diff options
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 411 |
1 files changed, 115 insertions, 296 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index dd64a06dc5b4..3a8f7e6db295 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -178,9 +178,6 @@ static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, }; -DRM_ENUM_NAME_FN(drm_get_dirty_info_name, - drm_dirty_info_enum_list) - struct drm_conn_prop_enum_list { int type; char *name; @@ -412,7 +409,7 @@ struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, mutex_lock(&dev->mode_config.fb_lock); fb = __drm_framebuffer_lookup(dev, id); if (fb) - kref_get(&fb->refcount); + drm_framebuffer_reference(fb); mutex_unlock(&dev->mode_config.fb_lock); return fb; @@ -706,7 +703,6 @@ int drm_connector_init(struct drm_device *dev, connector->connector_type = connector_type; connector->connector_type_id = ++drm_connector_enum_list[connector_type].count; /* TODO */ - INIT_LIST_HEAD(&connector->user_modes); INIT_LIST_HEAD(&connector->probed_modes); INIT_LIST_HEAD(&connector->modes); connector->edid_blob_ptr = NULL; @@ -747,9 +743,6 @@ void drm_connector_cleanup(struct drm_connector *connector) list_for_each_entry_safe(mode, t, &connector->modes, head) drm_mode_remove(connector, mode); - list_for_each_entry_safe(mode, t, &connector->user_modes, head) - drm_mode_remove(connector, mode); - drm_mode_object_put(dev, &connector->base); list_del(&connector->head); dev->mode_config.num_connector--; @@ -1120,45 +1113,7 @@ int drm_mode_create_dirty_info_property(struct drm_device *dev) } EXPORT_SYMBOL(drm_mode_create_dirty_info_property); -/** - * 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. - * - */ -void drm_mode_config_init(struct drm_device *dev) -{ - 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); - -int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) +static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) { uint32_t total_objects = 0; @@ -1203,69 +1158,6 @@ int drm_mode_group_init_legacy_group(struct drm_device *dev, EXPORT_SYMBOL(drm_mode_group_init_legacy_group); /** - * 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_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); - } - - /* - * 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); - } - - idr_destroy(&dev->mode_config.crtc_idr); -} -EXPORT_SYMBOL(drm_mode_config_cleanup); - -/** * 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 @@ -2717,192 +2609,6 @@ void drm_fb_release(struct drm_file *priv) mutex_unlock(&priv->fbs_lock); } -/** - * drm_mode_attachmode - add a mode to the user mode list - * @dev: DRM device - * @connector: connector to add the mode to - * @mode: mode to add - * - * Add @mode to @connector's user mode list. - */ -static void drm_mode_attachmode(struct drm_device *dev, - struct drm_connector *connector, - struct drm_display_mode *mode) -{ - list_add_tail(&mode->head, &connector->user_modes); -} - -int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, - const struct drm_display_mode *mode) -{ - struct drm_connector *connector; - int ret = 0; - struct drm_display_mode *dup_mode, *next; - LIST_HEAD(list); - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - if (!connector->encoder) - continue; - if (connector->encoder->crtc == crtc) { - dup_mode = drm_mode_duplicate(dev, mode); - if (!dup_mode) { - ret = -ENOMEM; - goto out; - } - list_add_tail(&dup_mode->head, &list); - } - } - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - if (!connector->encoder) - continue; - if (connector->encoder->crtc == crtc) - list_move_tail(list.next, &connector->user_modes); - } - - WARN_ON(!list_empty(&list)); - - out: - list_for_each_entry_safe(dup_mode, next, &list, head) - drm_mode_destroy(dev, dup_mode); - - return ret; -} -EXPORT_SYMBOL(drm_mode_attachmode_crtc); - -static int drm_mode_detachmode(struct drm_device *dev, - struct drm_connector *connector, - struct drm_display_mode *mode) -{ - int found = 0; - int ret = 0; - struct drm_display_mode *match_mode, *t; - - list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { - if (drm_mode_equal(match_mode, mode)) { - list_del(&match_mode->head); - drm_mode_destroy(dev, match_mode); - found = 1; - break; - } - } - - if (!found) - ret = -EINVAL; - - return ret; -} - -int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) -{ - struct drm_connector *connector; - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - drm_mode_detachmode(dev, connector, mode); - } - return 0; -} -EXPORT_SYMBOL(drm_mode_detachmode_crtc); - -/** - * drm_fb_attachmode - Attach a user mode to an connector - * @dev: drm device for the ioctl - * @data: data pointer for the ioctl - * @file_priv: drm file for the ioctl call - * - * This attaches a user specified mode to an connector. - * Called by the user via ioctl. - * - * RETURNS: - * Zero on success, errno on failure. - */ -int drm_mode_attachmode_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_mode_cmd *mode_cmd = data; - struct drm_connector *connector; - struct drm_display_mode *mode; - struct drm_mode_object *obj; - struct drm_mode_modeinfo *umode = &mode_cmd->mode; - int ret; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - drm_modeset_lock_all(dev); - - obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); - if (!obj) { - ret = -EINVAL; - goto out; - } - connector = obj_to_connector(obj); - - mode = drm_mode_create(dev); - if (!mode) { - ret = -ENOMEM; - goto out; - } - - ret = drm_crtc_convert_umode(mode, umode); - if (ret) { - DRM_DEBUG_KMS("Invalid mode\n"); - drm_mode_destroy(dev, mode); - goto out; - } - - drm_mode_attachmode(dev, connector, mode); -out: - drm_modeset_unlock_all(dev); - return ret; -} - - -/** - * drm_fb_detachmode - Detach a user specified mode from an connector - * @dev: drm device for the ioctl - * @data: data pointer for the ioctl - * @file_priv: drm file for the ioctl call - * - * Called by the user via ioctl. - * - * RETURNS: - * Zero on success, errno on failure. - */ -int drm_mode_detachmode_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) -{ - struct drm_mode_object *obj; - struct drm_mode_mode_cmd *mode_cmd = data; - struct drm_connector *connector; - struct drm_display_mode mode; - struct drm_mode_modeinfo *umode = &mode_cmd->mode; - int ret; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -EINVAL; - - drm_modeset_lock_all(dev); - - obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); - if (!obj) { - ret = -EINVAL; - goto out; - } - connector = obj_to_connector(obj); - - ret = drm_crtc_convert_umode(&mode, umode); - if (ret) { - DRM_DEBUG_KMS("Invalid mode\n"); - goto out; - } - - ret = drm_mode_detachmode(dev, connector, &mode); -out: - drm_modeset_unlock_all(dev); - return ret; -} - struct drm_property *drm_property_create(struct drm_device *dev, int flags, const char *name, int num_values) { @@ -3739,6 +3445,12 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev, 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); @@ -4064,3 +3776,110 @@ int drm_format_vert_chroma_subsampling(uint32_t format) } } 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. + * + */ +void drm_mode_config_init(struct drm_device *dev) +{ + 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); + } + + idr_destroy(&dev->mode_config.crtc_idr); +} +EXPORT_SYMBOL(drm_mode_config_cleanup); |