The core imx_drm_connector and imx_drm_encoder code is no longer required - the connectors and encoders are all using the component support, so we can remove this.
Signed-off-by: Russell King rmk+kernel@arm.linux.org.uk --- drivers/staging/imx-drm/imx-drm-core.c | 370 -------------------------------- drivers/staging/imx-drm/imx-drm.h | 14 -- 2 files changed, 0 insertions(+), 384 deletions(-)
diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c index 30d516cc76bb..7872d13689ea 100644 --- a/drivers/staging/imx-drm/imx-drm-core.c +++ b/drivers/staging/imx-drm/imx-drm-core.c @@ -40,8 +40,6 @@ struct imx_drm_device { struct drm_device *drm; struct device *dev; struct imx_drm_crtc *crtc[MAX_CRTC]; - struct list_head encoder_list; - struct list_head connector_list; struct mutex mutex; int pipes; struct drm_fbdev_cma *fbhelper; @@ -56,24 +54,9 @@ struct imx_drm_crtc { int mux_id; };
-struct imx_drm_encoder { - struct drm_encoder *encoder; - struct list_head list; - struct module *owner; - struct list_head possible_crtcs; -}; - -struct imx_drm_connector { - struct drm_connector *connector; - struct list_head list; - struct module *owner; -}; - static int legacyfb_depth = 16; module_param(legacyfb_depth, int, 0444);
-static void imx_drm_device_put(void); - int imx_drm_crtc_id(struct imx_drm_crtc *crtc) { return crtc->pipe; @@ -101,8 +84,6 @@ static int imx_drm_driver_unload(struct drm_device *drm)
component_unbind_all(drm->dev, drm);
- imx_drm_device_put(); - drm_vblank_cleanup(drm); drm_kms_helper_poll_fini(drm); drm_mode_config_cleanup(drm); @@ -234,135 +215,6 @@ static struct imx_drm_device *__imx_drm_device(void) return imx_drm_device; }
-static struct drm_device *imx_drm_device_get(void) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - struct imx_drm_encoder *enc; - struct imx_drm_connector *con; - - list_for_each_entry(enc, &imxdrm->encoder_list, list) { - if (!try_module_get(enc->owner)) { - dev_err(imxdrm->dev, "could not get module %s\n", - module_name(enc->owner)); - goto unwind_enc; - } - } - - list_for_each_entry(con, &imxdrm->connector_list, list) { - if (!try_module_get(con->owner)) { - dev_err(imxdrm->dev, "could not get module %s\n", - module_name(con->owner)); - goto unwind_con; - } - } - - return imxdrm->drm; - -unwind_con: - list_for_each_entry_continue_reverse(con, &imxdrm->connector_list, list) - module_put(con->owner); -unwind_enc: - list_for_each_entry_continue_reverse(enc, &imxdrm->encoder_list, list) - module_put(enc->owner); - - mutex_unlock(&imxdrm->mutex); - - return NULL; - -} - -static void imx_drm_device_put(void) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - struct imx_drm_encoder *enc; - struct imx_drm_connector *con; - - mutex_lock(&imxdrm->mutex); - - list_for_each_entry(con, &imxdrm->connector_list, list) - module_put(con->owner); - - list_for_each_entry(enc, &imxdrm->encoder_list, list) - module_put(enc->owner); - - mutex_unlock(&imxdrm->mutex); -} - -static int drm_mode_group_reinit(struct drm_device *dev) -{ - struct drm_mode_group *group = &dev->primary->mode_group; - uint32_t *id_list = group->id_list; - int ret; - - ret = drm_mode_group_init_legacy_group(dev, group); - if (ret < 0) - return ret; - - kfree(id_list); - return 0; -} - -/* - * register an encoder to the drm core - */ -static int imx_drm_encoder_register(struct imx_drm_encoder *imx_drm_encoder) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - - INIT_LIST_HEAD(&imx_drm_encoder->possible_crtcs); - - drm_encoder_init(imxdrm->drm, imx_drm_encoder->encoder, - imx_drm_encoder->encoder->funcs, - imx_drm_encoder->encoder->encoder_type); - - drm_mode_group_reinit(imxdrm->drm); - - return 0; -} - -/* - * unregister an encoder from the drm core - */ -static void imx_drm_encoder_unregister(struct imx_drm_encoder - *imx_drm_encoder) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - - drm_encoder_cleanup(imx_drm_encoder->encoder); - - drm_mode_group_reinit(imxdrm->drm); -} - -/* - * register a connector to the drm core - */ -static int imx_drm_connector_register( - struct imx_drm_connector *imx_drm_connector) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - - drm_connector_init(imxdrm->drm, imx_drm_connector->connector, - imx_drm_connector->connector->funcs, - imx_drm_connector->connector->connector_type); - drm_mode_group_reinit(imxdrm->drm); - - return 0; -} - -/* - * unregister a connector from the drm core - */ -static void imx_drm_connector_unregister( - struct imx_drm_connector *imx_drm_connector) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - - drm_sysfs_connector_remove(imx_drm_connector->connector); - drm_connector_cleanup(imx_drm_connector->connector); - - drm_mode_group_reinit(imxdrm->drm); -} - void imx_drm_connector_destroy(struct drm_connector *connector) { drm_sysfs_connector_remove(connector); @@ -439,11 +291,6 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags) */ drm->vblank_disable_allowed = true;
- if (!imx_drm_device_get()) { - ret = -EINVAL; - goto err_vblank; - } - mutex_unlock(&imxdrm->mutex);
/* Now try and bind all our sub-components */ @@ -491,7 +338,6 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags) component_unbind_all(drm->dev, drm); err_relock: mutex_lock(&imxdrm->mutex); -err_vblank: drm_vblank_cleanup(drm); err_kms: drm_kms_helper_poll_fini(drm); @@ -501,29 +347,6 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags) return ret; }
-static void imx_drm_update_possible_crtcs(void) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - struct imx_drm_crtc *imx_drm_crtc; - struct imx_drm_encoder *enc; - struct crtc_cookie *cookie; - - list_for_each_entry(enc, &imxdrm->encoder_list, list) { - u32 possible_crtcs = 0; - - list_for_each_entry(cookie, &enc->possible_crtcs, list) { - list_for_each_entry(imx_drm_crtc, &imxdrm->crtc_list, list) { - if (imx_drm_crtc->cookie.cookie == cookie->cookie && - imx_drm_crtc->cookie.id == cookie->id) { - possible_crtcs |= 1 << imx_drm_crtc->pipe; - } - } - } - enc->encoder->possible_crtcs = possible_crtcs; - enc->encoder->possible_clones = possible_crtcs; - } -} - /* * imx_drm_add_crtc - add a new crtc * @@ -583,8 +406,6 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, drm_crtc_init(drm, crtc, imx_drm_crtc->imx_drm_helper_funcs.crtc_funcs);
- imx_drm_update_possible_crtcs(); - mutex_unlock(&imxdrm->mutex);
return 0; @@ -621,56 +442,6 @@ int imx_drm_remove_crtc(struct imx_drm_crtc *imx_drm_crtc) EXPORT_SYMBOL_GPL(imx_drm_remove_crtc);
/* - * imx_drm_add_encoder - add a new encoder - */ -int imx_drm_add_encoder(struct drm_encoder *encoder, - struct imx_drm_encoder **newenc, struct module *owner) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - struct imx_drm_encoder *imx_drm_encoder; - int ret; - - mutex_lock(&imxdrm->mutex); - - if (imxdrm->drm->open_count) { - ret = -EBUSY; - goto err_busy; - } - - imx_drm_encoder = kzalloc(sizeof(*imx_drm_encoder), GFP_KERNEL); - if (!imx_drm_encoder) { - ret = -ENOMEM; - goto err_alloc; - } - - imx_drm_encoder->encoder = encoder; - imx_drm_encoder->owner = owner; - - ret = imx_drm_encoder_register(imx_drm_encoder); - if (ret) { - ret = -ENOMEM; - goto err_register; - } - - list_add_tail(&imx_drm_encoder->list, &imxdrm->encoder_list); - - *newenc = imx_drm_encoder; - - mutex_unlock(&imxdrm->mutex); - - return 0; - -err_register: - kfree(imx_drm_encoder); -err_alloc: -err_busy: - mutex_unlock(&imxdrm->mutex); - - return ret; -} -EXPORT_SYMBOL_GPL(imx_drm_add_encoder); - -/* * Find the DRM CRTC possible mask for the device node cookie/id. * * The encoder possible masks are defined by their position in the @@ -736,49 +507,6 @@ int imx_drm_encoder_parse_of(struct drm_device *drm, } EXPORT_SYMBOL_GPL(imx_drm_encoder_parse_of);
-int imx_drm_encoder_add_possible_crtcs( - struct imx_drm_encoder *imx_drm_encoder, - struct device_node *np) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - struct of_phandle_args args; - struct crtc_cookie *c; - int ret = 0; - int i; - - if (!list_empty(&imx_drm_encoder->possible_crtcs)) - return -EBUSY; - - for (i = 0; !ret; i++) { - ret = of_parse_phandle_with_args(np, "crtcs", - "#crtc-cells", i, &args); - if (ret < 0) - break; - - c = kzalloc(sizeof(*c), GFP_KERNEL); - if (!c) { - of_node_put(args.np); - return -ENOMEM; - } - - c->cookie = args.np; - c->id = args.args_count > 0 ? args.args[0] : 0; - - of_node_put(args.np); - - mutex_lock(&imxdrm->mutex); - - list_add_tail(&c->list, &imx_drm_encoder->possible_crtcs); - - mutex_unlock(&imxdrm->mutex); - } - - imx_drm_update_possible_crtcs(); - - return 0; -} -EXPORT_SYMBOL_GPL(imx_drm_encoder_add_possible_crtcs); - int imx_drm_encoder_get_mux_id(struct drm_encoder *encoder) { struct imx_drm_crtc *imx_crtc = imx_drm_find_crtc(encoder->crtc); @@ -787,102 +515,6 @@ int imx_drm_encoder_get_mux_id(struct drm_encoder *encoder) } EXPORT_SYMBOL_GPL(imx_drm_encoder_get_mux_id);
-/* - * imx_drm_remove_encoder - remove an encoder - */ -int imx_drm_remove_encoder(struct imx_drm_encoder *imx_drm_encoder) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - struct crtc_cookie *c, *tmp; - - mutex_lock(&imxdrm->mutex); - - imx_drm_encoder_unregister(imx_drm_encoder); - - list_del(&imx_drm_encoder->list); - - list_for_each_entry_safe(c, tmp, &imx_drm_encoder->possible_crtcs, - list) - kfree(c); - - mutex_unlock(&imxdrm->mutex); - - kfree(imx_drm_encoder); - - return 0; -} -EXPORT_SYMBOL_GPL(imx_drm_remove_encoder); - -/* - * imx_drm_add_connector - add a connector - */ -int imx_drm_add_connector(struct drm_connector *connector, - struct imx_drm_connector **new_con, - struct module *owner) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - struct imx_drm_connector *imx_drm_connector; - int ret; - - mutex_lock(&imxdrm->mutex); - - if (imxdrm->drm->open_count) { - ret = -EBUSY; - goto err_busy; - } - - imx_drm_connector = kzalloc(sizeof(*imx_drm_connector), GFP_KERNEL); - if (!imx_drm_connector) { - ret = -ENOMEM; - goto err_alloc; - } - - imx_drm_connector->connector = connector; - imx_drm_connector->owner = owner; - - ret = imx_drm_connector_register(imx_drm_connector); - if (ret) - goto err_register; - - list_add_tail(&imx_drm_connector->list, &imxdrm->connector_list); - - *new_con = imx_drm_connector; - - mutex_unlock(&imxdrm->mutex); - - return 0; - -err_register: - kfree(imx_drm_connector); -err_alloc: -err_busy: - mutex_unlock(&imxdrm->mutex); - - return ret; -} -EXPORT_SYMBOL_GPL(imx_drm_add_connector); - -/* - * imx_drm_remove_connector - remove a connector - */ -int imx_drm_remove_connector(struct imx_drm_connector *imx_drm_connector) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - - mutex_lock(&imxdrm->mutex); - - imx_drm_connector_unregister(imx_drm_connector); - - list_del(&imx_drm_connector->list); - - mutex_unlock(&imxdrm->mutex); - - kfree(imx_drm_connector); - - return 0; -} -EXPORT_SYMBOL_GPL(imx_drm_remove_connector); - static const struct drm_ioctl_desc imx_drm_ioctls[] = { /* none so far */ }; @@ -1030,8 +662,6 @@ static int __init imx_drm_init(void) return -ENOMEM;
mutex_init(&imx_drm_device->mutex); - INIT_LIST_HEAD(&imx_drm_device->connector_list); - INIT_LIST_HEAD(&imx_drm_device->encoder_list);
ret = platform_driver_register(&imx_drm_pdrv); if (ret) diff --git a/drivers/staging/imx-drm/imx-drm.h b/drivers/staging/imx-drm/imx-drm.h index d13d518e8eb9..c5b97e9ce9a0 100644 --- a/drivers/staging/imx-drm/imx-drm.h +++ b/drivers/staging/imx-drm/imx-drm.h @@ -38,18 +38,6 @@ int imx_drm_crtc_vblank_get(struct imx_drm_crtc *imx_drm_crtc); void imx_drm_crtc_vblank_put(struct imx_drm_crtc *imx_drm_crtc); void imx_drm_handle_vblank(struct imx_drm_crtc *imx_drm_crtc);
-struct imx_drm_encoder; -int imx_drm_add_encoder(struct drm_encoder *encoder, - struct imx_drm_encoder **new_enc, - struct module *owner); -int imx_drm_remove_encoder(struct imx_drm_encoder *); - -struct imx_drm_connector; -int imx_drm_add_connector(struct drm_connector *connector, - struct imx_drm_connector **new_con, - struct module *owner); -int imx_drm_remove_connector(struct imx_drm_connector *); - void imx_drm_mode_config_init(struct drm_device *drm);
struct drm_gem_cma_object *imx_drm_fb_get_obj(struct drm_framebuffer *fb); @@ -62,8 +50,6 @@ int imx_drm_panel_format(struct drm_encoder *encoder, struct device_node;
int imx_drm_encoder_get_mux_id(struct drm_encoder *encoder); -int imx_drm_encoder_add_possible_crtcs(struct imx_drm_encoder *imx_drm_encoder, - struct device_node *np); int imx_drm_encoder_parse_of(struct drm_device *drm, struct drm_encoder *encoder, struct device_node *np);