diff options
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 4179 |
1 files changed, 591 insertions, 3588 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index fc83bb9eb514..a7797d260f1e 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -33,1458 +33,501 @@ #include <linux/list.h> #include <linux/slab.h> #include <linux/export.h> -#include <drm/drmP.h> +#include <linux/dma-fence.h> +#include <linux/uaccess.h> +#include <drm/drm_blend.h> #include <drm/drm_crtc.h> #include <drm/drm_edid.h> #include <drm/drm_fourcc.h> +#include <drm/drm_framebuffer.h> +#include <drm/drm_managed.h> +#include <drm/drm_modeset_lock.h> +#include <drm/drm_atomic.h> +#include <drm/drm_auth.h> +#include <drm/drm_debugfs_crc.h> +#include <drm/drm_drv.h> +#include <drm/drm_print.h> +#include <drm/drm_file.h> -/** - * drm_modeset_lock_all - take all modeset locks - * @dev: drm device - * - * This function takes all modeset locks, suitable where a more fine-grained - * scheme isn't (yet) implemented. - */ -void drm_modeset_lock_all(struct drm_device *dev) -{ - struct drm_crtc *crtc; - - mutex_lock(&dev->mode_config.mutex); - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); -} -EXPORT_SYMBOL(drm_modeset_lock_all); +#include "drm_crtc_internal.h" +#include "drm_internal.h" /** - * drm_modeset_unlock_all - drop all modeset locks - * @dev: device + * DOC: overview + * + * A CRTC represents the overall display pipeline. It receives pixel data from + * &drm_plane and blends them together. The &drm_display_mode is also attached + * to the CRTC, specifying display timings. On the output side the data is fed + * to one or more &drm_encoder, which are then each connected to one + * &drm_connector. + * + * To create a CRTC, a KMS driver allocates and zeroes an instance of + * &struct drm_crtc (possibly as part of a larger structure) and registers it + * with a call to drm_crtc_init_with_planes(). + * + * The CRTC is also the entry point for legacy modeset operations (see + * &drm_crtc_funcs.set_config), legacy plane operations (see + * &drm_crtc_funcs.page_flip and &drm_crtc_funcs.cursor_set2), and other legacy + * operations like &drm_crtc_funcs.gamma_set. For atomic drivers all these + * features are controlled through &drm_property and + * &drm_mode_config_funcs.atomic_check. */ -void drm_modeset_unlock_all(struct drm_device *dev) -{ - struct drm_crtc *crtc; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - mutex_unlock(&crtc->mutex); - - mutex_unlock(&dev->mode_config.mutex); -} -EXPORT_SYMBOL(drm_modeset_unlock_all); /** - * drm_warn_on_modeset_not_all_locked - check that all modeset locks are locked - * @dev: device + * drm_crtc_from_index - find the registered CRTC at an index + * @dev: DRM device + * @idx: index of registered CRTC to find for + * + * Given a CRTC index, return the registered CRTC from DRM device's + * list of CRTCs with matching index. This is the inverse of drm_crtc_index(). + * It's useful in the vblank callbacks (like &drm_driver.enable_vblank or + * &drm_driver.disable_vblank), since that still deals with indices instead + * of pointers to &struct drm_crtc." */ -void drm_warn_on_modeset_not_all_locked(struct drm_device *dev) +struct drm_crtc *drm_crtc_from_index(struct drm_device *dev, int idx) { struct drm_crtc *crtc; - /* Locking is currently fubar in the panic handler. */ - if (oops_in_progress) - return; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - WARN_ON(!mutex_is_locked(&crtc->mutex)); - - WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); -} -EXPORT_SYMBOL(drm_warn_on_modeset_not_all_locked); - -/* 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) - -/* - * 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_dithering_mode_enum_list[] = -{ - { DRM_MODE_DITHERING_OFF, "Off" }, - { DRM_MODE_DITHERING_ON, "On" }, - { DRM_MODE_DITHERING_AUTO, "Automatic" }, -}; - -/* - * 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_for_each_crtc(crtc, dev) + if (idx == crtc->index) + return crtc; -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) - -static const struct drm_prop_enum_list drm_dirty_info_enum_list[] = { - { DRM_MODE_DIRTY_OFF, "Off" }, - { DRM_MODE_DIRTY_ON, "On" }, - { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, -}; - -struct drm_conn_prop_enum_list { - int type; - const char *name; - int count; -}; - -/* - * Connector and encoder types. - */ -static struct drm_conn_prop_enum_list drm_connector_enum_list[] = -{ { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, - { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, - { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, - { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, - { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, - { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, - { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, - { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, - { DRM_MODE_CONNECTOR_Component, "Component", 0 }, - { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, - { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, - { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, - { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, - { DRM_MODE_CONNECTOR_TV, "TV", 0 }, - { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, - { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, -}; - -static const struct drm_prop_enum_list drm_encoder_enum_list[] = -{ { DRM_MODE_ENCODER_NONE, "None" }, - { DRM_MODE_ENCODER_DAC, "DAC" }, - { DRM_MODE_ENCODER_TMDS, "TMDS" }, - { DRM_MODE_ENCODER_LVDS, "LVDS" }, - { DRM_MODE_ENCODER_TVDAC, "TV" }, - { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, -}; - -const char *drm_get_encoder_name(const struct drm_encoder *encoder) -{ - static char buf[32]; - - snprintf(buf, 32, "%s-%d", - drm_encoder_enum_list[encoder->encoder_type].name, - encoder->base.id); - return buf; + return NULL; } -EXPORT_SYMBOL(drm_get_encoder_name); +EXPORT_SYMBOL(drm_crtc_from_index); -const char *drm_get_connector_name(const struct drm_connector *connector) +int drm_crtc_force_disable(struct drm_crtc *crtc) { - static char buf[32]; + struct drm_mode_set set = { + .crtc = crtc, + }; - snprintf(buf, 32, "%s-%d", - drm_connector_enum_list[connector->connector_type].name, - connector->connector_type_id); - return buf; -} -EXPORT_SYMBOL(drm_get_connector_name); + WARN_ON(drm_drv_uses_atomic_modeset(crtc->dev)); -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"; + return drm_mode_set_config_internal(&set); } -EXPORT_SYMBOL(drm_get_connector_status_name); -static char printable_char(int c) +int drm_crtc_register_all(struct drm_device *dev) { - return isascii(c) && isprint(c) ? c : '?'; -} + struct drm_crtc *crtc; + int ret = 0; -const char *drm_get_format_name(uint32_t format) -{ - static char buf[32]; - - snprintf(buf, sizeof(buf), - "%c%c%c%c %s-endian (0x%08x)", - printable_char(format & 0xff), - printable_char((format >> 8) & 0xff), - printable_char((format >> 16) & 0xff), - printable_char((format >> 24) & 0x7f), - format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", - format); - - return buf; -} -EXPORT_SYMBOL(drm_get_format_name); + drm_for_each_crtc(crtc, dev) { + drm_debugfs_crtc_add(crtc); -/** - * drm_mode_object_get - allocate a new modeset identifier - * @dev: DRM device - * @obj: object pointer, used to generate unique ID - * @obj_type: object type - * - * Create a unique identifier based on @ptr in @dev's identifier space. Used - * for tracking modes, CRTCs and connectors. - * - * RETURNS: - * New unique (relative to other objects in @dev) integer identifier for the - * object. - */ -static int drm_mode_object_get(struct drm_device *dev, - struct drm_mode_object *obj, uint32_t obj_type) -{ - int ret; - - mutex_lock(&dev->mode_config.idr_mutex); - ret = idr_alloc(&dev->mode_config.crtc_idr, obj, 1, 0, GFP_KERNEL); - if (ret >= 0) { - /* - * Set up the object linking under the protection of the idr - * lock so that other users can't see inconsistent state. - */ - obj->id = ret; - obj->type = obj_type; + if (crtc->funcs->late_register) + ret = crtc->funcs->late_register(crtc); + if (ret) + return ret; } - mutex_unlock(&dev->mode_config.idr_mutex); - return ret < 0 ? ret : 0; -} - -/** - * drm_mode_object_put - free a modeset identifer - * @dev: DRM device - * @object: object to free - * - * Free @id from @dev's unique identifier pool. - */ -static void drm_mode_object_put(struct drm_device *dev, - struct drm_mode_object *object) -{ - mutex_lock(&dev->mode_config.idr_mutex); - idr_remove(&dev->mode_config.crtc_idr, object->id); - mutex_unlock(&dev->mode_config.idr_mutex); + return 0; } -/** - * drm_mode_object_find - look up a drm object with static lifetime - * @dev: drm device - * @id: id of the mode object - * @type: type of the mode object - * - * Note that framebuffers cannot be looked up with this functions - since those - * are reference counted, they need special treatment. - */ -struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, - uint32_t id, uint32_t type) +void drm_crtc_unregister_all(struct drm_device *dev) { - struct drm_mode_object *obj = NULL; - - /* Framebuffers are reference counted and need their own lookup - * function.*/ - WARN_ON(type == DRM_MODE_OBJECT_FB); - - mutex_lock(&dev->mode_config.idr_mutex); - obj = idr_find(&dev->mode_config.crtc_idr, id); - if (!obj || (obj->type != type) || (obj->id != id)) - obj = NULL; - mutex_unlock(&dev->mode_config.idr_mutex); + struct drm_crtc *crtc; - return obj; + drm_for_each_crtc(crtc, dev) { + if (crtc->funcs->early_unregister) + crtc->funcs->early_unregister(crtc); + drm_debugfs_crtc_remove(crtc); + } } -EXPORT_SYMBOL(drm_mode_object_find); -/** - * drm_framebuffer_init - initialize a framebuffer - * @dev: DRM device - * @fb: framebuffer to be initialized - * @funcs: ... with these functions - * - * Allocates an ID for the framebuffer's parent mode object, sets its mode - * functions & device file and adds it to the master fd list. - * - * IMPORTANT: - * This functions publishes the fb and makes it available for concurrent access - * by other users. Which means by this point the fb _must_ be fully set up - - * since all the fb attributes are invariant over its lifetime, no further - * locking but only correct reference counting is required. - * - * RETURNS: - * Zero on success, error code on failure. - */ -int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, - const struct drm_framebuffer_funcs *funcs) +static int drm_crtc_crc_init(struct drm_crtc *crtc) { - int ret; - - mutex_lock(&dev->mode_config.fb_lock); - kref_init(&fb->refcount); - INIT_LIST_HEAD(&fb->filp_head); - fb->dev = dev; - fb->funcs = funcs; - - ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); - if (ret) - goto out; - - /* Grab the idr reference. */ - drm_framebuffer_reference(fb); - - dev->mode_config.num_fb++; - list_add(&fb->head, &dev->mode_config.fb_list); -out: - mutex_unlock(&dev->mode_config.fb_lock); - +#ifdef CONFIG_DEBUG_FS + spin_lock_init(&crtc->crc.lock); + init_waitqueue_head(&crtc->crc.wq); + crtc->crc.source = kstrdup("auto", GFP_KERNEL); + if (!crtc->crc.source) + return -ENOMEM; +#endif return 0; } -EXPORT_SYMBOL(drm_framebuffer_init); -static void drm_framebuffer_free(struct kref *kref) +static void drm_crtc_crc_fini(struct drm_crtc *crtc) { - struct drm_framebuffer *fb = - container_of(kref, struct drm_framebuffer, refcount); - fb->funcs->destroy(fb); +#ifdef CONFIG_DEBUG_FS + kfree(crtc->crc.source); +#endif } -static struct drm_framebuffer *__drm_framebuffer_lookup(struct drm_device *dev, - uint32_t id) -{ - struct drm_mode_object *obj = NULL; - struct drm_framebuffer *fb; - - mutex_lock(&dev->mode_config.idr_mutex); - obj = idr_find(&dev->mode_config.crtc_idr, id); - if (!obj || (obj->type != DRM_MODE_OBJECT_FB) || (obj->id != id)) - fb = NULL; - else - fb = obj_to_fb(obj); - mutex_unlock(&dev->mode_config.idr_mutex); - - return fb; -} +static const struct dma_fence_ops drm_crtc_fence_ops; -/** - * drm_framebuffer_lookup - look up a drm framebuffer and grab a reference - * @dev: drm device - * @id: id of the fb object - * - * If successful, this grabs an additional reference to the framebuffer - - * callers need to make sure to eventually unreference the returned framebuffer - * again. - */ -struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, - uint32_t id) +static struct drm_crtc *fence_to_crtc(struct dma_fence *fence) { - struct drm_framebuffer *fb; - - mutex_lock(&dev->mode_config.fb_lock); - fb = __drm_framebuffer_lookup(dev, id); - if (fb) - drm_framebuffer_reference(fb); - mutex_unlock(&dev->mode_config.fb_lock); - - return fb; + BUG_ON(fence->ops != &drm_crtc_fence_ops); + return container_of(fence->lock, struct drm_crtc, fence_lock); } -EXPORT_SYMBOL(drm_framebuffer_lookup); -/** - * drm_framebuffer_unreference - unref a framebuffer - * @fb: framebuffer to unref - * - * This functions decrements the fb's refcount and frees it if it drops to zero. - */ -void drm_framebuffer_unreference(struct drm_framebuffer *fb) +static const char *drm_crtc_fence_get_driver_name(struct dma_fence *fence) { - DRM_DEBUG("FB ID: %d\n", fb->base.id); - kref_put(&fb->refcount, drm_framebuffer_free); -} -EXPORT_SYMBOL(drm_framebuffer_unreference); + struct drm_crtc *crtc = fence_to_crtc(fence); -/** - * drm_framebuffer_reference - incr the fb refcnt - * @fb: framebuffer - */ -void drm_framebuffer_reference(struct drm_framebuffer *fb) -{ - DRM_DEBUG("FB ID: %d\n", fb->base.id); - kref_get(&fb->refcount); + return crtc->dev->driver->name; } -EXPORT_SYMBOL(drm_framebuffer_reference); -static void drm_framebuffer_free_bug(struct kref *kref) +static const char *drm_crtc_fence_get_timeline_name(struct dma_fence *fence) { - BUG(); -} + struct drm_crtc *crtc = fence_to_crtc(fence); -static void __drm_framebuffer_unreference(struct drm_framebuffer *fb) -{ - DRM_DEBUG("FB ID: %d\n", fb->base.id); - kref_put(&fb->refcount, drm_framebuffer_free_bug); + return crtc->timeline_name; } -/* dev->mode_config.fb_lock must be held! */ -static void __drm_framebuffer_unregister(struct drm_device *dev, - struct drm_framebuffer *fb) +static const struct dma_fence_ops drm_crtc_fence_ops = { + .get_driver_name = drm_crtc_fence_get_driver_name, + .get_timeline_name = drm_crtc_fence_get_timeline_name, +}; + +struct dma_fence *drm_crtc_create_fence(struct drm_crtc *crtc) { - mutex_lock(&dev->mode_config.idr_mutex); - idr_remove(&dev->mode_config.crtc_idr, fb->base.id); - mutex_unlock(&dev->mode_config.idr_mutex); + struct dma_fence *fence; - fb->base.id = 0; + fence = kzalloc(sizeof(*fence), GFP_KERNEL); + if (!fence) + return NULL; - __drm_framebuffer_unreference(fb); -} + dma_fence_init(fence, &drm_crtc_fence_ops, &crtc->fence_lock, + crtc->fence_context, ++crtc->fence_seqno); -/** - * drm_framebuffer_unregister_private - unregister a private fb from the lookup idr - * @fb: fb to unregister - * - * Drivers need to call this when cleaning up driver-private framebuffers, e.g. - * those used for fbdev. Note that the caller must hold a reference of it's own, - * i.e. the object may not be destroyed through this call (since it'll lead to a - * locking inversion). - */ -void drm_framebuffer_unregister_private(struct drm_framebuffer *fb) -{ - struct drm_device *dev = fb->dev; - - mutex_lock(&dev->mode_config.fb_lock); - /* Mark fb as reaped and drop idr ref. */ - __drm_framebuffer_unregister(dev, fb); - mutex_unlock(&dev->mode_config.fb_lock); + return fence; } -EXPORT_SYMBOL(drm_framebuffer_unregister_private); /** - * drm_framebuffer_cleanup - remove a framebuffer object - * @fb: framebuffer to remove + * DOC: standard CRTC properties * - * Cleanup references to a user-created framebuffer. This function is intended - * to be used from the drivers ->destroy callback. + * DRM CRTCs have a few standardized properties: * - * Note that this function does not remove the fb from active usuage - if it is - * still used anywhere, hilarity can ensue since userspace could call getfb on - * the id and get back -EINVAL. Obviously no concern at driver unload time. + * ACTIVE: + * Atomic property for setting the power state of the CRTC. When set to 1 + * the CRTC will actively display content. When set to 0 the CRTC will be + * powered off. There is no expectation that user-space will reset CRTC + * resources like the mode and planes when setting ACTIVE to 0. * - * Also, the framebuffer will not be removed from the lookup idr - for - * user-created framebuffers this will happen in in the rmfb ioctl. For - * driver-private objects (e.g. for fbdev) drivers need to explicitly call - * drm_framebuffer_unregister_private. - */ -void drm_framebuffer_cleanup(struct drm_framebuffer *fb) -{ - struct drm_device *dev = fb->dev; - - mutex_lock(&dev->mode_config.fb_lock); - list_del(&fb->head); - dev->mode_config.num_fb--; - mutex_unlock(&dev->mode_config.fb_lock); -} -EXPORT_SYMBOL(drm_framebuffer_cleanup); - -/** - * drm_framebuffer_remove - remove and unreference a framebuffer object - * @fb: framebuffer to remove - * - * Scans all the CRTCs and planes in @dev's mode_config. If they're - * using @fb, removes it, setting it to NULL. Then drops the reference to the - * passed-in framebuffer. Might take the modeset locks. + * User-space can rely on an ACTIVE change to 1 to never fail an atomic + * test as long as no other property has changed. If a change to ACTIVE + * fails an atomic test, this is a driver bug. For this reason setting + * ACTIVE to 0 must not release internal resources (like reserved memory + * bandwidth or clock generators). * - * Note that this function optimizes the cleanup away if the caller holds the - * last reference to the framebuffer. It is also guaranteed to not take the - * modeset locks in this case. - */ -void drm_framebuffer_remove(struct drm_framebuffer *fb) -{ - struct drm_device *dev = fb->dev; - struct drm_crtc *crtc; - struct drm_plane *plane; - struct drm_mode_set set; - int ret; - - WARN_ON(!list_empty(&fb->filp_head)); - - /* - * drm ABI mandates that we remove any deleted framebuffers from active - * useage. But since most sane clients only remove framebuffers they no - * longer need, try to optimize this away. - * - * Since we're holding a reference ourselves, observing a refcount of 1 - * means that we're the last holder and can skip it. Also, the refcount - * can never increase from 1 again, so we don't need any barriers or - * locks. - * - * Note that userspace could try to race with use and instate a new - * usage _after_ we've cleared all current ones. End result will be an - * in-use fb with fb-id == 0. Userspace is allowed to shoot its own foot - * in this manner. - */ - if (atomic_read(&fb->refcount.refcount) > 1) { - drm_modeset_lock_all(dev); - /* remove from any CRTC */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - if (crtc->fb == fb) { - /* should turn off the crtc */ - memset(&set, 0, sizeof(struct drm_mode_set)); - set.crtc = crtc; - set.fb = NULL; - ret = drm_mode_set_config_internal(&set); - if (ret) - DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); - } - } - - list_for_each_entry(plane, &dev->mode_config.plane_list, head) { - if (plane->fb == fb) - drm_plane_force_disable(plane); - } - drm_modeset_unlock_all(dev); - } - - drm_framebuffer_unreference(fb); -} -EXPORT_SYMBOL(drm_framebuffer_remove); - -/** - * drm_crtc_init - Initialise a new CRTC object - * @dev: DRM device - * @crtc: CRTC object to init - * @funcs: callbacks for the new CRTC + * Note that the legacy DPMS property on connectors is internally routed + * to control this property for atomic drivers. + * MODE_ID: + * Atomic property for setting the CRTC display timings. The value is the + * ID of a blob containing the DRM mode info. To disable the CRTC, + * user-space must set this property to 0. * - * Inits a new object created as base part of a driver crtc object. + * Setting MODE_ID to 0 will release reserved resources for the CRTC. + * SCALING_FILTER: + * Atomic property for setting the scaling filter for CRTC scaler * - * RETURNS: - * Zero on success, error code on failure. - */ -int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, - const struct drm_crtc_funcs *funcs) -{ - int ret; - - crtc->dev = dev; - crtc->funcs = funcs; - crtc->invert_dimensions = false; - - drm_modeset_lock_all(dev); - mutex_init(&crtc->mutex); - mutex_lock_nest_lock(&crtc->mutex, &dev->mode_config.mutex); - - ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); - if (ret) - goto out; - - crtc->base.properties = &crtc->properties; - - list_add_tail(&crtc->head, &dev->mode_config.crtc_list); - dev->mode_config.num_crtc++; - - out: - drm_modeset_unlock_all(dev); - - return ret; -} -EXPORT_SYMBOL(drm_crtc_init); - -/** - * drm_crtc_cleanup - Clean up the core crtc usage - * @crtc: CRTC to cleanup + * The value of this property can be one of the following: * - * This function cleans up @crtc and removes it from the DRM mode setting - * core. Note that the function does *not* free the crtc structure itself, - * this is the responsibility of the caller. - */ -void drm_crtc_cleanup(struct drm_crtc *crtc) -{ - struct drm_device *dev = crtc->dev; - - kfree(crtc->gamma_store); - crtc->gamma_store = NULL; - - drm_mode_object_put(dev, &crtc->base); - list_del(&crtc->head); - dev->mode_config.num_crtc--; -} -EXPORT_SYMBOL(drm_crtc_cleanup); - -/** - * drm_mode_probed_add - add a mode to a connector's probed mode list - * @connector: connector the new mode - * @mode: mode data + * Default: + * Driver's default scaling filter + * Nearest Neighbor: + * Nearest Neighbor scaling filter + * SHARPNESS_STRENGTH: + * Atomic property for setting the sharpness strength/intensity by userspace. * - * Add @mode to @connector's mode list for later use. - */ -void drm_mode_probed_add(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - list_add_tail(&mode->head, &connector->probed_modes); -} -EXPORT_SYMBOL(drm_mode_probed_add); - -/** - * drm_mode_remove - remove and free a mode - * @connector: connector list to modify - * @mode: mode to remove + * The value of this property is set as an integer value ranging + * from 0 - 255 where: * - * Remove @mode from @connector's mode list, then free it. - */ -void drm_mode_remove(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - list_del(&mode->head); - drm_mode_destroy(connector->dev, mode); -} -EXPORT_SYMBOL(drm_mode_remove); - -/** - * 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 + * 0: Sharpness feature is disabled(default value). * - * Initialises a preallocated connector. Connectors should be - * subclassed as part of driver connector objects. + * 1: Minimum sharpness. * - * 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) -{ - int ret; - - drm_modeset_lock_all(dev); - - ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); - if (ret) - goto out; - - connector->base.properties = &connector->properties; - connector->dev = dev; - connector->funcs = funcs; - connector->connector_type = connector_type; - connector->connector_type_id = - ++drm_connector_enum_list[connector_type].count; /* TODO */ - INIT_LIST_HEAD(&connector->probed_modes); - INIT_LIST_HEAD(&connector->modes); - connector->edid_blob_ptr = NULL; - connector->status = connector_status_unknown; - - list_add_tail(&connector->head, &dev->mode_config.connector_list); - dev->mode_config.num_connector++; - - if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) - drm_object_attach_property(&connector->base, - dev->mode_config.edid_property, - 0); - - drm_object_attach_property(&connector->base, - dev->mode_config.dpms_property, 0); - - out: - drm_modeset_unlock_all(dev); - - return ret; -} -EXPORT_SYMBOL(drm_connector_init); - -/** - * drm_connector_cleanup - cleans up an initialised connector - * @connector: connector to cleanup + * 255: Maximum sharpness. * - * Cleans up the connector but doesn't free the object. + * User can gradually increase or decrease the sharpness level and can + * set the optimum value depending on content. + * This value will be passed to kernel through the UAPI. + * The setting of this property does not require modeset. + * The sharpness effect takes place post blending on the final composed output. + * If the feature is disabled, the content remains same without any sharpening effect + * and when this feature is applied, it enhances the clarity of the content. */ -void drm_connector_cleanup(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct drm_display_mode *mode, *t; - 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); - - drm_mode_object_put(dev, &connector->base); - list_del(&connector->head); - dev->mode_config.num_connector--; -} -EXPORT_SYMBOL(drm_connector_cleanup); - -void drm_connector_unplug_all(struct drm_device *dev) -{ - struct drm_connector *connector; - - /* taking the mode config mutex ends up in a clash with sysfs */ - list_for_each_entry(connector, &dev->mode_config.connector_list, head) - drm_sysfs_connector_remove(connector); - -} -EXPORT_SYMBOL(drm_connector_unplug_all); - -int drm_encoder_init(struct drm_device *dev, - struct drm_encoder *encoder, - const struct drm_encoder_funcs *funcs, - int encoder_type) +__printf(6, 0) +static int __drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, + struct drm_plane *primary, + struct drm_plane *cursor, + const struct drm_crtc_funcs *funcs, + const char *name, va_list ap) { + struct drm_mode_config *config = &dev->mode_config; int ret; - drm_modeset_lock_all(dev); + WARN_ON(primary && primary->type != DRM_PLANE_TYPE_PRIMARY); + WARN_ON(cursor && cursor->type != DRM_PLANE_TYPE_CURSOR); - ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); - if (ret) - goto out; - - encoder->dev = dev; - encoder->encoder_type = encoder_type; - encoder->funcs = funcs; - - list_add_tail(&encoder->head, &dev->mode_config.encoder_list); - dev->mode_config.num_encoder++; - - out: - drm_modeset_unlock_all(dev); - - return ret; -} -EXPORT_SYMBOL(drm_encoder_init); + /* crtc index is used with 32bit bitmasks */ + if (WARN_ON(config->num_crtc >= 32)) + return -EINVAL; -void drm_encoder_cleanup(struct drm_encoder *encoder) -{ - struct drm_device *dev = encoder->dev; - drm_modeset_lock_all(dev); - drm_mode_object_put(dev, &encoder->base); - list_del(&encoder->head); - dev->mode_config.num_encoder--; - drm_modeset_unlock_all(dev); -} -EXPORT_SYMBOL(drm_encoder_cleanup); + WARN_ON(drm_drv_uses_atomic_modeset(dev) && + (!funcs->atomic_destroy_state || + !funcs->atomic_duplicate_state)); -/** - * drm_plane_init - Initialise a new plane object - * @dev: DRM device - * @plane: plane object to init - * @possible_crtcs: bitmask of possible CRTCs - * @funcs: callbacks for the new plane - * @formats: array of supported formats (%DRM_FORMAT_*) - * @format_count: number of elements in @formats - * @priv: plane is private (hidden from userspace)? - * - * Inits a new object created as base part of a driver plane object. - * - * RETURNS: - * Zero on success, error code on failure. - */ -int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, - unsigned long possible_crtcs, - const struct drm_plane_funcs *funcs, - const uint32_t *formats, uint32_t format_count, - bool priv) -{ - int ret; + crtc->dev = dev; + crtc->funcs = funcs; - drm_modeset_lock_all(dev); + INIT_LIST_HEAD(&crtc->commit_list); + spin_lock_init(&crtc->commit_lock); - ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); + drm_modeset_lock_init(&crtc->mutex); + ret = drm_mode_object_add(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); if (ret) - goto out; - - plane->base.properties = &plane->properties; - plane->dev = dev; - plane->funcs = funcs; - plane->format_types = kmalloc(sizeof(uint32_t) * format_count, - GFP_KERNEL); - if (!plane->format_types) { - DRM_DEBUG_KMS("out of memory when allocating plane\n"); - drm_mode_object_put(dev, &plane->base); - ret = -ENOMEM; - goto out; - } - - memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); - plane->format_count = format_count; - plane->possible_crtcs = possible_crtcs; + return ret; - /* private planes are not exposed to userspace, but depending on - * display hardware, might be convenient to allow sharing programming - * for the scanout engine with the crtc implementation. - */ - if (!priv) { - list_add_tail(&plane->head, &dev->mode_config.plane_list); - dev->mode_config.num_plane++; + if (name) { + crtc->name = kvasprintf(GFP_KERNEL, name, ap); } else { - INIT_LIST_HEAD(&plane->head); + crtc->name = kasprintf(GFP_KERNEL, "crtc-%d", config->num_crtc); } - - out: - drm_modeset_unlock_all(dev); - - return ret; -} -EXPORT_SYMBOL(drm_plane_init); - -/** - * drm_plane_cleanup - Clean up the core plane usage - * @plane: plane to cleanup - * - * This function cleans up @plane and removes it from the DRM mode setting - * core. Note that the function does *not* free the plane structure itself, - * this is the responsibility of the caller. - */ -void drm_plane_cleanup(struct drm_plane *plane) -{ - struct drm_device *dev = plane->dev; - - drm_modeset_lock_all(dev); - kfree(plane->format_types); - drm_mode_object_put(dev, &plane->base); - /* if not added to a list, it must be a private plane */ - if (!list_empty(&plane->head)) { - list_del(&plane->head); - dev->mode_config.num_plane--; + if (!crtc->name) { + drm_mode_object_unregister(dev, &crtc->base); + return -ENOMEM; } - drm_modeset_unlock_all(dev); -} -EXPORT_SYMBOL(drm_plane_cleanup); - -/** - * drm_plane_force_disable - Forcibly disable a plane - * @plane: plane to disable - * - * Forces the plane to be disabled. - * - * Used when the plane's current framebuffer is destroyed, - * and when restoring fbdev mode. - */ -void drm_plane_force_disable(struct drm_plane *plane) -{ - int ret; - if (!plane->fb) - return; + crtc->fence_context = dma_fence_context_alloc(1); + spin_lock_init(&crtc->fence_lock); + snprintf(crtc->timeline_name, sizeof(crtc->timeline_name), + "CRTC:%d-%s", crtc->base.id, crtc->name); - ret = plane->funcs->disable_plane(plane); - if (ret) - DRM_ERROR("failed to disable plane with busy fb\n"); - /* disconnect the plane from the fb and crtc: */ - __drm_framebuffer_unreference(plane->fb); - plane->fb = NULL; - plane->crtc = NULL; -} -EXPORT_SYMBOL(drm_plane_force_disable); + crtc->base.properties = &crtc->properties; -/** - * drm_mode_create - create a new display mode - * @dev: DRM device - * - * Create a new drm_display_mode, give it an ID, and return it. - * - * RETURNS: - * Pointer to new mode on success, NULL on error. - */ -struct drm_display_mode *drm_mode_create(struct drm_device *dev) -{ - struct drm_display_mode *nmode; + list_add_tail(&crtc->head, &config->crtc_list); + crtc->index = config->num_crtc++; - nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); - if (!nmode) - return NULL; + crtc->primary = primary; + crtc->cursor = cursor; + if (primary && !primary->possible_crtcs) + primary->possible_crtcs = drm_crtc_mask(crtc); + if (cursor && !cursor->possible_crtcs) + cursor->possible_crtcs = drm_crtc_mask(crtc); - if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { - kfree(nmode); - return NULL; + ret = drm_crtc_crc_init(crtc); + if (ret) { + drm_mode_object_unregister(dev, &crtc->base); + return ret; } - return nmode; -} -EXPORT_SYMBOL(drm_mode_create); - -/** - * drm_mode_destroy - remove a mode - * @dev: DRM device - * @mode: mode to remove - * - * Free @mode's unique identifier, then free it. - */ -void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) -{ - if (!mode) - return; - - drm_mode_object_put(dev, &mode->base); - - kfree(mode); -} -EXPORT_SYMBOL(drm_mode_destroy); - -static int drm_mode_create_standard_connector_properties(struct drm_device *dev) -{ - struct drm_property *edid; - struct drm_property *dpms; - - /* - * Standard properties (apply to all connectors) - */ - edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | - DRM_MODE_PROP_IMMUTABLE, - "EDID", 0); - dev->mode_config.edid_property = edid; - - dpms = drm_property_create_enum(dev, 0, - "DPMS", drm_dpms_enum_list, - ARRAY_SIZE(drm_dpms_enum_list)); - dev->mode_config.dpms_property = dpms; + if (drm_core_check_feature(dev, DRIVER_ATOMIC)) { + drm_object_attach_property(&crtc->base, config->prop_active, 0); + drm_object_attach_property(&crtc->base, config->prop_mode_id, 0); + drm_object_attach_property(&crtc->base, + config->prop_out_fence_ptr, 0); + drm_object_attach_property(&crtc->base, + config->prop_vrr_enabled, 0); + } return 0; } /** - * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties + * drm_crtc_init_with_planes - Initialise a new CRTC object with + * specified primary and cursor planes. * @dev: DRM device - * - * Called by a driver the first time a DVI-I connector is made. + * @crtc: CRTC object to init + * @primary: Primary plane for CRTC + * @cursor: Cursor plane for CRTC + * @funcs: callbacks for the new CRTC + * @name: printf style format string for the CRTC name, or NULL for default name + * + * Inits a new object created as base part of a driver crtc object. Drivers + * should use this function instead of drm_crtc_init(), which is only provided + * for backwards compatibility with drivers which do not yet support universal + * planes). For really simple hardware which has only 1 plane look at + * drm_simple_display_pipe_init() instead. + * The &drm_crtc_funcs.destroy hook should call drm_crtc_cleanup() and kfree() + * the crtc structure. The crtc structure should not be allocated with + * devm_kzalloc(). + * + * The @primary and @cursor planes are only relevant for legacy uAPI, see + * &drm_crtc.primary and &drm_crtc.cursor. + * + * Note: consider using drmm_crtc_alloc_with_planes() or + * drmm_crtc_init_with_planes() instead of drm_crtc_init_with_planes() + * to let the DRM managed resource infrastructure take care of cleanup + * and deallocation. + * + * Returns: + * Zero on success, error code on failure. */ -int drm_mode_create_dvi_i_properties(struct drm_device *dev) +int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, + struct drm_plane *primary, + struct drm_plane *cursor, + const struct drm_crtc_funcs *funcs, + const char *name, ...) { - struct drm_property *dvi_i_selector; - struct drm_property *dvi_i_subconnector; - - if (dev->mode_config.dvi_i_select_subconnector_property) - return 0; + va_list ap; + int ret; - 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; + WARN_ON(!funcs->destroy); - 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; + va_start(ap, name); + ret = __drm_crtc_init_with_planes(dev, crtc, primary, cursor, funcs, + name, ap); + va_end(ap); - return 0; + return ret; } -EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); +EXPORT_SYMBOL(drm_crtc_init_with_planes); -/** - * 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, int num_modes, - char *modes[]) +static void drmm_crtc_init_with_planes_cleanup(struct drm_device *dev, + void *ptr) { - struct drm_property *tv_selector; - struct drm_property *tv_subconnector; - 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)); - 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)); - 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); - - dev->mode_config.tv_right_margin_property = - drm_property_create_range(dev, 0, "right margin", 0, 100); - - dev->mode_config.tv_top_margin_property = - drm_property_create_range(dev, 0, "top margin", 0, 100); - - dev->mode_config.tv_bottom_margin_property = - drm_property_create_range(dev, 0, "bottom margin", 0, 100); - - dev->mode_config.tv_mode_property = - drm_property_create(dev, DRM_MODE_PROP_ENUM, - "mode", num_modes); - 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); - - dev->mode_config.tv_contrast_property = - drm_property_create_range(dev, 0, "contrast", 0, 100); - - dev->mode_config.tv_flicker_reduction_property = - drm_property_create_range(dev, 0, "flicker reduction", 0, 100); - - dev->mode_config.tv_overscan_property = - drm_property_create_range(dev, 0, "overscan", 0, 100); - - dev->mode_config.tv_saturation_property = - drm_property_create_range(dev, 0, "saturation", 0, 100); + struct drm_crtc *crtc = ptr; - dev->mode_config.tv_hue_property = - drm_property_create_range(dev, 0, "hue", 0, 100); - - return 0; + drm_crtc_cleanup(crtc); } -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) +__printf(6, 0) +static int __drmm_crtc_init_with_planes(struct drm_device *dev, + struct drm_crtc *crtc, + struct drm_plane *primary, + struct drm_plane *cursor, + const struct drm_crtc_funcs *funcs, + const char *name, + va_list args) { - struct drm_property *scaling_mode; + int ret; - if (dev->mode_config.scaling_mode_property) - return 0; + drm_WARN_ON(dev, funcs && funcs->destroy); - scaling_mode = - drm_property_create_enum(dev, 0, "scaling mode", - drm_scaling_mode_enum_list, - ARRAY_SIZE(drm_scaling_mode_enum_list)); + ret = __drm_crtc_init_with_planes(dev, crtc, primary, cursor, funcs, + name, args); + if (ret) + return ret; - dev->mode_config.scaling_mode_property = scaling_mode; + ret = drmm_add_action_or_reset(dev, drmm_crtc_init_with_planes_cleanup, + crtc); + if (ret) + return ret; return 0; } -EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); /** - * drm_mode_create_dithering_property - create dithering property + * drmm_crtc_init_with_planes - Initialise a new CRTC object with + * specified primary and cursor planes. * @dev: DRM device + * @crtc: CRTC object to init + * @primary: Primary plane for CRTC + * @cursor: Cursor plane for CRTC + * @funcs: callbacks for the new CRTC + * @name: printf style format string for the CRTC name, or NULL for default name * - * Called by a driver the first time it's needed, must be attached to desired - * connectors. - */ -int drm_mode_create_dithering_property(struct drm_device *dev) -{ - struct drm_property *dithering_mode; - - if (dev->mode_config.dithering_mode_property) - return 0; - - dithering_mode = - drm_property_create_enum(dev, 0, "dithering", - drm_dithering_mode_enum_list, - ARRAY_SIZE(drm_dithering_mode_enum_list)); - dev->mode_config.dithering_mode_property = dithering_mode; - - return 0; -} -EXPORT_SYMBOL(drm_mode_create_dithering_property); - -/** - * drm_mode_create_dirty_property - create dirty property - * @dev: DRM device + * Inits a new object created as base part of a driver crtc object. Drivers + * should use this function instead of drm_crtc_init(), which is only provided + * for backwards compatibility with drivers which do not yet support universal + * planes). For really simple hardware which has only 1 plane look at + * drm_simple_display_pipe_init() instead. + * + * Cleanup is automatically handled through registering + * drmm_crtc_cleanup() with drmm_add_action(). The crtc structure should + * be allocated with drmm_kzalloc(). + * + * The @drm_crtc_funcs.destroy hook must be NULL. * - * Called by a driver the first time it's needed, must be attached to desired - * connectors. + * The @primary and @cursor planes are only relevant for legacy uAPI, see + * &drm_crtc.primary and &drm_crtc.cursor. + * + * Returns: + * Zero on success, error code on failure. */ -int drm_mode_create_dirty_info_property(struct drm_device *dev) -{ - struct drm_property *dirty_info; - - if (dev->mode_config.dirty_info_property) - return 0; - - dirty_info = - drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, - "dirty", - drm_dirty_info_enum_list, - ARRAY_SIZE(drm_dirty_info_enum_list)); - dev->mode_config.dirty_info_property = dirty_info; - - return 0; -} -EXPORT_SYMBOL(drm_mode_create_dirty_info_property); - -static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) +int drmm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, + struct drm_plane *primary, + struct drm_plane *cursor, + const struct drm_crtc_funcs *funcs, + const char *name, ...) { - uint32_t total_objects = 0; - - total_objects += dev->mode_config.num_crtc; - total_objects += dev->mode_config.num_connector; - total_objects += dev->mode_config.num_encoder; + va_list ap; + int ret; - group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); - if (!group->id_list) - return -ENOMEM; + va_start(ap, name); + ret = __drmm_crtc_init_with_planes(dev, crtc, primary, cursor, funcs, + name, ap); + va_end(ap); + if (ret) + return ret; - group->num_crtcs = 0; - group->num_connectors = 0; - group->num_encoders = 0; return 0; } +EXPORT_SYMBOL(drmm_crtc_init_with_planes); -int drm_mode_group_init_legacy_group(struct drm_device *dev, - struct drm_mode_group *group) +void *__drmm_crtc_alloc_with_planes(struct drm_device *dev, + size_t size, size_t offset, + struct drm_plane *primary, + struct drm_plane *cursor, + const struct drm_crtc_funcs *funcs, + const char *name, ...) { + void *container; struct drm_crtc *crtc; - struct drm_encoder *encoder; - struct drm_connector *connector; + va_list ap; int ret; - if ((ret = drm_mode_group_init(dev, group))) - return ret; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - group->id_list[group->num_crtcs++] = crtc->base.id; - - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) - group->id_list[group->num_crtcs + group->num_encoders++] = - encoder->base.id; + if (WARN_ON(!funcs || funcs->destroy)) + return ERR_PTR(-EINVAL); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) - group->id_list[group->num_crtcs + group->num_encoders + - group->num_connectors++] = connector->base.id; + container = drmm_kzalloc(dev, size, GFP_KERNEL); + if (!container) + return ERR_PTR(-ENOMEM); - return 0; -} -EXPORT_SYMBOL(drm_mode_group_init_legacy_group); + crtc = container + offset; -/** - * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo - * @out: drm_mode_modeinfo struct to return to the user - * @in: drm_display_mode to use - * - * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to - * the user. - */ -static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, - const struct drm_display_mode *in) -{ - WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || - in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || - in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || - in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || - in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, - "timing values too large for mode info\n"); - - out->clock = in->clock; - out->hdisplay = in->hdisplay; - out->hsync_start = in->hsync_start; - out->hsync_end = in->hsync_end; - out->htotal = in->htotal; - out->hskew = in->hskew; - out->vdisplay = in->vdisplay; - out->vsync_start = in->vsync_start; - out->vsync_end = in->vsync_end; - out->vtotal = in->vtotal; - out->vscan = in->vscan; - out->vrefresh = in->vrefresh; - out->flags = in->flags; - out->type = in->type; - strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); - out->name[DRM_DISPLAY_MODE_LEN-1] = 0; -} - -/** - * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode - * @out: drm_display_mode to return to the user - * @in: drm_mode_modeinfo to use - * - * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to - * the caller. - * - * RETURNS: - * Zero on success, errno on failure. - */ -static int drm_crtc_convert_umode(struct drm_display_mode *out, - const struct drm_mode_modeinfo *in) -{ - if (in->clock > INT_MAX || in->vrefresh > INT_MAX) - return -ERANGE; - - out->clock = in->clock; - out->hdisplay = in->hdisplay; - out->hsync_start = in->hsync_start; - out->hsync_end = in->hsync_end; - out->htotal = in->htotal; - out->hskew = in->hskew; - out->vdisplay = in->vdisplay; - out->vsync_start = in->vsync_start; - out->vsync_end = in->vsync_end; - out->vtotal = in->vtotal; - out->vscan = in->vscan; - out->vrefresh = in->vrefresh; - out->flags = in->flags; - out->type = in->type; - strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); - out->name[DRM_DISPLAY_MODE_LEN-1] = 0; + va_start(ap, name); + ret = __drmm_crtc_init_with_planes(dev, crtc, primary, cursor, funcs, + name, ap); + va_end(ap); + if (ret) + return ERR_PTR(ret); - return 0; + return container; } +EXPORT_SYMBOL(__drmm_crtc_alloc_with_planes); /** - * drm_mode_getresources - get graphics configuration - * @dev: drm device for the ioctl - * @data: data pointer for the ioctl - * @file_priv: drm file for the ioctl call - * - * Construct a set of configuration description structures and return - * them to the user, including CRTC, connector and framebuffer configuration. - * - * Called by the user via ioctl. + * drm_crtc_cleanup - Clean up the core crtc usage + * @crtc: CRTC to cleanup * - * RETURNS: - * Zero on success, errno on failure. + * This function cleans up @crtc and removes it from the DRM mode setting + * core. Note that the function does *not* free the crtc structure itself, + * this is the responsibility of the caller. */ -int drm_mode_getresources(struct drm_device *dev, void *data, - struct drm_file *file_priv) +void drm_crtc_cleanup(struct drm_crtc *crtc) { - struct drm_mode_card_res *card_res = data; - struct list_head *lh; - struct drm_framebuffer *fb; - struct drm_connector *connector; - struct drm_crtc *crtc; - struct drm_encoder *encoder; - int ret = 0; - int connector_count = 0; - int crtc_count = 0; - int fb_count = 0; - int encoder_count = 0; - int copied = 0, i; - uint32_t __user *fb_id; - uint32_t __user *crtc_id; - uint32_t __user *connector_id; - uint32_t __user *encoder_id; - struct drm_mode_group *mode_group; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - + struct drm_device *dev = crtc->dev; - mutex_lock(&file_priv->fbs_lock); - /* - * For the non-control nodes we need to limit the list of resources - * by IDs in the group list for this node + /* Note that the crtc_list is considered to be static; should we + * remove the drm_crtc at runtime we would have to decrement all + * the indices on the drm_crtc after us in the crtc_list. */ - list_for_each(lh, &file_priv->fbs) - fb_count++; - - /* handle this in 4 parts */ - /* FBs */ - if (card_res->count_fbs >= fb_count) { - copied = 0; - fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; - list_for_each_entry(fb, &file_priv->fbs, filp_head) { - if (put_user(fb->base.id, fb_id + copied)) { - mutex_unlock(&file_priv->fbs_lock); - return -EFAULT; - } - copied++; - } - } - card_res->count_fbs = fb_count; - mutex_unlock(&file_priv->fbs_lock); - - drm_modeset_lock_all(dev); - mode_group = &file_priv->master->minor->mode_group; - if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { - - list_for_each(lh, &dev->mode_config.crtc_list) - crtc_count++; - list_for_each(lh, &dev->mode_config.connector_list) - connector_count++; + drm_crtc_crc_fini(crtc); - list_for_each(lh, &dev->mode_config.encoder_list) - encoder_count++; - } else { + kfree(crtc->gamma_store); + crtc->gamma_store = NULL; - crtc_count = mode_group->num_crtcs; - connector_count = mode_group->num_connectors; - encoder_count = mode_group->num_encoders; - } + drm_modeset_lock_fini(&crtc->mutex); - card_res->max_height = dev->mode_config.max_height; - card_res->min_height = dev->mode_config.min_height; - card_res->max_width = dev->mode_config.max_width; - card_res->min_width = dev->mode_config.min_width; - - /* CRTCs */ - if (card_res->count_crtcs >= crtc_count) { - copied = 0; - crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; - if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { - list_for_each_entry(crtc, &dev->mode_config.crtc_list, - head) { - DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); - if (put_user(crtc->base.id, crtc_id + copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } - } else { - for (i = 0; i < mode_group->num_crtcs; i++) { - if (put_user(mode_group->id_list[i], - crtc_id + copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } - } - } - card_res->count_crtcs = crtc_count; - - /* Encoders */ - if (card_res->count_encoders >= encoder_count) { - copied = 0; - encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; - if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { - list_for_each_entry(encoder, - &dev->mode_config.encoder_list, - head) { - DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, - drm_get_encoder_name(encoder)); - if (put_user(encoder->base.id, encoder_id + - copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } - } else { - for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { - if (put_user(mode_group->id_list[i], - encoder_id + copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } + drm_mode_object_unregister(dev, &crtc->base); + list_del(&crtc->head); + dev->mode_config.num_crtc--; - } - } - card_res->count_encoders = encoder_count; - - /* Connectors */ - if (card_res->count_connectors >= connector_count) { - copied = 0; - connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; - if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { - list_for_each_entry(connector, - &dev->mode_config.connector_list, - head) { - DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", - connector->base.id, - drm_get_connector_name(connector)); - if (put_user(connector->base.id, - connector_id + copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } - } else { - int start = mode_group->num_crtcs + - mode_group->num_encoders; - for (i = start; i < start + mode_group->num_connectors; i++) { - if (put_user(mode_group->id_list[i], - connector_id + copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } - } - } - card_res->count_connectors = connector_count; + WARN_ON(crtc->state && !crtc->funcs->atomic_destroy_state); + if (crtc->state && crtc->funcs->atomic_destroy_state) + crtc->funcs->atomic_destroy_state(crtc, crtc->state); - DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, - card_res->count_connectors, card_res->count_encoders); + kfree(crtc->name); -out: - drm_modeset_unlock_all(dev); - return ret; + memset(crtc, 0, sizeof(*crtc)); } +EXPORT_SYMBOL(drm_crtc_cleanup); /** * drm_mode_getcrtc - get CRTC configuration @@ -1496,512 +539,161 @@ out: * * Called by the user via ioctl. * - * RETURNS: - * Zero on success, errno on failure. + * Returns: + * Zero on success, negative errno on failure. */ int drm_mode_getcrtc(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_mode_crtc *crtc_resp = data; struct drm_crtc *crtc; - struct drm_mode_object *obj; - int ret = 0; + struct drm_plane *plane; if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; + return -EOPNOTSUPP; - drm_modeset_lock_all(dev); + crtc = drm_crtc_find(dev, file_priv, crtc_resp->crtc_id); + if (!crtc) + return -ENOENT; - obj = drm_mode_object_find(dev, crtc_resp->crtc_id, - DRM_MODE_OBJECT_CRTC); - if (!obj) { - ret = -EINVAL; - goto out; - } - crtc = obj_to_crtc(obj); + plane = crtc->primary; - crtc_resp->x = crtc->x; - crtc_resp->y = crtc->y; crtc_resp->gamma_size = crtc->gamma_size; - if (crtc->fb) - crtc_resp->fb_id = crtc->fb->base.id; + + drm_modeset_lock(&plane->mutex, NULL); + if (plane->state && plane->state->fb) + crtc_resp->fb_id = plane->state->fb->base.id; + else if (!plane->state && plane->fb) + crtc_resp->fb_id = plane->fb->base.id; else crtc_resp->fb_id = 0; - if (crtc->enabled) { - - drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); - crtc_resp->mode_valid = 1; - - } else { - crtc_resp->mode_valid = 0; + if (plane->state) { + crtc_resp->x = plane->state->src_x >> 16; + crtc_resp->y = plane->state->src_y >> 16; } + drm_modeset_unlock(&plane->mutex); -out: - drm_modeset_unlock_all(dev); - return ret; -} - -/** - * 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, 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_mode_object *obj; - struct drm_connector *connector; - struct drm_display_mode *mode; - int mode_count = 0; - int props_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 *prop_ptr; - uint64_t __user *prop_values; - uint32_t __user *encoder_ptr; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); - - DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); - - mutex_lock(&dev->mode_config.mutex); - - obj = drm_mode_object_find(dev, out_resp->connector_id, - DRM_MODE_OBJECT_CONNECTOR); - if (!obj) { - ret = -EINVAL; - goto out; - } - connector = obj_to_connector(obj); - - props_count = connector->properties.count; - - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - if (connector->encoder_ids[i] != 0) { - encoders_count++; + drm_modeset_lock(&crtc->mutex, NULL); + if (crtc->state) { + if (crtc->state->enable) { + drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->state->mode); + crtc_resp->mode_valid = 1; + } else { + crtc_resp->mode_valid = 0; } - } - - 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) - 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; - if (connector->encoder) - out_resp->encoder_id = connector->encoder->base.id; - else - out_resp->encoder_id = 0; + } else { + crtc_resp->x = crtc->x; + crtc_resp->y = crtc->y; - /* - * 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) { - drm_crtc_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; - - if ((out_resp->count_props >= props_count) && props_count) { - copied = 0; - prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); - prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); - for (i = 0; i < connector->properties.count; i++) { - if (put_user(connector->properties.ids[i], - prop_ptr + copied)) { - ret = -EFAULT; - goto out; - } + if (crtc->enabled) { + drm_mode_convert_to_umode(&crtc_resp->mode, &crtc->mode); + crtc_resp->mode_valid = 1; - if (put_user(connector->properties.values[i], - prop_values + copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } - } - out_resp->count_props = props_count; - - 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++; - } + } else { + crtc_resp->mode_valid = 0; } } - out_resp->count_encoders = encoders_count; - -out: - mutex_unlock(&dev->mode_config.mutex); + if (!file_priv->aspect_ratio_allowed) + crtc_resp->mode.flags &= ~DRM_MODE_FLAG_PIC_AR_MASK; + drm_modeset_unlock(&crtc->mutex); - return ret; -} - -int drm_mode_getencoder(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_mode_get_encoder *enc_resp = data; - struct drm_mode_object *obj; - struct drm_encoder *encoder; - int ret = 0; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - drm_modeset_lock_all(dev); - obj = drm_mode_object_find(dev, enc_resp->encoder_id, - DRM_MODE_OBJECT_ENCODER); - if (!obj) { - ret = -EINVAL; - goto out; - } - encoder = obj_to_encoder(obj); - - if (encoder->crtc) - enc_resp->crtc_id = encoder->crtc->base.id; - else - enc_resp->crtc_id = 0; - enc_resp->encoder_type = encoder->encoder_type; - enc_resp->encoder_id = encoder->base.id; - enc_resp->possible_crtcs = encoder->possible_crtcs; - enc_resp->possible_clones = encoder->possible_clones; - -out: - drm_modeset_unlock_all(dev); - return ret; + return 0; } -/** - * drm_mode_getplane_res - get plane info - * @dev: DRM device - * @data: ioctl data - * @file_priv: DRM file info - * - * Return an plane count and set of IDs. - */ -int drm_mode_getplane_res(struct drm_device *dev, void *data, - struct drm_file *file_priv) +static int __drm_mode_set_config_internal(struct drm_mode_set *set, + struct drm_modeset_acquire_ctx *ctx) { - struct drm_mode_get_plane_res *plane_resp = data; - struct drm_mode_config *config; - struct drm_plane *plane; - uint32_t __user *plane_ptr; - int copied = 0, ret = 0; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; + struct drm_crtc *crtc = set->crtc; + struct drm_framebuffer *fb; + struct drm_crtc *tmp; + int ret; - drm_modeset_lock_all(dev); - config = &dev->mode_config; + WARN_ON(drm_drv_uses_atomic_modeset(crtc->dev)); /* - * This ioctl is called twice, once to determine how much space is - * needed, and the 2nd time to fill it. + * NOTE: ->set_config can also disable other crtcs (if we steal all + * connectors from it), hence we need to refcount the fbs across all + * crtcs. Atomic modeset will have saner semantics ... */ - if (config->num_plane && - (plane_resp->count_planes >= config->num_plane)) { - plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; + drm_for_each_crtc(tmp, crtc->dev) { + struct drm_plane *plane = tmp->primary; - list_for_each_entry(plane, &config->plane_list, head) { - if (put_user(plane->base.id, plane_ptr + copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } + plane->old_fb = plane->fb; } - plane_resp->count_planes = config->num_plane; -out: - drm_modeset_unlock_all(dev); - return ret; -} - -/** - * drm_mode_getplane - get plane info - * @dev: DRM device - * @data: ioctl data - * @file_priv: DRM file info - * - * Return plane info, including formats supported, gamma size, any - * current fb, etc. - */ -int drm_mode_getplane(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_mode_get_plane *plane_resp = data; - struct drm_mode_object *obj; - struct drm_plane *plane; - uint32_t __user *format_ptr; - int ret = 0; + fb = set->fb; - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; + ret = crtc->funcs->set_config(set, ctx); + if (ret == 0) { + struct drm_plane *plane = crtc->primary; - drm_modeset_lock_all(dev); - obj = drm_mode_object_find(dev, plane_resp->plane_id, - DRM_MODE_OBJECT_PLANE); - if (!obj) { - ret = -ENOENT; - goto out; + plane->crtc = fb ? crtc : NULL; + plane->fb = fb; } - plane = obj_to_plane(obj); - - if (plane->crtc) - plane_resp->crtc_id = plane->crtc->base.id; - else - plane_resp->crtc_id = 0; - - if (plane->fb) - plane_resp->fb_id = plane->fb->base.id; - else - plane_resp->fb_id = 0; - plane_resp->plane_id = plane->base.id; - plane_resp->possible_crtcs = plane->possible_crtcs; - plane_resp->gamma_size = 0; + drm_for_each_crtc(tmp, crtc->dev) { + struct drm_plane *plane = tmp->primary; - /* - * This ioctl is called twice, once to determine how much space is - * needed, and the 2nd time to fill it. - */ - if (plane->format_count && - (plane_resp->count_format_types >= plane->format_count)) { - format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; - if (copy_to_user(format_ptr, - plane->format_types, - sizeof(uint32_t) * plane->format_count)) { - ret = -EFAULT; - goto out; - } + if (plane->fb) + drm_framebuffer_get(plane->fb); + if (plane->old_fb) + drm_framebuffer_put(plane->old_fb); + plane->old_fb = NULL; } - plane_resp->count_format_types = plane->format_count; -out: - drm_modeset_unlock_all(dev); return ret; } /** - * drm_mode_setplane - set up or tear down an plane - * @dev: DRM device - * @data: ioctl data* - * @file_priv: DRM file info + * drm_mode_set_config_internal - helper to call &drm_mode_config_funcs.set_config + * @set: modeset config to set + * + * This is a little helper to wrap internal calls to the + * &drm_mode_config_funcs.set_config driver interface. The only thing it adds is + * correct refcounting dance. * - * Set plane info, including placement, fb, scaling, and other factors. - * Or pass a NULL fb to disable. + * This should only be used by non-atomic legacy drivers. + * + * Returns: + * Zero on success, negative errno on failure. */ -int drm_mode_setplane(struct drm_device *dev, void *data, - struct drm_file *file_priv) +int drm_mode_set_config_internal(struct drm_mode_set *set) { - struct drm_mode_set_plane *plane_req = data; - struct drm_mode_object *obj; - struct drm_plane *plane; - struct drm_crtc *crtc; - struct drm_framebuffer *fb = NULL, *old_fb = NULL; - int ret = 0; - unsigned int fb_width, fb_height; - int i; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - /* - * First, find the plane, crtc, and fb objects. If not available, - * we don't bother to call the driver. - */ - obj = drm_mode_object_find(dev, plane_req->plane_id, - DRM_MODE_OBJECT_PLANE); - if (!obj) { - DRM_DEBUG_KMS("Unknown plane ID %d\n", - plane_req->plane_id); - return -ENOENT; - } - plane = obj_to_plane(obj); - - /* No fb means shut it down */ - if (!plane_req->fb_id) { - drm_modeset_lock_all(dev); - old_fb = plane->fb; - plane->funcs->disable_plane(plane); - plane->crtc = NULL; - plane->fb = NULL; - drm_modeset_unlock_all(dev); - goto out; - } - - obj = drm_mode_object_find(dev, plane_req->crtc_id, - DRM_MODE_OBJECT_CRTC); - if (!obj) { - DRM_DEBUG_KMS("Unknown crtc ID %d\n", - plane_req->crtc_id); - ret = -ENOENT; - goto out; - } - crtc = obj_to_crtc(obj); - - fb = drm_framebuffer_lookup(dev, plane_req->fb_id); - if (!fb) { - DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", - plane_req->fb_id); - ret = -ENOENT; - goto out; - } - - /* Check whether this plane supports the fb pixel format. */ - for (i = 0; i < plane->format_count; i++) - if (fb->pixel_format == plane->format_types[i]) - break; - if (i == plane->format_count) { - DRM_DEBUG_KMS("Invalid pixel format %s\n", - drm_get_format_name(fb->pixel_format)); - ret = -EINVAL; - goto out; - } - - fb_width = fb->width << 16; - fb_height = fb->height << 16; - - /* Make sure source coordinates are inside the fb. */ - if (plane_req->src_w > fb_width || - plane_req->src_x > fb_width - plane_req->src_w || - plane_req->src_h > fb_height || - plane_req->src_y > fb_height - plane_req->src_h) { - DRM_DEBUG_KMS("Invalid source coordinates " - "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", - plane_req->src_w >> 16, - ((plane_req->src_w & 0xffff) * 15625) >> 10, - plane_req->src_h >> 16, - ((plane_req->src_h & 0xffff) * 15625) >> 10, - plane_req->src_x >> 16, - ((plane_req->src_x & 0xffff) * 15625) >> 10, - plane_req->src_y >> 16, - ((plane_req->src_y & 0xffff) * 15625) >> 10); - ret = -ENOSPC; - goto out; - } - - /* Give drivers some help against integer overflows */ - if (plane_req->crtc_w > INT_MAX || - plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || - plane_req->crtc_h > INT_MAX || - plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { - DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", - plane_req->crtc_w, plane_req->crtc_h, - plane_req->crtc_x, plane_req->crtc_y); - ret = -ERANGE; - goto out; - } - - drm_modeset_lock_all(dev); - ret = plane->funcs->update_plane(plane, crtc, fb, - plane_req->crtc_x, plane_req->crtc_y, - plane_req->crtc_w, plane_req->crtc_h, - plane_req->src_x, plane_req->src_y, - plane_req->src_w, plane_req->src_h); - if (!ret) { - old_fb = plane->fb; - plane->crtc = crtc; - plane->fb = fb; - fb = NULL; - } - drm_modeset_unlock_all(dev); - -out: - if (fb) - drm_framebuffer_unreference(fb); - if (old_fb) - drm_framebuffer_unreference(old_fb); + WARN_ON(drm_drv_uses_atomic_modeset(set->crtc->dev)); - return ret; + return __drm_mode_set_config_internal(set, NULL); } +EXPORT_SYMBOL(drm_mode_set_config_internal); /** - * drm_mode_set_config_internal - helper to call ->set_config - * @set: modeset config to set - * - * This is a little helper to wrap internal calls to the ->set_config driver - * interface. The only thing it adds is correct refcounting dance. + * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the + * CRTC viewport + * @crtc: CRTC that framebuffer will be displayed on + * @x: x panning + * @y: y panning + * @mode: mode that framebuffer will be displayed under + * @fb: framebuffer to check size of */ -int drm_mode_set_config_internal(struct drm_mode_set *set) -{ - struct drm_crtc *crtc = set->crtc; - struct drm_framebuffer *fb; - struct drm_crtc *tmp; - int ret; - - /* - * NOTE: ->set_config can also disable other crtcs (if we steal all - * connectors from it), hence we need to refcount the fbs across all - * crtcs. Atomic modeset will have saner semantics ... - */ - list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) - tmp->old_fb = tmp->fb; +int drm_crtc_check_viewport(const struct drm_crtc *crtc, + int x, int y, + const struct drm_display_mode *mode, + const struct drm_framebuffer *fb) - fb = set->fb; +{ + int hdisplay, vdisplay; - ret = crtc->funcs->set_config(set); - if (ret == 0) { - /* crtc->fb must be updated by ->set_config, enforces this. */ - WARN_ON(fb != crtc->fb); - } + drm_mode_get_hv_timing(mode, &hdisplay, &vdisplay); - list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { - if (tmp->fb) - drm_framebuffer_reference(tmp->fb); - if (tmp->old_fb) - drm_framebuffer_unreference(tmp->old_fb); - } + if (crtc->state && + drm_rotation_90_or_270(crtc->primary->state->rotation)) + swap(hdisplay, vdisplay); - return ret; + return drm_framebuffer_check_src_coords(x << 16, y << 16, + hdisplay << 16, vdisplay << 16, + fb); } -EXPORT_SYMBOL(drm_mode_set_config_internal); +EXPORT_SYMBOL(drm_crtc_check_viewport); /** * drm_mode_setcrtc - set CRTC configuration @@ -2013,61 +705,76 @@ EXPORT_SYMBOL(drm_mode_set_config_internal); * * Called by the user via ioctl. * - * RETURNS: - * Zero on success, errno on failure. + * Returns: + * Zero on success, negative errno on failure. */ int drm_mode_setcrtc(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_mode_config *config = &dev->mode_config; struct drm_mode_crtc *crtc_req = data; - struct drm_mode_object *obj; struct drm_crtc *crtc; + struct drm_plane *plane; struct drm_connector **connector_set = NULL, *connector; struct drm_framebuffer *fb = NULL; struct drm_display_mode *mode = NULL; struct drm_mode_set set; uint32_t __user *set_connectors_ptr; - int ret; - int i; + struct drm_modeset_acquire_ctx ctx; + int ret, i, num_connectors = 0; if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; + return -EOPNOTSUPP; - /* For some reason crtc x/y offsets are signed internally. */ - if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) + /* + * Universal plane src offsets are only 16.16, prevent havoc for + * drivers using universal plane code internally. + */ + if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) return -ERANGE; - drm_modeset_lock_all(dev); - obj = drm_mode_object_find(dev, crtc_req->crtc_id, - DRM_MODE_OBJECT_CRTC); - if (!obj) { - DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); - ret = -EINVAL; - goto out; + crtc = drm_crtc_find(dev, file_priv, crtc_req->crtc_id); + if (!crtc) { + drm_dbg_kms(dev, "Unknown CRTC ID %d\n", crtc_req->crtc_id); + return -ENOENT; } - crtc = obj_to_crtc(obj); - DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); + drm_dbg_kms(dev, "[CRTC:%d:%s]\n", crtc->base.id, crtc->name); + + plane = crtc->primary; + + /* allow disabling with the primary plane leased */ + if (crtc_req->mode_valid && !drm_lease_held(file_priv, plane->base.id)) + return -EACCES; + + DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, + DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret); if (crtc_req->mode_valid) { - int hdisplay, vdisplay; /* If we have a mode we need a framebuffer. */ /* If we pass -1, set the mode with the currently bound fb */ if (crtc_req->fb_id == -1) { - if (!crtc->fb) { - DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); + struct drm_framebuffer *old_fb; + + if (plane->state) + old_fb = plane->state->fb; + else + old_fb = plane->fb; + + if (!old_fb) { + drm_dbg_kms(dev, "CRTC doesn't have current FB\n"); ret = -EINVAL; goto out; } - fb = crtc->fb; + + fb = old_fb; /* Make refcounting symmetric with the lookup path. */ - drm_framebuffer_reference(fb); + drm_framebuffer_get(fb); } else { - fb = drm_framebuffer_lookup(dev, crtc_req->fb_id); + fb = drm_framebuffer_lookup(dev, file_priv, crtc_req->fb_id); if (!fb) { - DRM_DEBUG_KMS("Unknown FB ID%d\n", - crtc_req->fb_id); - ret = -EINVAL; + drm_dbg_kms(dev, "Unknown FB ID%d\n", + crtc_req->fb_id); + ret = -ENOENT; goto out; } } @@ -2077,43 +784,54 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, ret = -ENOMEM; goto out; } - - ret = drm_crtc_convert_umode(mode, &crtc_req->mode); - if (ret) { - DRM_DEBUG_KMS("Invalid mode\n"); + if (!file_priv->aspect_ratio_allowed && + (crtc_req->mode.flags & DRM_MODE_FLAG_PIC_AR_MASK) != DRM_MODE_FLAG_PIC_AR_NONE) { + drm_dbg_kms(dev, "Unexpected aspect-ratio flag bits\n"); + ret = -EINVAL; goto out; } - drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); - hdisplay = mode->hdisplay; - vdisplay = mode->vdisplay; + ret = drm_mode_convert_umode(dev, mode, &crtc_req->mode); + if (ret) { + drm_dbg_kms(dev, "Invalid mode (%s, %pe): " DRM_MODE_FMT "\n", + drm_get_mode_status_name(mode->status), + ERR_PTR(ret), DRM_MODE_ARG(mode)); + goto out; + } - if (crtc->invert_dimensions) - swap(hdisplay, vdisplay); + /* + * Check whether the primary plane supports the fb pixel format. + * Drivers not implementing the universal planes API use a + * default formats list provided by the DRM core which doesn't + * match real hardware capabilities. Skip the check in that + * case. + */ + if (!plane->format_default) { + if (!drm_plane_has_format(plane, fb->format->format, fb->modifier)) { + drm_dbg_kms(dev, "Invalid pixel format %p4cc, modifier 0x%llx\n", + &fb->format->format, fb->modifier); + ret = -EINVAL; + goto out; + } + } - if (hdisplay > fb->width || - vdisplay > fb->height || - crtc_req->x > fb->width - hdisplay || - crtc_req->y > fb->height - vdisplay) { - DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", - fb->width, fb->height, - hdisplay, vdisplay, crtc_req->x, crtc_req->y, - crtc->invert_dimensions ? " (inverted)" : ""); - ret = -ENOSPC; + ret = drm_crtc_check_viewport(crtc, crtc_req->x, crtc_req->y, + mode, fb); + if (ret) goto out; - } + } if (crtc_req->count_connectors == 0 && mode) { - DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); + drm_dbg_kms(dev, "Count connectors is 0 but mode set\n"); ret = -EINVAL; goto out; } if (crtc_req->count_connectors > 0 && (!mode || !fb)) { - DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", - crtc_req->count_connectors); + drm_dbg_kms(dev, "Count connectors is %d but no mode or fb set\n", + crtc_req->count_connectors); ret = -EINVAL; goto out; } @@ -2127,35 +845,34 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, goto out; } - connector_set = kmalloc(crtc_req->count_connectors * - sizeof(struct drm_connector *), - GFP_KERNEL); + connector_set = kmalloc_array(crtc_req->count_connectors, + sizeof(struct drm_connector *), + GFP_KERNEL); if (!connector_set) { ret = -ENOMEM; goto out; } for (i = 0; i < crtc_req->count_connectors; i++) { + connector_set[i] = NULL; set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; if (get_user(out_id, &set_connectors_ptr[i])) { ret = -EFAULT; goto out; } - obj = drm_mode_object_find(dev, out_id, - DRM_MODE_OBJECT_CONNECTOR); - if (!obj) { - DRM_DEBUG_KMS("Connector id %d unknown\n", - out_id); - ret = -EINVAL; + connector = drm_connector_lookup(dev, file_priv, out_id); + if (!connector) { + drm_dbg_kms(dev, "Connector id %d unknown\n", + out_id); + ret = -ENOENT; goto out; } - connector = obj_to_connector(obj); - DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", - connector->base.id, - drm_get_connector_name(connector)); + drm_dbg_kms(dev, "[CONNECTOR:%d:%s]\n", + connector->base.id, connector->name); connector_set[i] = connector; + num_connectors++; } } @@ -2164,1830 +881,116 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, set.y = crtc_req->y; set.mode = mode; set.connectors = connector_set; - set.num_connectors = crtc_req->count_connectors; + set.num_connectors = num_connectors; set.fb = fb; - ret = drm_mode_set_config_internal(&set); + + if (drm_drv_uses_atomic_modeset(dev)) + ret = crtc->funcs->set_config(&set, &ctx); + else + ret = __drm_mode_set_config_internal(&set, &ctx); out: if (fb) - drm_framebuffer_unreference(fb); - - kfree(connector_set); - drm_mode_destroy(dev, mode); - drm_modeset_unlock_all(dev); - return ret; -} - -static int drm_mode_cursor_common(struct drm_device *dev, - struct drm_mode_cursor2 *req, - struct drm_file *file_priv) -{ - struct drm_mode_object *obj; - struct drm_crtc *crtc; - int ret = 0; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags)) - return -EINVAL; - - obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); - if (!obj) { - DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); - return -EINVAL; - } - crtc = obj_to_crtc(obj); - - mutex_lock(&crtc->mutex); - if (req->flags & DRM_MODE_CURSOR_BO) { - if (!crtc->funcs->cursor_set && !crtc->funcs->cursor_set2) { - ret = -ENXIO; - goto out; - } - /* Turns off the cursor if handle is 0 */ - if (crtc->funcs->cursor_set2) - ret = crtc->funcs->cursor_set2(crtc, file_priv, req->handle, - req->width, req->height, req->hot_x, req->hot_y); - else - ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, - req->width, req->height); - } + drm_framebuffer_put(fb); - if (req->flags & DRM_MODE_CURSOR_MOVE) { - if (crtc->funcs->cursor_move) { - ret = crtc->funcs->cursor_move(crtc, req->x, req->y); - } else { - ret = -EFAULT; - goto out; + if (connector_set) { + for (i = 0; i < num_connectors; i++) { + if (connector_set[i]) + drm_connector_put(connector_set[i]); } } -out: - mutex_unlock(&crtc->mutex); - - return ret; - -} -int drm_mode_cursor_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_cursor *req = data; - struct drm_mode_cursor2 new_req; - - memcpy(&new_req, req, sizeof(struct drm_mode_cursor)); - new_req.hot_x = new_req.hot_y = 0; - - return drm_mode_cursor_common(dev, &new_req, file_priv); -} - -int drm_mode_cursor2_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_cursor2 *req = data; - return drm_mode_cursor_common(dev, req, file_priv); -} - -/* Original addfb only supported RGB formats, so figure out which one */ -uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) -{ - uint32_t fmt; - - switch (bpp) { - case 8: - fmt = DRM_FORMAT_C8; - break; - case 16: - if (depth == 15) - fmt = DRM_FORMAT_XRGB1555; - else - fmt = DRM_FORMAT_RGB565; - break; - case 24: - fmt = DRM_FORMAT_RGB888; - break; - case 32: - if (depth == 24) - fmt = DRM_FORMAT_XRGB8888; - else if (depth == 30) - fmt = DRM_FORMAT_XRGB2101010; - else - fmt = DRM_FORMAT_ARGB8888; - break; - default: - DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); - fmt = DRM_FORMAT_XRGB8888; - break; - } - - return fmt; -} -EXPORT_SYMBOL(drm_mode_legacy_fb_format); - -/** - * drm_mode_addfb - add an FB to the graphics configuration - * @dev: drm device for the ioctl - * @data: data pointer for the ioctl - * @file_priv: drm file for the ioctl call - * - * Add a new FB to the specified CRTC, given a user request. - * - * Called by the user via ioctl. - * - * RETURNS: - * Zero on success, errno on failure. - */ -int drm_mode_addfb(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_fb_cmd *or = data; - struct drm_mode_fb_cmd2 r = {}; - struct drm_mode_config *config = &dev->mode_config; - struct drm_framebuffer *fb; - int ret = 0; - - /* Use new struct with format internally */ - r.fb_id = or->fb_id; - r.width = or->width; - r.height = or->height; - r.pitches[0] = or->pitch; - r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); - r.handles[0] = or->handle; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - if ((config->min_width > r.width) || (r.width > config->max_width)) - return -EINVAL; - - if ((config->min_height > r.height) || (r.height > config->max_height)) - return -EINVAL; + kfree(connector_set); + drm_mode_destroy(dev, mode); - fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); - if (IS_ERR(fb)) { - DRM_DEBUG_KMS("could not create framebuffer\n"); - return PTR_ERR(fb); - } + /* In case we need to retry... */ + connector_set = NULL; + fb = NULL; + mode = NULL; + num_connectors = 0; - mutex_lock(&file_priv->fbs_lock); - or->fb_id = fb->base.id; - list_add(&fb->filp_head, &file_priv->fbs); - DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); - mutex_unlock(&file_priv->fbs_lock); + DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); return ret; } -static int format_check(const struct drm_mode_fb_cmd2 *r) -{ - uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; - - switch (format) { - case DRM_FORMAT_C8: - case DRM_FORMAT_RGB332: - case DRM_FORMAT_BGR233: - case DRM_FORMAT_XRGB4444: - case DRM_FORMAT_XBGR4444: - case DRM_FORMAT_RGBX4444: - case DRM_FORMAT_BGRX4444: - case DRM_FORMAT_ARGB4444: - case DRM_FORMAT_ABGR4444: - case DRM_FORMAT_RGBA4444: - case DRM_FORMAT_BGRA4444: - case DRM_FORMAT_XRGB1555: - case DRM_FORMAT_XBGR1555: - case DRM_FORMAT_RGBX5551: - case DRM_FORMAT_BGRX5551: - case DRM_FORMAT_ARGB1555: - case DRM_FORMAT_ABGR1555: - case DRM_FORMAT_RGBA5551: - case DRM_FORMAT_BGRA5551: - case DRM_FORMAT_RGB565: - case DRM_FORMAT_BGR565: - case DRM_FORMAT_RGB888: - case DRM_FORMAT_BGR888: - case DRM_FORMAT_XRGB8888: - case DRM_FORMAT_XBGR8888: - case DRM_FORMAT_RGBX8888: - case DRM_FORMAT_BGRX8888: - case DRM_FORMAT_ARGB8888: - case DRM_FORMAT_ABGR8888: - case DRM_FORMAT_RGBA8888: - case DRM_FORMAT_BGRA8888: - case DRM_FORMAT_XRGB2101010: - case DRM_FORMAT_XBGR2101010: - case DRM_FORMAT_RGBX1010102: - case DRM_FORMAT_BGRX1010102: - case DRM_FORMAT_ARGB2101010: - case DRM_FORMAT_ABGR2101010: - case DRM_FORMAT_RGBA1010102: - case DRM_FORMAT_BGRA1010102: - case DRM_FORMAT_YUYV: - case DRM_FORMAT_YVYU: - case DRM_FORMAT_UYVY: - case DRM_FORMAT_VYUY: - case DRM_FORMAT_AYUV: - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV21: - case DRM_FORMAT_NV16: - case DRM_FORMAT_NV61: - case DRM_FORMAT_NV24: - case DRM_FORMAT_NV42: - case DRM_FORMAT_YUV410: - case DRM_FORMAT_YVU410: - case DRM_FORMAT_YUV411: - case DRM_FORMAT_YVU411: - case DRM_FORMAT_YUV420: - case DRM_FORMAT_YVU420: - case DRM_FORMAT_YUV422: - case DRM_FORMAT_YVU422: - case DRM_FORMAT_YUV444: - case DRM_FORMAT_YVU444: - return 0; - default: - return -EINVAL; - } -} - -static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) +int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, + struct drm_property *property, + uint64_t value) { - int ret, hsub, vsub, num_planes, i; - - ret = format_check(r); - if (ret) { - DRM_DEBUG_KMS("bad framebuffer format %s\n", - drm_get_format_name(r->pixel_format)); - return ret; - } - - hsub = drm_format_horz_chroma_subsampling(r->pixel_format); - vsub = drm_format_vert_chroma_subsampling(r->pixel_format); - num_planes = drm_format_num_planes(r->pixel_format); - - if (r->width == 0 || r->width % hsub) { - DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); - return -EINVAL; - } - - if (r->height == 0 || r->height % vsub) { - DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); - return -EINVAL; - } - - for (i = 0; i < num_planes; i++) { - unsigned int width = r->width / (i != 0 ? hsub : 1); - unsigned int height = r->height / (i != 0 ? vsub : 1); - unsigned int cpp = drm_format_plane_cpp(r->pixel_format, i); - - if (!r->handles[i]) { - DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); - return -EINVAL; - } - - if ((uint64_t) width * cpp > UINT_MAX) - return -ERANGE; - - if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) - return -ERANGE; - - if (r->pitches[i] < width * cpp) { - DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); - return -EINVAL; - } - } - - return 0; -} - -/** - * drm_mode_addfb2 - add an FB to the graphics configuration - * @dev: drm device for the ioctl - * @data: data pointer for the ioctl - * @file_priv: drm file for the ioctl call - * - * Add a new FB to the specified CRTC, given a user request with format. - * - * Called by the user via ioctl. - * - * RETURNS: - * Zero on success, errno on failure. - */ -int drm_mode_addfb2(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_fb_cmd2 *r = data; - struct drm_mode_config *config = &dev->mode_config; - struct drm_framebuffer *fb; - int ret; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - if (r->flags & ~DRM_MODE_FB_INTERLACED) { - DRM_DEBUG_KMS("bad framebuffer flags 0x%08x\n", r->flags); - return -EINVAL; - } - - if ((config->min_width > r->width) || (r->width > config->max_width)) { - DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", - r->width, config->min_width, config->max_width); - return -EINVAL; - } - if ((config->min_height > r->height) || (r->height > config->max_height)) { - DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", - r->height, config->min_height, config->max_height); - return -EINVAL; - } - - ret = framebuffer_check(r); - if (ret) - return ret; - - fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); - if (IS_ERR(fb)) { - DRM_DEBUG_KMS("could not create framebuffer\n"); - return PTR_ERR(fb); - } - - mutex_lock(&file_priv->fbs_lock); - r->fb_id = fb->base.id; - list_add(&fb->filp_head, &file_priv->fbs); - DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); - mutex_unlock(&file_priv->fbs_lock); + int ret = -EINVAL; + struct drm_crtc *crtc = obj_to_crtc(obj); + if (crtc->funcs->set_property) + ret = crtc->funcs->set_property(crtc, property, value); + if (!ret) + drm_object_property_set_value(obj, property, value); return ret; } /** - * drm_mode_rmfb - remove an FB from the configuration - * @dev: drm device for the ioctl - * @data: data pointer for the ioctl - * @file_priv: drm file for the ioctl call + * drm_crtc_create_scaling_filter_property - create a new scaling filter + * property * - * Remove the FB specified by the user. + * @crtc: drm CRTC + * @supported_filters: bitmask of supported scaling filters, must include + * BIT(DRM_SCALING_FILTER_DEFAULT). * - * Called by the user via ioctl. + * This function lets driver to enable the scaling filter property on a given + * CRTC. * * RETURNS: - * Zero on success, errno on failure. + * Zero for success or -errno */ -int drm_mode_rmfb(struct drm_device *dev, - void *data, struct drm_file *file_priv) +int drm_crtc_create_scaling_filter_property(struct drm_crtc *crtc, + unsigned int supported_filters) { - struct drm_framebuffer *fb = NULL; - struct drm_framebuffer *fbl = NULL; - uint32_t *id = data; - int found = 0; + struct drm_property *prop = + drm_create_scaling_filter_prop(crtc->dev, supported_filters); - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - mutex_lock(&file_priv->fbs_lock); - mutex_lock(&dev->mode_config.fb_lock); - fb = __drm_framebuffer_lookup(dev, *id); - if (!fb) - goto fail_lookup; - - list_for_each_entry(fbl, &file_priv->fbs, filp_head) - if (fb == fbl) - found = 1; - if (!found) - goto fail_lookup; + if (IS_ERR(prop)) + return PTR_ERR(prop); - /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ - __drm_framebuffer_unregister(dev, fb); - - list_del_init(&fb->filp_head); - mutex_unlock(&dev->mode_config.fb_lock); - mutex_unlock(&file_priv->fbs_lock); - - drm_framebuffer_remove(fb); + drm_object_attach_property(&crtc->base, prop, + DRM_SCALING_FILTER_DEFAULT); + crtc->scaling_filter_property = prop; return 0; - -fail_lookup: - mutex_unlock(&dev->mode_config.fb_lock); - mutex_unlock(&file_priv->fbs_lock); - - return -EINVAL; } +EXPORT_SYMBOL(drm_crtc_create_scaling_filter_property); -/** - * drm_mode_getfb - get FB info - * @dev: drm device for the ioctl - * @data: data pointer for the ioctl - * @file_priv: drm file for the ioctl call - * - * Lookup the FB given its ID and return info about it. - * - * Called by the user via ioctl. - * - * RETURNS: - * Zero on success, errno on failure. - */ -int drm_mode_getfb(struct drm_device *dev, - void *data, struct drm_file *file_priv) +int drm_crtc_create_sharpness_strength_property(struct drm_crtc *crtc) { - struct drm_mode_fb_cmd *r = data; - struct drm_framebuffer *fb; - int ret; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - fb = drm_framebuffer_lookup(dev, r->fb_id); - if (!fb) - return -EINVAL; - - r->height = fb->height; - r->width = fb->width; - r->depth = fb->depth; - r->bpp = fb->bits_per_pixel; - r->pitch = fb->pitches[0]; - if (fb->funcs->create_handle) - ret = fb->funcs->create_handle(fb, file_priv, &r->handle); - else - ret = -ENODEV; - - drm_framebuffer_unreference(fb); - - return ret; -} - -int drm_mode_dirtyfb_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_clip_rect __user *clips_ptr; - struct drm_clip_rect *clips = NULL; - struct drm_mode_fb_dirty_cmd *r = data; - struct drm_framebuffer *fb; - unsigned flags; - int num_clips; - int ret; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - fb = drm_framebuffer_lookup(dev, r->fb_id); - if (!fb) - return -EINVAL; - - num_clips = r->num_clips; - clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; - - if (!num_clips != !clips_ptr) { - ret = -EINVAL; - goto out_err1; - } - - flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; - - /* If userspace annotates copy, clips must come in pairs */ - if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { - ret = -EINVAL; - goto out_err1; - } - - if (num_clips && clips_ptr) { - if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { - ret = -EINVAL; - goto out_err1; - } - clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); - if (!clips) { - ret = -ENOMEM; - goto out_err1; - } - - ret = copy_from_user(clips, clips_ptr, - num_clips * sizeof(*clips)); - if (ret) { - ret = -EFAULT; - goto out_err2; - } - } - - if (fb->funcs->dirty) { - drm_modeset_lock_all(dev); - ret = fb->funcs->dirty(fb, file_priv, flags, r->color, - clips, num_clips); - drm_modeset_unlock_all(dev); - } else { - ret = -ENOSYS; - } - -out_err2: - kfree(clips); -out_err1: - drm_framebuffer_unreference(fb); - - return ret; -} - - -/** - * drm_fb_release - remove and free the FBs on this file - * @priv: drm file for the ioctl - * - * Destroy all the FBs associated with @filp. - * - * Called by the user via ioctl. - * - * RETURNS: - * Zero on success, errno on failure. - */ -void drm_fb_release(struct drm_file *priv) -{ - struct drm_device *dev = priv->minor->dev; - struct drm_framebuffer *fb, *tfb; - - mutex_lock(&priv->fbs_lock); - list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { - - mutex_lock(&dev->mode_config.fb_lock); - /* Mark fb as reaped, we still have a ref from fpriv->fbs. */ - __drm_framebuffer_unregister(dev, fb); - mutex_unlock(&dev->mode_config.fb_lock); - - list_del_init(&fb->filp_head); - - /* This will also drop the fpriv->fbs reference. */ - drm_framebuffer_remove(fb); - } - mutex_unlock(&priv->fbs_lock); -} - -struct drm_property *drm_property_create(struct drm_device *dev, int flags, - const char *name, int num_values) -{ - struct drm_property *property = NULL; - int ret; - - property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); - if (!property) - return NULL; - - if (num_values) { - property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); - if (!property->values) - goto fail; - } - - ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); - if (ret) - goto fail; - - property->flags = flags; - property->num_values = num_values; - INIT_LIST_HEAD(&property->enum_blob_list); - - if (name) { - strncpy(property->name, name, DRM_PROP_NAME_LEN); - property->name[DRM_PROP_NAME_LEN-1] = '\0'; - } - - list_add_tail(&property->head, &dev->mode_config.property_list); - return property; -fail: - kfree(property->values); - kfree(property); - return NULL; -} -EXPORT_SYMBOL(drm_property_create); - -struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, - const char *name, - const struct drm_prop_enum_list *props, - int num_values) -{ - struct drm_property *property; - int i, ret; - - flags |= DRM_MODE_PROP_ENUM; - - property = drm_property_create(dev, flags, name, num_values); - if (!property) - return NULL; - - for (i = 0; i < num_values; i++) { - ret = drm_property_add_enum(property, i, - props[i].type, - props[i].name); - if (ret) { - drm_property_destroy(dev, property); - return NULL; - } - } - - return property; -} -EXPORT_SYMBOL(drm_property_create_enum); - -struct drm_property *drm_property_create_bitmask(struct drm_device *dev, - int flags, const char *name, - const struct drm_prop_enum_list *props, - int num_values) -{ - struct drm_property *property; - int i, ret; - - flags |= DRM_MODE_PROP_BITMASK; - - property = drm_property_create(dev, flags, name, num_values); - if (!property) - return NULL; - - for (i = 0; i < num_values; i++) { - ret = drm_property_add_enum(property, i, - props[i].type, - props[i].name); - if (ret) { - drm_property_destroy(dev, property); - return NULL; - } - } - - return property; -} -EXPORT_SYMBOL(drm_property_create_bitmask); - -struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, - const char *name, - uint64_t min, uint64_t max) -{ - struct drm_property *property; - - flags |= DRM_MODE_PROP_RANGE; - - property = drm_property_create(dev, flags, name, 2); - if (!property) - return NULL; - - property->values[0] = min; - property->values[1] = max; - - return property; -} -EXPORT_SYMBOL(drm_property_create_range); - -int drm_property_add_enum(struct drm_property *property, int index, - uint64_t value, const char *name) -{ - struct drm_property_enum *prop_enum; - - if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) - return -EINVAL; - - /* - * Bitmask enum properties have the additional constraint of values - * from 0 to 63 - */ - if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) - return -EINVAL; - - if (!list_empty(&property->enum_blob_list)) { - list_for_each_entry(prop_enum, &property->enum_blob_list, head) { - if (prop_enum->value == value) { - strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); - prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; - return 0; - } - } - } + struct drm_device *dev = crtc->dev; + struct drm_property *prop = + drm_property_create_range(dev, 0, "SHARPNESS_STRENGTH", 0, 255); - prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); - if (!prop_enum) + if (!prop) return -ENOMEM; - strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); - prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; - prop_enum->value = value; - - property->values[index] = value; - list_add_tail(&prop_enum->head, &property->enum_blob_list); - return 0; -} -EXPORT_SYMBOL(drm_property_add_enum); - -void drm_property_destroy(struct drm_device *dev, struct drm_property *property) -{ - struct drm_property_enum *prop_enum, *pt; - - list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { - list_del(&prop_enum->head); - kfree(prop_enum); - } - - if (property->num_values) - kfree(property->values); - drm_mode_object_put(dev, &property->base); - list_del(&property->head); - kfree(property); -} -EXPORT_SYMBOL(drm_property_destroy); - -void drm_object_attach_property(struct drm_mode_object *obj, - struct drm_property *property, - uint64_t init_val) -{ - int count = obj->properties->count; - - if (count == DRM_OBJECT_MAX_PROPERTY) { - WARN(1, "Failed to attach object property (type: 0x%x). Please " - "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " - "you see this message on the same object type.\n", - obj->type); - return; - } - - obj->properties->ids[count] = property->base.id; - obj->properties->values[count] = init_val; - obj->properties->count++; -} -EXPORT_SYMBOL(drm_object_attach_property); - -int drm_object_property_set_value(struct drm_mode_object *obj, - struct drm_property *property, uint64_t val) -{ - int i; - - for (i = 0; i < obj->properties->count; i++) { - if (obj->properties->ids[i] == property->base.id) { - obj->properties->values[i] = val; - return 0; - } - } - - return -EINVAL; -} -EXPORT_SYMBOL(drm_object_property_set_value); - -int drm_object_property_get_value(struct drm_mode_object *obj, - struct drm_property *property, uint64_t *val) -{ - int i; - - for (i = 0; i < obj->properties->count; i++) { - if (obj->properties->ids[i] == property->base.id) { - *val = obj->properties->values[i]; - return 0; - } - } - - return -EINVAL; -} -EXPORT_SYMBOL(drm_object_property_get_value); - -int drm_mode_getproperty_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_object *obj; - struct drm_mode_get_property *out_resp = data; - struct drm_property *property; - int enum_count = 0; - int blob_count = 0; - int value_count = 0; - int ret = 0, i; - int copied; - struct drm_property_enum *prop_enum; - struct drm_mode_property_enum __user *enum_ptr; - struct drm_property_blob *prop_blob; - uint32_t __user *blob_id_ptr; - uint64_t __user *values_ptr; - uint32_t __user *blob_length_ptr; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - drm_modeset_lock_all(dev); - obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); - if (!obj) { - ret = -EINVAL; - goto done; - } - property = obj_to_property(obj); - - if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { - list_for_each_entry(prop_enum, &property->enum_blob_list, head) - enum_count++; - } else if (property->flags & DRM_MODE_PROP_BLOB) { - list_for_each_entry(prop_blob, &property->enum_blob_list, head) - blob_count++; - } - - value_count = property->num_values; - - strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); - out_resp->name[DRM_PROP_NAME_LEN-1] = 0; - out_resp->flags = property->flags; - - if ((out_resp->count_values >= value_count) && value_count) { - values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; - for (i = 0; i < value_count; i++) { - if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { - ret = -EFAULT; - goto done; - } - } - } - out_resp->count_values = value_count; - - if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { - if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { - copied = 0; - enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; - list_for_each_entry(prop_enum, &property->enum_blob_list, head) { - - if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { - ret = -EFAULT; - goto done; - } - - if (copy_to_user(&enum_ptr[copied].name, - &prop_enum->name, DRM_PROP_NAME_LEN)) { - ret = -EFAULT; - goto done; - } - copied++; - } - } - out_resp->count_enum_blobs = enum_count; - } - - if (property->flags & DRM_MODE_PROP_BLOB) { - if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { - copied = 0; - blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; - blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; - - list_for_each_entry(prop_blob, &property->enum_blob_list, head) { - if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { - ret = -EFAULT; - goto done; - } - - if (put_user(prop_blob->length, blob_length_ptr + copied)) { - ret = -EFAULT; - goto done; - } - - copied++; - } - } - out_resp->count_enum_blobs = blob_count; - } -done: - drm_modeset_unlock_all(dev); - return ret; -} - -static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, - void *data) -{ - struct drm_property_blob *blob; - int ret; - - if (!length || !data) - return NULL; - - blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); - if (!blob) - return NULL; - - ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); - if (ret) { - kfree(blob); - return NULL; - } - - blob->length = length; - - memcpy(blob->data, data, length); - - list_add_tail(&blob->head, &dev->mode_config.property_blob_list); - return blob; -} - -static void drm_property_destroy_blob(struct drm_device *dev, - struct drm_property_blob *blob) -{ - drm_mode_object_put(dev, &blob->base); - list_del(&blob->head); - kfree(blob); -} - -int drm_mode_getblob_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_object *obj; - struct drm_mode_get_blob *out_resp = data; - struct drm_property_blob *blob; - int ret = 0; - void __user *blob_ptr; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - drm_modeset_lock_all(dev); - obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); - if (!obj) { - ret = -EINVAL; - goto done; - } - blob = obj_to_blob(obj); - - if (out_resp->length == blob->length) { - blob_ptr = (void __user *)(unsigned long)out_resp->data; - if (copy_to_user(blob_ptr, blob->data, blob->length)){ - ret = -EFAULT; - goto done; - } - } - out_resp->length = blob->length; - -done: - drm_modeset_unlock_all(dev); - return ret; -} - -int drm_mode_connector_update_edid_property(struct drm_connector *connector, - struct edid *edid) -{ - struct drm_device *dev = connector->dev; - int ret, size; - - if (connector->edid_blob_ptr) - drm_property_destroy_blob(dev, connector->edid_blob_ptr); - - /* Delete edid, when there is none. */ - if (!edid) { - connector->edid_blob_ptr = NULL; - ret = drm_object_property_set_value(&connector->base, dev->mode_config.edid_property, 0); - return ret; - } - - size = EDID_LENGTH * (1 + edid->extensions); - connector->edid_blob_ptr = drm_property_create_blob(connector->dev, - size, edid); - if (!connector->edid_blob_ptr) - return -EINVAL; - - ret = drm_object_property_set_value(&connector->base, - dev->mode_config.edid_property, - connector->edid_blob_ptr->base.id); - - return ret; -} -EXPORT_SYMBOL(drm_mode_connector_update_edid_property); - -static bool drm_property_change_is_valid(struct drm_property *property, - uint64_t value) -{ - if (property->flags & DRM_MODE_PROP_IMMUTABLE) - return false; - if (property->flags & DRM_MODE_PROP_RANGE) { - if (value < property->values[0] || value > property->values[1]) - return false; - return true; - } else if (property->flags & DRM_MODE_PROP_BITMASK) { - int i; - uint64_t valid_mask = 0; - for (i = 0; i < property->num_values; i++) - valid_mask |= (1ULL << property->values[i]); - return !(value & ~valid_mask); - } else if (property->flags & DRM_MODE_PROP_BLOB) { - /* Only the driver knows */ - return true; - } else { - int i; - for (i = 0; i < property->num_values; i++) - if (property->values[i] == value) - return true; - return false; - } -} - -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) { - if (connector->funcs->dpms) - (*connector->funcs->dpms)(connector, (int)value); - ret = 0; - } 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) -{ - int ret = -EINVAL; - struct drm_crtc *crtc = obj_to_crtc(obj); - - if (crtc->funcs->set_property) - ret = crtc->funcs->set_property(crtc, property, value); - if (!ret) - drm_object_property_set_value(obj, property, value); - - return ret; -} - -static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, - struct drm_property *property, - uint64_t value) -{ - int ret = -EINVAL; - struct drm_plane *plane = obj_to_plane(obj); - - if (plane->funcs->set_property) - ret = plane->funcs->set_property(plane, property, value); - if (!ret) - drm_object_property_set_value(obj, property, value); - - return ret; -} - -int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_mode_obj_get_properties *arg = data; - struct drm_mode_object *obj; - int ret = 0; - int i; - int copied = 0; - int props_count = 0; - uint32_t __user *props_ptr; - uint64_t __user *prop_values_ptr; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - drm_modeset_lock_all(dev); - - obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); - if (!obj) { - ret = -EINVAL; - goto out; - } - if (!obj->properties) { - ret = -EINVAL; - goto out; - } - - props_count = obj->properties->count; - - /* This ioctl is called twice, once to determine how much space is - * needed, and the 2nd time to fill it. */ - if ((arg->count_props >= props_count) && props_count) { - copied = 0; - props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); - prop_values_ptr = (uint64_t __user *)(unsigned long) - (arg->prop_values_ptr); - for (i = 0; i < props_count; i++) { - if (put_user(obj->properties->ids[i], - props_ptr + copied)) { - ret = -EFAULT; - goto out; - } - if (put_user(obj->properties->values[i], - prop_values_ptr + copied)) { - ret = -EFAULT; - goto out; - } - copied++; - } - } - arg->count_props = props_count; -out: - drm_modeset_unlock_all(dev); - return ret; -} - -int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_mode_obj_set_property *arg = data; - struct drm_mode_object *arg_obj; - struct drm_mode_object *prop_obj; - struct drm_property *property; - int ret = -EINVAL; - int i; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - drm_modeset_lock_all(dev); - - arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); - if (!arg_obj) - goto out; - if (!arg_obj->properties) - goto out; - - for (i = 0; i < arg_obj->properties->count; i++) - if (arg_obj->properties->ids[i] == arg->prop_id) - break; - - if (i == arg_obj->properties->count) - goto out; - - prop_obj = drm_mode_object_find(dev, arg->prop_id, - DRM_MODE_OBJECT_PROPERTY); - if (!prop_obj) - goto out; - property = obj_to_property(prop_obj); - - if (!drm_property_change_is_valid(property, arg->value)) - goto out; - - switch (arg_obj->type) { - case DRM_MODE_OBJECT_CONNECTOR: - ret = drm_mode_connector_set_obj_prop(arg_obj, property, - arg->value); - break; - case DRM_MODE_OBJECT_CRTC: - ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); - break; - case DRM_MODE_OBJECT_PLANE: - ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); - break; - } - -out: - drm_modeset_unlock_all(dev); - return ret; -} - -int drm_mode_connector_attach_encoder(struct drm_connector *connector, - struct drm_encoder *encoder) -{ - int i; - - 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); - -void drm_mode_connector_detach_encoder(struct drm_connector *connector, - struct drm_encoder *encoder) -{ - int i; - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - if (connector->encoder_ids[i] == encoder->base.id) { - connector->encoder_ids[i] = 0; - if (connector->encoder == encoder) - connector->encoder = NULL; - break; - } - } -} -EXPORT_SYMBOL(drm_mode_connector_detach_encoder); - -int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, - int gamma_size) -{ - crtc->gamma_size = gamma_size; - - crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); - if (!crtc->gamma_store) { - crtc->gamma_size = 0; - return -ENOMEM; - } + crtc->sharpness_strength_property = prop; + drm_object_attach_property(&crtc->base, prop, 0); return 0; } -EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); - -int drm_mode_gamma_set_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_crtc_lut *crtc_lut = data; - struct drm_mode_object *obj; - struct drm_crtc *crtc; - void *r_base, *g_base, *b_base; - int size; - int ret = 0; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - drm_modeset_lock_all(dev); - obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); - if (!obj) { - ret = -EINVAL; - goto out; - } - crtc = obj_to_crtc(obj); - - if (crtc->funcs->gamma_set == NULL) { - ret = -ENOSYS; - goto out; - } - - /* memcpy into gamma store */ - if (crtc_lut->gamma_size != crtc->gamma_size) { - ret = -EINVAL; - goto out; - } - - size = crtc_lut->gamma_size * (sizeof(uint16_t)); - r_base = crtc->gamma_store; - if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { - ret = -EFAULT; - goto out; - } - - g_base = r_base + size; - if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { - ret = -EFAULT; - goto out; - } - - b_base = g_base + size; - if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { - ret = -EFAULT; - goto out; - } - - crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); - -out: - drm_modeset_unlock_all(dev); - return ret; - -} - -int drm_mode_gamma_get_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_crtc_lut *crtc_lut = data; - struct drm_mode_object *obj; - struct drm_crtc *crtc; - void *r_base, *g_base, *b_base; - int size; - int ret = 0; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - drm_modeset_lock_all(dev); - obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); - if (!obj) { - ret = -EINVAL; - goto out; - } - crtc = obj_to_crtc(obj); - - /* memcpy into gamma store */ - if (crtc_lut->gamma_size != crtc->gamma_size) { - ret = -EINVAL; - goto out; - } - - size = crtc_lut->gamma_size * (sizeof(uint16_t)); - r_base = crtc->gamma_store; - if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { - ret = -EFAULT; - goto out; - } - - g_base = r_base + size; - if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { - ret = -EFAULT; - goto out; - } - - b_base = g_base + size; - if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { - ret = -EFAULT; - goto out; - } -out: - drm_modeset_unlock_all(dev); - return ret; -} - -int drm_mode_page_flip_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_crtc_page_flip *page_flip = data; - struct drm_mode_object *obj; - struct drm_crtc *crtc; - struct drm_framebuffer *fb = NULL, *old_fb = NULL; - struct drm_pending_vblank_event *e = NULL; - unsigned long flags; - int hdisplay, vdisplay; - int ret = -EINVAL; - - if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || - page_flip->reserved != 0) - return -EINVAL; - - obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); - if (!obj) - return -EINVAL; - crtc = obj_to_crtc(obj); - - mutex_lock(&crtc->mutex); - if (crtc->fb == NULL) { - /* The framebuffer is currently unbound, presumably - * due to a hotplug event, that userspace has not - * yet discovered. - */ - ret = -EBUSY; - goto out; - } - - if (crtc->funcs->page_flip == NULL) - goto out; - - fb = drm_framebuffer_lookup(dev, page_flip->fb_id); - if (!fb) - goto out; - - hdisplay = crtc->mode.hdisplay; - vdisplay = crtc->mode.vdisplay; - - if (crtc->invert_dimensions) - swap(hdisplay, vdisplay); - - if (hdisplay > fb->width || - vdisplay > fb->height || - crtc->x > fb->width - hdisplay || - crtc->y > fb->height - vdisplay) { - DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n", - fb->width, fb->height, hdisplay, vdisplay, crtc->x, crtc->y, - crtc->invert_dimensions ? " (inverted)" : ""); - ret = -ENOSPC; - goto out; - } - - if (crtc->fb->pixel_format != fb->pixel_format) { - DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n"); - ret = -EINVAL; - goto out; - } - - if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { - ret = -ENOMEM; - spin_lock_irqsave(&dev->event_lock, flags); - if (file_priv->event_space < sizeof e->event) { - spin_unlock_irqrestore(&dev->event_lock, flags); - goto out; - } - file_priv->event_space -= sizeof e->event; - spin_unlock_irqrestore(&dev->event_lock, flags); - - e = kzalloc(sizeof *e, GFP_KERNEL); - if (e == NULL) { - spin_lock_irqsave(&dev->event_lock, flags); - file_priv->event_space += sizeof e->event; - spin_unlock_irqrestore(&dev->event_lock, flags); - goto out; - } - - e->event.base.type = DRM_EVENT_FLIP_COMPLETE; - e->event.base.length = sizeof e->event; - e->event.user_data = page_flip->user_data; - e->base.event = &e->event.base; - e->base.file_priv = file_priv; - e->base.destroy = - (void (*) (struct drm_pending_event *)) kfree; - } - - old_fb = crtc->fb; - ret = crtc->funcs->page_flip(crtc, fb, e); - if (ret) { - if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { - spin_lock_irqsave(&dev->event_lock, flags); - file_priv->event_space += sizeof e->event; - spin_unlock_irqrestore(&dev->event_lock, flags); - kfree(e); - } - /* Keep the old fb, don't unref it. */ - old_fb = NULL; - } else { - /* - * Warn if the driver hasn't properly updated the crtc->fb - * field to reflect that the new framebuffer is now used. - * Failing to do so will screw with the reference counting - * on framebuffers. - */ - WARN_ON(crtc->fb != fb); - /* Unref only the old framebuffer. */ - fb = NULL; - } - -out: - if (fb) - drm_framebuffer_unreference(fb); - if (old_fb) - drm_framebuffer_unreference(old_fb); - mutex_unlock(&crtc->mutex); - - return ret; -} - -void drm_mode_config_reset(struct drm_device *dev) -{ - struct drm_crtc *crtc; - struct drm_encoder *encoder; - struct drm_connector *connector; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - if (crtc->funcs->reset) - crtc->funcs->reset(crtc); - - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) - if (encoder->funcs->reset) - encoder->funcs->reset(encoder); - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - connector->status = connector_status_unknown; - - if (connector->funcs->reset) - connector->funcs->reset(connector); - } -} -EXPORT_SYMBOL(drm_mode_config_reset); - -int drm_mode_create_dumb_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_create_dumb *args = data; - - if (!dev->driver->dumb_create) - return -ENOSYS; - return dev->driver->dumb_create(file_priv, dev, args); -} - -int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_map_dumb *args = data; - - /* call driver ioctl to get mmap offset */ - if (!dev->driver->dumb_map_offset) - return -ENOSYS; - - return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); -} - -int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_destroy_dumb *args = data; - - if (!dev->driver->dumb_destroy) - return -ENOSYS; - - return dev->driver->dumb_destroy(file_priv, dev, args->handle); -} - -/* - * Just need to support RGB formats here for compat with code that doesn't - * use pixel formats directly yet. - */ -void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, - int *bpp) -{ - switch (format) { - case DRM_FORMAT_C8: - case DRM_FORMAT_RGB332: - case DRM_FORMAT_BGR233: - *depth = 8; - *bpp = 8; - break; - case DRM_FORMAT_XRGB1555: - case DRM_FORMAT_XBGR1555: - case DRM_FORMAT_RGBX5551: - case DRM_FORMAT_BGRX5551: - case DRM_FORMAT_ARGB1555: - case DRM_FORMAT_ABGR1555: - case DRM_FORMAT_RGBA5551: - case DRM_FORMAT_BGRA5551: - *depth = 15; - *bpp = 16; - break; - case DRM_FORMAT_RGB565: - case DRM_FORMAT_BGR565: - *depth = 16; - *bpp = 16; - break; - case DRM_FORMAT_RGB888: - case DRM_FORMAT_BGR888: - *depth = 24; - *bpp = 24; - break; - case DRM_FORMAT_XRGB8888: - case DRM_FORMAT_XBGR8888: - case DRM_FORMAT_RGBX8888: - case DRM_FORMAT_BGRX8888: - *depth = 24; - *bpp = 32; - break; - case DRM_FORMAT_XRGB2101010: - case DRM_FORMAT_XBGR2101010: - case DRM_FORMAT_RGBX1010102: - case DRM_FORMAT_BGRX1010102: - case DRM_FORMAT_ARGB2101010: - case DRM_FORMAT_ABGR2101010: - case DRM_FORMAT_RGBA1010102: - case DRM_FORMAT_BGRA1010102: - *depth = 30; - *bpp = 32; - break; - case DRM_FORMAT_ARGB8888: - case DRM_FORMAT_ABGR8888: - case DRM_FORMAT_RGBA8888: - case DRM_FORMAT_BGRA8888: - *depth = 32; - *bpp = 32; - break; - default: - DRM_DEBUG_KMS("unsupported pixel format\n"); - *depth = 0; - *bpp = 0; - break; - } -} -EXPORT_SYMBOL(drm_fb_get_bpp_depth); +EXPORT_SYMBOL(drm_crtc_create_sharpness_strength_property); /** - * drm_format_num_planes - get the number of planes for format - * @format: pixel format (DRM_FORMAT_*) + * drm_crtc_in_clone_mode - check if the given CRTC state is in clone mode * - * RETURNS: - * The number of planes used by the specified pixel format. - */ -int drm_format_num_planes(uint32_t format) -{ - switch (format) { - case DRM_FORMAT_YUV410: - case DRM_FORMAT_YVU410: - case DRM_FORMAT_YUV411: - case DRM_FORMAT_YVU411: - case DRM_FORMAT_YUV420: - case DRM_FORMAT_YVU420: - case DRM_FORMAT_YUV422: - case DRM_FORMAT_YVU422: - case DRM_FORMAT_YUV444: - case DRM_FORMAT_YVU444: - return 3; - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV21: - case DRM_FORMAT_NV16: - case DRM_FORMAT_NV61: - case DRM_FORMAT_NV24: - case DRM_FORMAT_NV42: - return 2; - default: - return 1; - } -} -EXPORT_SYMBOL(drm_format_num_planes); - -/** - * drm_format_plane_cpp - determine the bytes per pixel value - * @format: pixel format (DRM_FORMAT_*) - * @plane: plane index - * - * RETURNS: - * The bytes per pixel value for the specified plane. - */ -int drm_format_plane_cpp(uint32_t format, int plane) -{ - unsigned int depth; - int bpp; - - if (plane >= drm_format_num_planes(format)) - return 0; - - switch (format) { - case DRM_FORMAT_YUYV: - case DRM_FORMAT_YVYU: - case DRM_FORMAT_UYVY: - case DRM_FORMAT_VYUY: - return 2; - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV21: - case DRM_FORMAT_NV16: - case DRM_FORMAT_NV61: - case DRM_FORMAT_NV24: - case DRM_FORMAT_NV42: - return plane ? 2 : 1; - case DRM_FORMAT_YUV410: - case DRM_FORMAT_YVU410: - case DRM_FORMAT_YUV411: - case DRM_FORMAT_YVU411: - case DRM_FORMAT_YUV420: - case DRM_FORMAT_YVU420: - case DRM_FORMAT_YUV422: - case DRM_FORMAT_YVU422: - case DRM_FORMAT_YUV444: - case DRM_FORMAT_YVU444: - return 1; - default: - drm_fb_get_bpp_depth(format, &depth, &bpp); - return bpp >> 3; - } -} -EXPORT_SYMBOL(drm_format_plane_cpp); - -/** - * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor - * @format: pixel format (DRM_FORMAT_*) + * @crtc_state: CRTC state to check * - * RETURNS: - * The horizontal chroma subsampling factor for the - * specified pixel format. - */ -int drm_format_horz_chroma_subsampling(uint32_t format) -{ - switch (format) { - case DRM_FORMAT_YUV411: - case DRM_FORMAT_YVU411: - case DRM_FORMAT_YUV410: - case DRM_FORMAT_YVU410: - return 4; - case DRM_FORMAT_YUYV: - case DRM_FORMAT_YVYU: - case DRM_FORMAT_UYVY: - case DRM_FORMAT_VYUY: - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV21: - case DRM_FORMAT_NV16: - case DRM_FORMAT_NV61: - case DRM_FORMAT_YUV422: - case DRM_FORMAT_YVU422: - case DRM_FORMAT_YUV420: - case DRM_FORMAT_YVU420: - return 2; - default: - return 1; - } -} -EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); - -/** - * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor - * @format: pixel format (DRM_FORMAT_*) + * This function determines if the given CRTC state is being cloned by multiple + * encoders. * * RETURNS: - * The vertical chroma subsampling factor for the - * specified pixel format. - */ -int drm_format_vert_chroma_subsampling(uint32_t format) -{ - switch (format) { - case DRM_FORMAT_YUV410: - case DRM_FORMAT_YVU410: - return 4; - case DRM_FORMAT_YUV420: - case DRM_FORMAT_YVU420: - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV21: - return 2; - default: - return 1; - } -} -EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); - -/** - * drm_mode_config_init - initialize DRM mode_configuration structure - * @dev: DRM device - * - * Initialize @dev's mode_config structure, used for tracking the graphics - * configuration of @dev. - * - * Since this initializes the modeset locks, no locking is possible. Which is no - * problem, since this should happen single threaded at init time. It is the - * driver's problem to ensure this guarantee. - * + * True if the CRTC state is in clone mode. False otherwise */ -void drm_mode_config_init(struct drm_device *dev) +bool drm_crtc_in_clone_mode(struct drm_crtc_state *crtc_state) { - mutex_init(&dev->mode_config.mutex); - mutex_init(&dev->mode_config.idr_mutex); - mutex_init(&dev->mode_config.fb_lock); - INIT_LIST_HEAD(&dev->mode_config.fb_list); - INIT_LIST_HEAD(&dev->mode_config.crtc_list); - INIT_LIST_HEAD(&dev->mode_config.connector_list); - INIT_LIST_HEAD(&dev->mode_config.encoder_list); - INIT_LIST_HEAD(&dev->mode_config.property_list); - INIT_LIST_HEAD(&dev->mode_config.property_blob_list); - INIT_LIST_HEAD(&dev->mode_config.plane_list); - idr_init(&dev->mode_config.crtc_idr); - - drm_modeset_lock_all(dev); - drm_mode_create_standard_connector_properties(dev); - drm_modeset_unlock_all(dev); - - /* Just to be sure */ - dev->mode_config.num_fb = 0; - dev->mode_config.num_connector = 0; - dev->mode_config.num_crtc = 0; - dev->mode_config.num_encoder = 0; -} -EXPORT_SYMBOL(drm_mode_config_init); - -/** - * drm_mode_config_cleanup - free up DRM mode_config info - * @dev: DRM device - * - * Free up all the connectors and CRTCs associated with this DRM device, then - * free up the framebuffers and associated buffer objects. - * - * Note that since this /should/ happen single-threaded at driver/device - * teardown time, no locking is required. It's the driver's job to ensure that - * this guarantee actually holds true. - * - * FIXME: cleanup any dangling user buffer objects too - */ -void drm_mode_config_cleanup(struct drm_device *dev) -{ - struct drm_connector *connector, *ot; - struct drm_crtc *crtc, *ct; - struct drm_encoder *encoder, *enct; - struct drm_framebuffer *fb, *fbt; - struct drm_property *property, *pt; - struct drm_property_blob *blob, *bt; - struct drm_plane *plane, *plt; - - list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, - head) { - encoder->funcs->destroy(encoder); - } - - list_for_each_entry_safe(connector, ot, - &dev->mode_config.connector_list, head) { - connector->funcs->destroy(connector); - } - - list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, - head) { - drm_property_destroy(dev, property); - } - - list_for_each_entry_safe(blob, bt, &dev->mode_config.property_blob_list, - head) { - drm_property_destroy_blob(dev, blob); - } - - /* - * Single-threaded teardown context, so it's not required to grab the - * fb_lock to protect against concurrent fb_list access. Contrary, it - * would actually deadlock with the drm_framebuffer_cleanup function. - * - * Also, if there are any framebuffers left, that's a driver leak now, - * so politely WARN about this. - */ - WARN_ON(!list_empty(&dev->mode_config.fb_list)); - list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { - drm_framebuffer_remove(fb); - } - - list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, - head) { - plane->funcs->destroy(plane); - } - - list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { - crtc->funcs->destroy(crtc); - } + if (!crtc_state) + return false; - idr_destroy(&dev->mode_config.crtc_idr); + return hweight32(crtc_state->encoder_mask) > 1; } -EXPORT_SYMBOL(drm_mode_config_cleanup); +EXPORT_SYMBOL(drm_crtc_in_clone_mode); |