev;
> + struct device *kdev;
> + struct device_attribute *attr;
> + struct list_head head;
> +
> + struct drm_mode_object base;
> +
> + char *name;
> +
> + /**
> + * @index: Compacted connector index, which matches the position inside
> + * the mode_config.list for drivers not supporting hot-add/removing. Can
> + * be used as an array index. It is invariant over the lifetime of the
> + * connector.
> + */
> + unsigned index;
> +
> + int connector_type;
> + int connector_type_id;
> + bool interlace_allowed;
> + bool doublescan_allowed;
> + bool stereo_allowed;
> + bool registered;
> + struct list_head modes; /* list of modes on this connector */
> +
> + enum drm_connector_status status;
> +
> + /* these are modes added by probing with DDC or the BIOS */
> + struct list_head probed_modes;
> +
> + struct drm_display_info display_info;
> + const struct drm_connector_funcs *funcs;
> +
> + struct drm_property_blob *edid_blob_ptr;
> + struct drm_object_properties properties;
> +
> + /**
> + * @path_blob_ptr:
> + *
> + * DRM blob property data for the DP MST path property.
> + */
> + struct drm_property_blob *path_blob_ptr;
> +
> + /**
> + * @tile_blob_ptr:
> + *
> + * DRM blob property data for the tile property (used mostly by DP MST).
> + * This is meant for screens which are driven through separate display
> + * pipelines represented by &drm_crtc, which might not be running with
> + * genlocked clocks. For tiled panels which are genlocked, like
> + * dual-link LVDS or dual-link DSI, the driver should try to not expose
> + * the tiling and virtualize both &drm_crtc and &drm_plane if needed.
> + */
> + struct drm_property_blob *tile_blob_ptr;
> +
> +/* should we poll this connector for connects and disconnects */
> +/* hot plug detectable */
> +#define DRM_CONNECTOR_POLL_HPD (1 << 0)
> +/* poll for connections */
> +#define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
> +/* can cleanly poll for disconnections without flickering the screen */
> +/* DACs should rarely do this without a lot of testing */
> +#define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
> +
> + uint8_t polled; /* DRM_CONNECTOR_POLL_* */
> +
> + /* requested DPMS state */
> + int dpms;
> +
> + const struct drm_connector_helper_funcs *helper_private;
> +
> + /* forced on connector */
> + struct drm_cmdline_mode cmdline_mode;
> + enum drm_connector_force force;
> + bool override_edid;
> +
> +#define DRM_CONNECTOR_MAX_ENCODER 3
> + uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
> + struct drm_encoder *encoder; /* currently active encoder */
> +
> +#define MAX_ELD_BYTES 128
> + /* EDID bits */
> + uint8_t eld[MAX_ELD_BYTES];
> + bool dvi_dual;
> + int max_tmds_clock; /* in MHz */
> + bool latency_present[2];
> + int video_latency[2]; /* [0]: progressive, [1]: interlaced */
> + int audio_latency[2];
> + int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */
> + unsigned bad_edid_counter;
> +
> + /* Flag for raw EDID header corruption - used in Displayport
> + * compliance testing - * Displayport Link CTS Core 1.2 rev1.1 4.2.2.6
> + */
> + bool edid_corrupt;
> +
> + struct dentry *debugfs_entry;
> +
> + struct drm_connector_state *state;
> +
> + /* DisplayID bits */
> + bool has_tile;
> + struct drm_tile_group *tile_group;
> + bool tile_is_single_monitor;
> +
> + uint8_t num_h_tile, num_v_tile;
> + uint8_t tile_h_loc, tile_v_loc;
> + uint16_t tile_h_size, tile_v_size;
> +};
> +
> +#define obj_to_connector(x) container_of(x, struct drm_connector, base)
> +
> +int drm_connector_init(struct drm_device *dev,
> + struct drm_connector *connector,
> + const struct drm_connector_funcs *funcs,
> + int connector_type);
> +int drm_connector_register(struct drm_connector *connector);
> +void drm_connector_unregister(struct drm_connector *connector);
> +int drm_mode_connector_attach_encoder(struct drm_connector *connector,
> + struct drm_encoder *encoder);
> +
> +void drm_connector_cleanup(struct drm_connector *connector);
> +static inline unsigned drm_connector_index(struct drm_connector *connector)
> +{
> + return connector->index;
> +}
> +
> +/**
> + * drm_connector_lookup - lookup connector object
> + * @dev: DRM device
> + * @id: connector object id
> + *
> + * This function looks up the connector object specified by id
> + * add takes a reference to it.
> + */
> +static inline struct drm_connector *drm_connector_lookup(struct drm_device *dev,
> + uint32_t id)
> +{
> + struct drm_mode_object *mo;
> + mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CONNECTOR);
> + return mo ? obj_to_connector(mo) : NULL;
> +}
> +
> +/**
> + * drm_connector_reference - incr the connector refcnt
> + * @connector: connector
> + *
> + * This function increments the connector's refcount.
> + */
> +static inline void drm_connector_reference(struct drm_connector *connector)
> +{
> + drm_mode_object_reference(&connector->base);
> +}
> +
> +/**
> + * drm_connector_unreference - unref a connector
> + * @connector: connector to unref
> + *
> + * This function decrements the connector's refcount and frees it if it drops to zero.
> + */
> +static inline void drm_connector_unreference(struct drm_connector *connector)
> +{
> + drm_mode_object_unreference(&connector->base);
> +}
> +
> +const char *drm_get_connector_status_name(enum drm_connector_status status);
> +const char *drm_get_subpixel_order_name(enum subpixel_order order);
> +const char *drm_get_dpms_name(int val);
> +const char *drm_get_dvi_i_subconnector_name(int val);
> +const char *drm_get_dvi_i_select_name(int val);
> +const char *drm_get_tv_subconnector_name(int val);
> +const char *drm_get_tv_select_name(int val);
> +
> +int drm_mode_create_dvi_i_properties(struct drm_device *dev);
> +int drm_mode_create_tv_properties(struct drm_device *dev,
> + unsigned int num_modes,
> + const char * const modes[]);
> +int drm_mode_create_scaling_mode_property(struct drm_device *dev);
> +int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
> +int drm_mode_create_suggested_offset_properties(struct drm_device *dev);
> +
> +int drm_mode_connector_set_path_property(struct drm_connector *connector,
> + const char *path);
> +int drm_mode_connector_set_tile_property(struct drm_connector *connector);
> +int drm_mode_connector_update_edid_property(struct drm_connector *connector,
> + const struct edid *edid);
> +#endif
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index f4d041800551..e30ea0be6417 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -39,31 +39,16 @@
> #include <drm/drm_modeset.h>
> #include <drm/drm_framebuffer.h>
> #include <drm/drm_modes.h>
> +#include <drm/drm_connector.h>
>
> struct drm_device;
> struct drm_mode_set;
> -struct drm_object_properties;
> struct drm_file;
> struct drm_clip_rect;
> struct device_node;
> struct fence;
> struct edid;
>
> -#define DRM_OBJECT_MAX_PROPERTY 24
> -struct drm_object_properties {
> - int count, atomic_count;
> - /* NOTE: if we ever start dynamically destroying properties (ie.
> - * not at drm_mode_config_cleanup() time), then we'd have to do
> - * a better job of detaching property from mode objects to avoid
> - * dangling property pointers:
> - */
> - struct drm_property *properties[DRM_OBJECT_MAX_PROPERTY];
> - /* do not read/write values directly, but use drm_object_property_get_value()
> - * and drm_object_property_set_value():
> - */
> - uint64_t values[DRM_OBJECT_MAX_PROPERTY];
> -};
> -
> static inline int64_t U642I64(uint64_t val)
> {
> return (int64_t)*((int64_t *)&val);
> @@ -88,61 +73,6 @@ static inline uint64_t I642U64(int64_t val)
> #define DRM_REFLECT_Y BIT(5)
> #define DRM_REFLECT_MASK (DRM_REFLECT_X | DRM_REFLECT_Y)
>
> -enum drm_connector_status {
> - connector_status_connected = 1,
> - connector_status_disconnected = 2,
> - connector_status_unknown = 3,
> -};
> -
> -enum subpixel_order {
> - SubPixelUnknown = 0,
> - SubPixelHorizontalRGB,
> - SubPixelHorizontalBGR,
> - SubPixelVerticalRGB,
> - SubPixelVerticalBGR,
> - SubPixelNone,
> -};
> -
> -#define DRM_COLOR_FORMAT_RGB444 (1<<0)
> -#define DRM_COLOR_FORMAT_YCRCB444 (1<<1)
> -#define DRM_COLOR_FORMAT_YCRCB422 (1<<2)
> -
> -#define DRM_BUS_FLAG_DE_LOW (1<<0)
> -#define DRM_BUS_FLAG_DE_HIGH (1<<1)
> -/* drive data on pos. edge */
> -#define DRM_BUS_FLAG_PIXDATA_POSEDGE (1<<2)
> -/* drive data on neg. edge */
> -#define DRM_BUS_FLAG_PIXDATA_NEGEDGE (1<<3)
> -
> -/*
> - * Describes a given display (e.g. CRT or flat panel) and its limitations.
> - */
> -struct drm_display_info {
> - char name[DRM_DISPLAY_INFO_LEN];
> -
> - /* Physical size */
> - unsigned int width_mm;
> - unsigned int height_mm;
> -
> - /* Clock limits FIXME: storage format */
> - unsigned int min_vfreq, max_vfreq;
> - unsigned int min_hfreq, max_hfreq;
> - unsigned int pixel_clock;
> - unsigned int bpc;
> -
> - enum subpixel_order subpixel_order;
> - u32 color_formats;
> -
> - const u32 *bus_formats;
> - unsigned int num_bus_formats;
> - u32 bus_flags;
> -
> - /* Mask of supported hdmi deep color modes */
> - u8 edid_hdmi_dc_modes;
> -
> - u8 cea_rev;
> -};
> -
> /* data corresponds to displayid vend/prod/serial */
> struct drm_tile_group {
> struct kref refcount;
> @@ -179,7 +109,6 @@ struct drm_property {
> };
>
> struct drm_crtc;
> -struct drm_connector;
> struct drm_encoder;
> struct drm_pending_vblank_event;
> struct drm_plane;
> @@ -188,7 +117,6 @@ struct drm_atomic_state;
>
> struct drm_crtc_helper_funcs;
> struct drm_encoder_helper_funcs;
> -struct drm_connector_helper_funcs;
> struct drm_plane_helper_funcs;
>
> /**
> @@ -734,291 +662,6 @@ struct drm_crtc {
> };
>
> /**
> - * struct drm_connector_state - mutable connector state
> - * @connector: backpointer to the connector
> - * @crtc: CRTC to connect connector to, NULL if disabled
> - * @best_encoder: can be used by helpers and drivers to select the encoder
> - * @state: backpointer to global drm_atomic_state
> - */
> -struct drm_connector_state {
> - struct drm_connector *connector;
> -
> - struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_connector() */
> -
> - struct drm_encoder *best_encoder;
> -
> - struct drm_atomic_state *state;
> -};
> -
> -/**
> - * struct drm_connector_funcs - control connectors on a given device
> - *
> - * Each CRTC may have one or more connectors attached to it. The functions
> - * below allow the core DRM code to control connectors, enumerate available modes,
> - * etc.
> - */
> -struct drm_connector_funcs {
> - /**
> - * @dpms:
> - *
> - * Legacy entry point to set the per-connector DPMS state. Legacy DPMS
> - * is exposed as a standard property on the connector, but diverted to
> - * this callback in the drm core. Note that atomic drivers don't
> - * implement the 4 level DPMS support on the connector any more, but
> - * instead only have an on/off "ACTIVE" property on the CRTC object.
> - *
> - * Drivers implementing atomic modeset should use
> - * drm_atomic_helper_connector_dpms() to implement this hook.
> - *
> - * RETURNS:
> - *
> - * 0 on success or a negative error code on failure.
> - */
> - int (*dpms)(struct drm_connector *connector, int mode);
> -
> - /**
> - * @reset:
> - *
> - * Reset connector hardware and software state to off. This function isn't
> - * called by the core directly, only through drm_mode_config_reset().
> - * It's not a helper hook only for historical reasons.
> - *
> - * Atomic drivers can use drm_atomic_helper_connector_reset() to reset
> - * atomic state using this hook.
> - */
> - void (*reset)(struct drm_connector *connector);
> -
> - /**
> - * @detect:
> - *
> - * Check to see if anything is attached to the connector. The parameter
> - * force is set to false whilst polling, true when checking the
> - * connector due to a user request. force can be used by the driver to
> - * avoid expensive, destructive operations during automated probing.
> - *
> - * FIXME:
> - *
> - * Note that this hook is only called by the probe helper. It's not in
> - * the helper library vtable purely for historical reasons. The only DRM
> - * core entry point to probe connector state is @fill_modes.
> - *
> - * RETURNS:
> - *
> - * drm_connector_status indicating the connector's status.
> - */
> - enum drm_connector_status (*detect)(struct drm_connector *connector,
> - bool force);
> -
> - /**
> - * @force:
> - *
> - * This function is called to update internal encoder state when the
> - * connector is forced to a certain state by userspace, either through
> - * the sysfs interfaces or on the kernel cmdline. In that case the
> - * @detect callback isn't called.
> - *
> - * FIXME:
> - *
> - * Note that this hook is only called by the probe helper. It's not in
> - * the helper library vtable purely for historical reasons. The only DRM
> - * core entry point to probe connector state is @fill_modes.
> - */
> - void (*force)(struct drm_connector *connector);
> -
> - /**
> - * @fill_modes:
> - *
> - * Entry point for output detection and basic mode validation. The
> - * driver should reprobe the output if needed (e.g. when hotplug
> - * handling is unreliable), add all detected modes to connector->modes
> - * and filter out any the device can't support in any configuration. It
> - * also needs to filter out any modes wider or higher than the
> - * parameters max_width and max_height indicate.
> - *
> - * The drivers must also prune any modes no longer valid from
> - * connector->modes. Furthermore it must update connector->status and
> - * connector->edid. If no EDID has been received for this output
> - * connector->edid must be NULL.
> - *
> - * Drivers using the probe helpers should use
> - * drm_helper_probe_single_connector_modes() or
> - * drm_helper_probe_single_connector_modes_nomerge() to implement this
> - * function.
> - *
> - * RETURNS:
> - *
> - * The number of modes detected and filled into connector->modes.
> - */
> - int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
> -
> - /**
> - * @set_property:
> - *
> - * This is the legacy entry point to update a property attached to the
> - * connector.
> - *
> - * Drivers implementing atomic modeset should use
> - * drm_atomic_helper_connector_set_property() to implement this hook.
> - *
> - * This callback is optional if the driver does not support any legacy
> - * driver-private properties.
> - *
> - * RETURNS:
> - *
> - * 0 on success or a negative error code on failure.
> - */
> - int (*set_property)(struct drm_connector *connector, struct drm_property *property,
> - uint64_t val);
> -
> - /**
> - * @late_register:
> - *
> - * This optional hook can be used to register additional userspace
> - * interfaces attached to the connector, light backlight control, i2c,
> - * DP aux or similar interfaces. It is called late in the driver load
> - * sequence from drm_connector_register() when registering all the
> - * core drm connector interfaces. Everything added from this callback
> - * should be unregistered in the early_unregister callback.
> - *
> - * Returns:
> - *
> - * 0 on success, or a negative error code on failure.
> - */
> - int (*late_register)(struct drm_connector *connector);
> -
> - /**
> - * @early_unregister:
> - *
> - * This optional hook should be used to unregister the additional
> - * userspace interfaces attached to the connector from
> - * late_unregister(). It is called from drm_connector_unregister(),
> - * early in the driver unload sequence to disable userspace access
> - * before data structures are torndown.
> - */
> - void (*early_unregister)(struct drm_connector *connector);
> -
> - /**
> - * @destroy:
> - *
> - * Clean up connector resources. This is called at driver unload time
> - * through drm_mode_config_cleanup(). It can also be called at runtime
> - * when a connector is being hot-unplugged for drivers that support
> - * connector hotplugging (e.g. DisplayPort MST).
> - */
> - void (*destroy)(struct drm_connector *connector);
> -
> - /**
> - * @atomic_duplicate_state:
> - *
> - * Duplicate the current atomic state for this connector and return it.
> - * The core and helpers gurantee that any atomic state duplicated with
> - * this hook and still owned by the caller (i.e. not transferred to the
> - * driver by calling ->atomic_commit() from struct
> - * &drm_mode_config_funcs) will be cleaned up by calling the
> - * @atomic_destroy_state hook in this structure.
> - *
> - * Atomic drivers which don't subclass struct &drm_connector_state should use
> - * drm_atomic_helper_connector_duplicate_state(). Drivers that subclass the
> - * state structure to extend it with driver-private state should use
> - * __drm_atomic_helper_connector_duplicate_state() to make sure shared state is
> - * duplicated in a consistent fashion across drivers.
> - *
> - * It is an error to call this hook before connector->state has been
> - * initialized correctly.
> - *
> - * NOTE:
> - *
> - * If the duplicate state references refcounted resources this hook must
> - * acquire a reference for each of them. The driver must release these
> - * references again in @atomic_destroy_state.
> - *
> - * RETURNS:
> - *
> - * Duplicated atomic state or NULL when the allocation failed.
> - */
> - struct drm_connector_state *(*atomic_duplicate_state)(struct drm_connector *connector);
> -
> - /**
> - * @atomic_destroy_state:
> - *
> - * Destroy a state duplicated with @atomic_duplicate_state and release
> - * or unreference all resources it references
> - */
> - void (*atomic_destroy_state)(struct drm_connector *connector,
> - struct drm_connector_state *state);
> -
> - /**
> - * @atomic_set_property:
> - *
> - * Decode a driver-private property value and store the decoded value
> - * into the passed-in state structure. Since the atomic core decodes all
> - * standardized properties (even for extensions beyond the core set of
> - * properties which might not be implemented by all drivers) this
> - * requires drivers to subclass the state structure.
> - *
> - * Such driver-private properties should really only be implemented for
> - * truly hardware/vendor specific state. Instead it is preferred to
> - * standardize atomic extension and decode the properties used to expose
> - * such an extension in the core.
> - *
> - * Do not call this function directly, use
> - * drm_atomic_connector_set_property() instead.
> - *
> - * This callback is optional if the driver does not support any
> - * driver-private atomic properties.
> - *
> - * NOTE:
> - *
> - * This function is called in the state assembly phase of atomic
> - * modesets, which can be aborted for any reason (including on
> - * userspace's request to just check whether a configuration would be
> - * possible). Drivers MUST NOT touch any persistent state (hardware or
> - * software) or data structures except the passed in @state parameter.
> - *
> - * Also since userspace controls in which order properties are set this
> - * function must not do any input validation (since the state update is
> - * incomplete and hence likely inconsistent). Instead any such input
> - * validation must be done in the various atomic_check callbacks.
> - *
> - * RETURNS:
> - *
> - * 0 if the property has been found, -EINVAL if the property isn't
> - * implemented by the driver (which shouldn't ever happen, the core only
> - * asks for properties attached to this connector). No other validation
> - * is allowed by the driver. The core already checks that the property
> - * value is within the range (integer, valid enum value, ...) the driver
> - * set when registering the property.
> - */
> - int (*atomic_set_property)(struct drm_connector *connector,
> - struct drm_connector_state *state,
> - struct drm_property *property,
> - uint64_t val);
> -
> - /**
> - * @atomic_get_property:
> - *
> - * Reads out the decoded driver-private property. This is used to
> - * implement the GETCONNECTOR IOCTL.
> - *
> - * Do not call this function directly, use
> - * drm_atomic_connector_get_property() instead.
> - *
> - * This callback is optional if the driver does not support any
> - * driver-private atomic properties.
> - *
> - * RETURNS:
> - *
> - * 0 on success, -EINVAL if the property isn't implemented by the
> - * driver (which shouldn't ever happen, the core only asks for
> - * properties attached to this connector).
> - */
> - int (*atomic_get_property)(struct drm_connector *connector,
> - const struct drm_connector_state *state,
> - struct drm_property *property,
> - uint64_t *val);
> -};
> -
> -/**
> * struct drm_encoder_funcs - encoder controls
> *
> * Encoders sit between CRTCs and connectors.
> @@ -1069,8 +712,6 @@ struct drm_encoder_funcs {
> void (*early_unregister)(struct drm_encoder *encoder);
> };
>
> -#define DRM_CONNECTOR_MAX_ENCODER 3
> -
> /**
> * struct drm_encoder - central DRM encoder structure
> * @dev: parent DRM device
> @@ -1111,171 +752,6 @@ struct drm_encoder {
> const struct drm_encoder_helper_funcs *helper_private;
> };
>
> -/* should we poll this connector for connects and disconnects */
> -/* hot plug detectable */
> -#define DRM_CONNECTOR_POLL_HPD (1 << 0)
> -/* poll for connections */
> -#define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
> -/* can cleanly poll for disconnections without flickering the screen */
> -/* DACs should rarely do this without a lot of testing */
> -#define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
> -
> -#define MAX_ELD_BYTES 128
> -
> -/**
> - * struct drm_connector - central DRM connector control structure
> - * @dev: parent DRM device
> - * @kdev: kernel device for sysfs attributes
> - * @attr: sysfs attributes
> - * @head: list management
> - * @base: base KMS object
> - * @name: human readable name, can be overwritten by the driver
> - * @connector_type: one of the DRM_MODE_CONNECTOR_<foo> types from drm_mode.h
> - * @connector_type_id: index into connector type enum
> - * @interlace_allowed: can this connector handle interlaced modes?
> - * @doublescan_allowed: can this connector handle doublescan?
> - * @stereo_allowed: can this connector handle stereo modes?
> - * @registered: is this connector exposed (registered) with userspace?
> - * @modes: modes available on this connector (from fill_modes() + user)
> - * @status: one of the drm_connector_status enums (connected, not, or unknown)
> - * @probed_modes: list of modes derived directly from the display
> - * @display_info: information about attached display (e.g. from EDID)
> - * @funcs: connector control functions
> - * @edid_blob_ptr: DRM property containing EDID if present
> - * @properties: property tracking for this connector
> - * @polled: a DRM_CONNECTOR_POLL_<foo> value for core driven polling
> - * @dpms: current dpms state
> - * @helper_private: mid-layer private data
> - * @cmdline_mode: mode line parsed from the kernel cmdline for this connector
> - * @force: a DRM_FORCE_<foo> state for forced mode sets
> - * @override_edid: has the EDID been overwritten through debugfs for testing?
> - * @encoder_ids: valid encoders for this connector
> - * @encoder: encoder driving this connector, if any
> - * @eld: EDID-like data, if present
> - * @dvi_dual: dual link DVI, if found
> - * @max_tmds_clock: max clock rate, if found
> - * @latency_present: AV delay info from ELD, if found
> - * @video_latency: video latency info from ELD, if found
> - * @audio_latency: audio latency info from ELD, if found
> - * @null_edid_counter: track sinks that give us all zeros for the EDID
> - * @bad_edid_counter: track sinks that give us an EDID with invalid checksum
> - * @edid_corrupt: indicates whether the last read EDID was corrupt
> - * @debugfs_entry: debugfs directory for this connector
> - * @state: current atomic state for this connector
> - * @has_tile: is this connector connected to a tiled monitor
> - * @tile_group: tile group for the connected monitor
> - * @tile_is_single_monitor: whether the tile is one monitor housing
> - * @num_h_tile: number of horizontal tiles in the tile group
> - * @num_v_tile: number of vertical tiles in the tile group
> - * @tile_h_loc: horizontal location of this tile
> - * @tile_v_loc: vertical location of this tile
> - * @tile_h_size: horizontal size of this tile.
> - * @tile_v_size: vertical size of this tile.
> - *
> - * Each connector may be connected to one or more CRTCs, or may be clonable by
> - * another connector if they can share a CRTC. Each connector also has a specific
> - * position in the broader display (referred to as a 'screen' though it could
> - * span multiple monitors).
> - */
> -struct drm_connector {
> - struct drm_device *dev;
> - struct device *kdev;
> - struct device_attribute *attr;
> - struct list_head head;
> -
> - struct drm_mode_object base;
> -
> - char *name;
> -
> - /**
> - * @index: Compacted connector index, which matches the position inside
> - * the mode_config.list for drivers not supporting hot-add/removing. Can
> - * be used as an array index. It is invariant over the lifetime of the
> - * connector.
> - */
> - unsigned index;
> -
> - int connector_type;
> - int connector_type_id;
> - bool interlace_allowed;
> - bool doublescan_allowed;
> - bool stereo_allowed;
> - bool registered;
> - struct list_head modes; /* list of modes on this connector */
> -
> - enum drm_connector_status status;
> -
> - /* these are modes added by probing with DDC or the BIOS */
> - struct list_head probed_modes;
> -
> - struct drm_display_info display_info;
> - const struct drm_connector_funcs *funcs;
> -
> - struct drm_property_blob *edid_blob_ptr;
> - struct drm_object_properties properties;
> -
> - /**
> - * @path_blob_ptr:
> - *
> - * DRM blob property data for the DP MST path property.
> - */
> - struct drm_property_blob *path_blob_ptr;
> -
> - /**
> - * @tile_blob_ptr:
> - *
> - * DRM blob property data for the tile property (used mostly by DP MST).
> - * This is meant for screens which are driven through separate display
> - * pipelines represented by &drm_crtc, which might not be running with
> - * genlocked clocks. For tiled panels which are genlocked, like
> - * dual-link LVDS or dual-link DSI, the driver should try to not expose
> - * the tiling and virtualize both &drm_crtc and &drm_plane if needed.
> - */
> - struct drm_property_blob *tile_blob_ptr;
> -
> - uint8_t polled; /* DRM_CONNECTOR_POLL_* */
> -
> - /* requested DPMS state */
> - int dpms;
> -
> - const struct drm_connector_helper_funcs *helper_private;
> -
> - /* forced on connector */
> - struct drm_cmdline_mode cmdline_mode;
> - enum drm_connector_force force;
> - bool override_edid;
> - uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
> - struct drm_encoder *encoder; /* currently active encoder */
> -
> - /* EDID bits */
> - uint8_t eld[MAX_ELD_BYTES];
> - bool dvi_dual;
> - int max_tmds_clock; /* in MHz */
> - bool latency_present[2];
> - int video_latency[2]; /* [0]: progressive, [1]: interlaced */
> - int audio_latency[2];
> - int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */
> - unsigned bad_edid_counter;
> -
> - /* Flag for raw EDID header corruption - used in Displayport
> - * compliance testing - * Displayport Link CTS Core 1.2 rev1.1 4.2.2.6
> - */
> - bool edid_corrupt;
> -
> - struct dentry *debugfs_entry;
> -
> - struct drm_connector_state *state;
> -
> - /* DisplayID bits */
> - bool has_tile;
> - struct drm_tile_group *tile_group;
> - bool tile_is_single_monitor;
> -
> - uint8_t num_h_tile, num_v_tile;
> - uint8_t tile_h_loc, tile_v_loc;
> - uint16_t tile_h_size, tile_v_size;
> -};
> -
> /**
> * struct drm_plane_state - mutable plane state
> * @plane: backpointer to the plane
> @@ -2615,7 +2091,6 @@ struct drm_mode_config {
> for_each_if ((encoder_mask) & (1 << drm_encoder_index(encoder)))
>
> #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
> -#define obj_to_connector(x) container_of(x, struct drm_connector, base)
> #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
> #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
> #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
> @@ -2661,19 +2136,6 @@ static inline uint32_t drm_crtc_mask(struct drm_crtc *crtc)
> return 1 << drm_crtc_index(crtc);
> }
>
> -int drm_connector_init(struct drm_device *dev,
> - struct drm_connector *connector,
> - const struct drm_connector_funcs *funcs,
> - int connector_type);
> -int drm_connector_register(struct drm_connector *connector);
> -void drm_connector_unregister(struct drm_connector *connector);
> -
> -extern void drm_connector_cleanup(struct drm_connector *connector);
> -static inline unsigned drm_connector_index(struct drm_connector *connector)
> -{
> - return connector->index;
> -}
> -
> extern __printf(5, 6)
> int drm_encoder_init(struct drm_device *dev,
> struct drm_encoder *encoder,
> @@ -2742,23 +2204,10 @@ extern int drm_crtc_force_disable_all(struct drm_device *dev);
>
> extern void drm_encoder_cleanup(struct drm_encoder *encoder);
>
> -extern const char *drm_get_connector_status_name(enum drm_connector_status status);
> -extern const char *drm_get_subpixel_order_name(enum subpixel_order order);
> -extern const char *drm_get_dpms_name(int val);
> -extern const char *drm_get_dvi_i_subconnector_name(int val);
> -extern const char *drm_get_dvi_i_select_name(int val);
> -extern const char *drm_get_tv_subconnector_name(int val);
> -extern const char *drm_get_tv_select_name(int val);
> extern void drm_mode_config_init(struct drm_device *dev);
> extern void drm_mode_config_reset(struct drm_device *dev);
> extern void drm_mode_config_cleanup(struct drm_device *dev);
>
> -extern int drm_mode_connector_set_path_property(struct drm_connector *connector,
> - const char *path);
> -int drm_mode_connector_set_tile_property(struct drm_connector *connector);
> -extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
> - const struct edid *edid);
> -
> extern int drm_display_info_set_bus_formats(struct drm_display_info *info,
> const u32 *formats,
> unsigned int num_formats);
> @@ -2819,16 +2268,6 @@ void drm_property_unreference_blob(struct drm_property_blob *blob);
> extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
> extern int drm_property_add_enum(struct drm_property *property, int index,
> uint64_t value, const char *name);
> -extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
> -extern int drm_mode_create_tv_properties(struct drm_device *dev,
> - unsigned int num_modes,
> - const char * const modes[]);
> -extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
> -extern int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
> -extern int drm_mode_create_suggested_offset_properties(struct drm_device *dev);
> -
> -extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
> - struct drm_encoder *encoder);
> extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
> int gamma_size);
>
> @@ -2888,22 +2327,6 @@ static inline struct drm_encoder *drm_encoder_find(struct drm_device *dev,
> return mo ? obj_to_encoder(mo) : NULL;
> }
>
> -/**
> - * drm_connector_lookup - lookup connector object
> - * @dev: DRM device
> - * @id: connector object id
> - *
> - * This function looks up the connector object specified by id
> - * add takes a reference to it.
> - */
> -static inline struct drm_connector *drm_connector_lookup(struct drm_device *dev,
> - uint32_t id)
> -{
> - struct drm_mode_object *mo;
> - mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CONNECTOR);
> - return mo ? obj_to_connector(mo) : NULL;
> -}
> -
> static inline struct drm_property *drm_property_find(struct drm_device *dev,
> uint32_t id)
> {
> @@ -2931,28 +2354,6 @@ static inline uint32_t drm_color_lut_extract(uint32_t user_input,
> return clamp_val(val, 0, max);
> }
>
> -/**
> - * drm_connector_reference - incr the connector refcnt
> - * @connector: connector
> - *
> - * This function increments the connector's refcount.
> - */
> -static inline void drm_connector_reference(struct drm_connector *connector)
> -{
> - drm_mode_object_reference(&connector->base);
> -}
> -
> -/**
> - * drm_connector_unreference - unref a connector
> - * @connector: connector to unref
> - *
> - * This function decrements the connector's refcount and frees it if it drops to zero.
> - */
> -static inline void drm_connector_unreference(struct drm_connector *connector)
> -{
> - drm_mode_object_unreference(&connector->base);
> -}
> -
> /* Plane list iterator for legacy (overlay only) planes. */
> #define drm_for_each_legacy_plane(plane, dev) \
> list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) \
> diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
> index f0af1edcbefe..efd291200a2b 100644
> --- a/include/drm/drm_modes.h
> +++ b/include/drm/drm_modes.h
> @@ -28,6 +28,7 @@
> #define __DRM_MODES_H__
>
> #include <drm/drm_modeset.h>
> +#include <drm/drm_connector.h>
>
> /*
> * Note on terminology: here, for brevity and convenience, we refer to connector
> @@ -402,21 +403,6 @@ struct drm_display_mode {
> enum hdmi_picture_aspect picture_aspect_ratio;
> };
>
> -/* mode specified on the command line */
> -struct drm_cmdline_mode {
> - bool specified;
> - bool refresh_specified;
> - bool bpp_specified;
> - int xres, yres;
> - int bpp;
> - int refresh;
> - bool rb;
> - bool interlace;
> - bool cvt;
> - bool margins;
> - enum drm_connector_force force;
> -};
> -
> /**
> * drm_mode_is_stereo - check for stereo mode flags
> * @mode: drm_display_mode to check
> diff --git a/include/drm/drm_modeset.h b/include/drm/drm_modeset.h
> index 0c2b0f3c5f34..fe910d5efe12 100644
> --- a/include/drm/drm_modeset.h
> +++ b/include/drm/drm_modeset.h
> @@ -25,6 +25,7 @@
>
> #include <linux/kref.h>
> struct drm_object_properties;
> +struct drm_property;
>
> struct drm_mode_object {
> uint32_t id;
> @@ -34,17 +35,36 @@ struct drm_mode_object {
> void (*free_cb)(struct kref *kref);
> };
>
> +#define DRM_OBJECT_MAX_PROPERTY 24
> +struct drm_object_properties {
> + int count, atomic_count;
> + /* NOTE: if we ever start dynamically destroying properties (ie.
> + * not at drm_mode_config_cleanup() time), then we'd have to do
> + * a better job of detaching property from mode objects to avoid
> + * dangling property pointers:
> + */
> + struct drm_property *properties[DRM_OBJECT_MAX_PROPERTY];
> + /* do not read/write values directly, but use drm_object_property_get_value()
> + * and drm_object_property_set_value():
> + */
> + uint64_t values[DRM_OBJECT_MAX_PROPERTY];
> +};
> +
> +/* Avoid boilerplate. I'm tired of typing. */
> +#define DRM_ENUM_NAME_FN(fnname, list) \
> + const char *fnname(int val) \
> + { \
> + int i; \
> + for (i = 0; i < ARRAY_SIZE(list); i++) { \
> + if (list[i].type == val) \
> + return list[i].name; \
> + } \
> + return "(unknown)"; \
> + }
> +
> struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
> uint32_t id, uint32_t type);
> void drm_mode_object_reference(struct drm_mode_object *obj);
> void drm_mode_object_unreference(struct drm_mode_object *obj);
>
> -/* FIXME: This is temporary until we have a drm_connector.h */
> -enum drm_connector_force {
> - DRM_FORCE_UNSPECIFIED,
> - DRM_FORCE_OFF,
> - DRM_FORCE_ON, /* force on analog part normally */
> - DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
> -};
> -
> #endif
> --
> 2.8.1
>
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