103 int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper)  in drm_fb_helper_single_add_all_connectors()  argument
105 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_single_add_all_connectors()
121 		fb_helper->connector_info[fb_helper->connector_count++] = fb_helper_connector;  in drm_fb_helper_single_add_all_connectors()
126 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_fb_helper_single_add_all_connectors()
127 		kfree(fb_helper->connector_info[i]);  in drm_fb_helper_single_add_all_connectors()
128 		fb_helper->connector_info[i] = NULL;  in drm_fb_helper_single_add_all_connectors()
130 	fb_helper->connector_count = 0;  in drm_fb_helper_single_add_all_connectors()
137 int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_connector *connecto…  in drm_fb_helper_add_one_connector()  argument
145 	WARN_ON(!mutex_is_locked(&fb_helper->dev->mode_config.mutex));  in drm_fb_helper_add_one_connector()
146 	if (fb_helper->connector_count + 1 > fb_helper->connector_info_alloc_count) {  in drm_fb_helper_add_one_connector()
147 …temp = krealloc(fb_helper->connector_info, sizeof(struct drm_fb_helper_connector *) * (fb_helper->…  in drm_fb_helper_add_one_connector()
151 		fb_helper->connector_info_alloc_count = fb_helper->connector_count + 1;  in drm_fb_helper_add_one_connector()
152 		fb_helper->connector_info = temp;  in drm_fb_helper_add_one_connector()
161 	fb_helper->connector_info[fb_helper->connector_count++] = fb_helper_connector;  in drm_fb_helper_add_one_connector()
194 int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,  in drm_fb_helper_remove_one_connector()  argument
203 	WARN_ON(!mutex_is_locked(&fb_helper->dev->mode_config.mutex));  in drm_fb_helper_remove_one_connector()
205 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_fb_helper_remove_one_connector()
206 		if (fb_helper->connector_info[i]->connector == connector)  in drm_fb_helper_remove_one_connector()
210 	if (i == fb_helper->connector_count)  in drm_fb_helper_remove_one_connector()
212 	fb_helper_connector = fb_helper->connector_info[i];  in drm_fb_helper_remove_one_connector()
214 	for (j = i + 1; j < fb_helper->connector_count; j++) {  in drm_fb_helper_remove_one_connector()
215 		fb_helper->connector_info[j - 1] = fb_helper->connector_info[j];  in drm_fb_helper_remove_one_connector()
217 	fb_helper->connector_count--;  in drm_fb_helper_remove_one_connector()
221 	for (i = 0; i < fb_helper->crtc_count; i++)  in drm_fb_helper_remove_one_connector()
222 		remove_from_modeset(&fb_helper->crtc_info[i].mode_set, connector);  in drm_fb_helper_remove_one_connector()
339 static int restore_fbdev_mode_atomic(struct drm_fb_helper *fb_helper)  in restore_fbdev_mode_atomic()  argument
341 	struct drm_device *dev = fb_helper->dev;  in restore_fbdev_mode_atomic()
377 	for(i = 0; i < fb_helper->crtc_count; i++) {  in restore_fbdev_mode_atomic()
378 		struct drm_mode_set *mode_set = &fb_helper->crtc_info[i].mode_set;  in restore_fbdev_mode_atomic()
405 static int restore_fbdev_mode(struct drm_fb_helper *fb_helper)  in restore_fbdev_mode()  argument
407 	struct drm_device *dev = fb_helper->dev;  in restore_fbdev_mode()
413 	if (fb_helper->atomic)  in restore_fbdev_mode()
414 		return restore_fbdev_mode_atomic(fb_helper);  in restore_fbdev_mode()
427 	for (i = 0; i < fb_helper->crtc_count; i++) {  in restore_fbdev_mode()
428 		struct drm_mode_set *mode_set = &fb_helper->crtc_info[i].mode_set;  in restore_fbdev_mode()
461 int drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper)  in drm_fb_helper_restore_fbdev_mode_unlocked()  argument
463 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_restore_fbdev_mode_unlocked()
471 	ret = restore_fbdev_mode(fb_helper);  in drm_fb_helper_restore_fbdev_mode_unlocked()
473 	do_delayed = fb_helper->delayed_hotplug;  in drm_fb_helper_restore_fbdev_mode_unlocked()
475 		fb_helper->delayed_hotplug = false;  in drm_fb_helper_restore_fbdev_mode_unlocked()
479 		drm_fb_helper_hotplug_event(fb_helper);  in drm_fb_helper_restore_fbdev_mode_unlocked()
484 static bool drm_fb_helper_is_bound(struct drm_fb_helper *fb_helper)  in drm_fb_helper_is_bound()  argument
486 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_is_bound()
498 		if (crtc->primary->fb == fb_helper->fb)  in drm_fb_helper_is_bound()
561 	struct drm_fb_helper *fb_helper = info->par;  in drm_fb_helper_dpms()  local
562 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_dpms()
571 	if (!drm_fb_helper_is_bound(fb_helper)) {  in drm_fb_helper_dpms()
576 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_fb_helper_dpms()
577 		crtc = fb_helper->crtc_info[i].mode_set.crtc;  in drm_fb_helper_dpms()
583 		for (j = 0; j < fb_helper->connector_count; j++) {  in drm_fb_helper_dpms()
584 			connector = fb_helper->connector_info[j]->connector;  in drm_fb_helper_dpms()
680 		       struct drm_fb_helper *fb_helper,  in drm_fb_helper_init()  argument
692 	fb_helper->crtc_info = kcalloc(crtc_count, sizeof(struct drm_fb_helper_crtc), GFP_KERNEL);  in drm_fb_helper_init()
693 	if (!fb_helper->crtc_info)  in drm_fb_helper_init()
696 	fb_helper->crtc_count = crtc_count;  in drm_fb_helper_init()
697 …fb_helper->connector_info = kcalloc(dev->mode_config.num_connector, sizeof(struct drm_fb_helper_co…  in drm_fb_helper_init()
698 	if (!fb_helper->connector_info) {  in drm_fb_helper_init()
699 		kfree(fb_helper->crtc_info);  in drm_fb_helper_init()
702 	fb_helper->connector_info_alloc_count = dev->mode_config.num_connector;  in drm_fb_helper_init()
703 	fb_helper->connector_count = 0;  in drm_fb_helper_init()
706 		fb_helper->crtc_info[i].mode_set.connectors =  in drm_fb_helper_init()
711 		if (!fb_helper->crtc_info[i].mode_set.connectors)  in drm_fb_helper_init()
713 		fb_helper->crtc_info[i].mode_set.num_connectors = 0;  in drm_fb_helper_init()
718 		fb_helper->crtc_info[i].mode_set.crtc = crtc;  in drm_fb_helper_init()
722 	fb_helper->atomic = !!drm_core_check_feature(dev, DRIVER_ATOMIC);  in drm_fb_helper_init()
726 	drm_fb_helper_crtc_free(fb_helper);  in drm_fb_helper_init()
742 struct fb_info *drm_fb_helper_alloc_fbi(struct drm_fb_helper *fb_helper)  in drm_fb_helper_alloc_fbi()  argument
744 	struct device *dev = fb_helper->dev->dev;  in drm_fb_helper_alloc_fbi()
762 	fb_helper->fbdev = info;  in drm_fb_helper_alloc_fbi()
781 void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper)  in drm_fb_helper_unregister_fbi()  argument
783 	if (fb_helper && fb_helper->fbdev)  in drm_fb_helper_unregister_fbi()
784 		unregister_framebuffer(fb_helper->fbdev);  in drm_fb_helper_unregister_fbi()
795 void drm_fb_helper_release_fbi(struct drm_fb_helper *fb_helper)  in drm_fb_helper_release_fbi()  argument
797 	if (fb_helper) {  in drm_fb_helper_release_fbi()
798 		struct fb_info *info = fb_helper->fbdev;  in drm_fb_helper_release_fbi()
806 		fb_helper->fbdev = NULL;  in drm_fb_helper_release_fbi()
811 void drm_fb_helper_fini(struct drm_fb_helper *fb_helper)  in drm_fb_helper_fini()  argument
816 	if (!list_empty(&fb_helper->kernel_fb_list)) {  in drm_fb_helper_fini()
817 		list_del(&fb_helper->kernel_fb_list);  in drm_fb_helper_fini()
823 	drm_fb_helper_crtc_free(fb_helper);  in drm_fb_helper_fini()
834 void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper)  in drm_fb_helper_unlink_fbi()  argument
836 	if (fb_helper && fb_helper->fbdev)  in drm_fb_helper_unlink_fbi()
837 		unlink_framebuffer(fb_helper->fbdev);  in drm_fb_helper_unlink_fbi()
964 void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper, int state)  in drm_fb_helper_set_suspend()  argument
966 	if (fb_helper && fb_helper->fbdev)  in drm_fb_helper_set_suspend()
967 		fb_set_suspend(fb_helper->fbdev, state);  in drm_fb_helper_set_suspend()
974 	struct drm_fb_helper *fb_helper = info->par;  in setcolreg()  local
975 	struct drm_framebuffer *fb = fb_helper->fb;  in setcolreg()
1004 	if (WARN_ON(!fb_helper->funcs->gamma_set ||  in setcolreg()
1005 		    !fb_helper->funcs->gamma_get))  in setcolreg()
1023 					fb_helper->funcs->gamma_set(crtc, red,  in setcolreg()
1027 			fb_helper->funcs->gamma_get(crtc, &r,  in setcolreg()
1032 				fb_helper->funcs->gamma_set(crtc, r,  in setcolreg()
1039 		fb_helper->funcs->gamma_set(crtc, red, green, blue, pindex);  in setcolreg()
1050 	struct drm_fb_helper *fb_helper = info->par;  in drm_fb_helper_setcmap()  local
1051 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_setcmap()
1062 	if (!drm_fb_helper_is_bound(fb_helper)) {  in drm_fb_helper_setcmap()
1067 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_fb_helper_setcmap()
1068 		crtc = fb_helper->crtc_info[i].mode_set.crtc;  in drm_fb_helper_setcmap()
1108 	struct drm_fb_helper *fb_helper = info->par;  in drm_fb_helper_check_var()  local
1109 	struct drm_framebuffer *fb = fb_helper->fb;  in drm_fb_helper_check_var()
1207 	struct drm_fb_helper *fb_helper = info->par;  in drm_fb_helper_set_par()  local
1218 	drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper);  in drm_fb_helper_set_par()
1227 	struct drm_fb_helper *fb_helper = info->par;  in pan_display_atomic()  local
1228 	struct drm_device *dev = fb_helper->dev;  in pan_display_atomic()
1241 	for(i = 0; i < fb_helper->crtc_count; i++) {  in pan_display_atomic()
1244 		mode_set = &fb_helper->crtc_info[i].mode_set;  in pan_display_atomic()
1292 	struct drm_fb_helper *fb_helper = info->par;  in drm_fb_helper_pan_display()  local
1293 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_pan_display()
1302 	if (!drm_fb_helper_is_bound(fb_helper)) {  in drm_fb_helper_pan_display()
1307 	if (fb_helper->atomic) {  in drm_fb_helper_pan_display()
1312 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_fb_helper_pan_display()
1313 		modeset = &fb_helper->crtc_info[i].mode_set;  in drm_fb_helper_pan_display()
1337 static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,  in drm_fb_helper_single_fb_probe()  argument
1359 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_fb_helper_single_fb_probe()
1360 		struct drm_fb_helper_connector *fb_helper_conn = fb_helper->connector_info[i];  in drm_fb_helper_single_fb_probe()
1390 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_fb_helper_single_fb_probe()
1400 		desired_mode = fb_helper->crtc_info[i].desired_mode;  in drm_fb_helper_single_fb_probe()
1401 		mode_set = &fb_helper->crtc_info[i].mode_set;  in drm_fb_helper_single_fb_probe()
1408 		x = fb_helper->crtc_info[i].x;  in drm_fb_helper_single_fb_probe()
1409 		y = fb_helper->crtc_info[i].y;  in drm_fb_helper_single_fb_probe()
1412 			gamma_size = fb_helper->crtc_info[i].mode_set.crtc->gamma_size;  in drm_fb_helper_single_fb_probe()
1442 	ret = (*fb_helper->funcs->fb_probe)(fb_helper, &sizes);  in drm_fb_helper_single_fb_probe()
1446 	info = fb_helper->fbdev;  in drm_fb_helper_single_fb_probe()
1455 	for (i = 0; i < fb_helper->crtc_count; i++)  in drm_fb_helper_single_fb_probe()
1456 		if (fb_helper->crtc_info[i].mode_set.num_connectors)  in drm_fb_helper_single_fb_probe()
1457 			fb_helper->crtc_info[i].mode_set.fb = fb_helper->fb;  in drm_fb_helper_single_fb_probe()
1464 	dev_info(fb_helper->dev->dev, "fb%d: %s frame buffer device\n",  in drm_fb_helper_single_fb_probe()
1471 	list_add(&fb_helper->kernel_fb_list, &kernel_fb_helper_list);  in drm_fb_helper_single_fb_probe()
1522 void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,  in drm_fb_helper_fill_var()  argument
1525 	struct drm_framebuffer *fb = fb_helper->fb;  in drm_fb_helper_fill_var()
1526 	info->pseudo_palette = fb_helper->pseudo_palette;  in drm_fb_helper_fill_var()
1596 static int drm_fb_helper_probe_connector_modes(struct drm_fb_helper *fb_helper,  in drm_fb_helper_probe_connector_modes()  argument
1604 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_fb_helper_probe_connector_modes()
1605 		connector = fb_helper->connector_info[i]->connector;  in drm_fb_helper_probe_connector_modes()
1697 static void drm_enable_connectors(struct drm_fb_helper *fb_helper,  in drm_enable_connectors()  argument
1704 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_enable_connectors()
1705 		connector = fb_helper->connector_info[i]->connector;  in drm_enable_connectors()
1715 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_enable_connectors()
1716 		connector = fb_helper->connector_info[i]->connector;  in drm_enable_connectors()
1721 static bool drm_target_cloned(struct drm_fb_helper *fb_helper,  in drm_target_cloned()  argument
1732 	if (fb_helper->crtc_count > 1)  in drm_target_cloned()
1736 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_target_cloned()
1747 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_target_cloned()
1750 		fb_helper_conn = fb_helper->connector_info[i];  in drm_target_cloned()
1771 	dmt_mode = drm_mode_find_dmt(fb_helper->dev, 1024, 768, 60, false);  in drm_target_cloned()
1773 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_target_cloned()
1778 		fb_helper_conn = fb_helper->connector_info[i];  in drm_target_cloned()
1795 static int drm_get_tile_offsets(struct drm_fb_helper *fb_helper,  in drm_get_tile_offsets()  argument
1805 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_get_tile_offsets()
1806 		fb_helper_conn = fb_helper->connector_info[i];  in drm_get_tile_offsets()
1827 static bool drm_target_preferred(struct drm_fb_helper *fb_helper,  in drm_target_preferred()  argument
1836 	mask = (1 << fb_helper->connector_count) - 1;  in drm_target_preferred()
1838 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_target_preferred()
1839 		fb_helper_conn = fb_helper->connector_info[i];  in drm_target_preferred()
1866 			drm_get_tile_offsets(fb_helper, modes, offsets,  in drm_target_preferred()
1896 static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,  in drm_pick_crtcs()  argument
1909 	if (n == fb_helper->connector_count)  in drm_pick_crtcs()
1912 	fb_helper_conn = fb_helper->connector_info[n];  in drm_pick_crtcs()
1916 	best_score = drm_pick_crtcs(fb_helper, best_crtcs, modes, n+1, width, height);  in drm_pick_crtcs()
1920 	crtcs = kzalloc(fb_helper->connector_count *  in drm_pick_crtcs()
1940 	for (c = 0; c < fb_helper->crtc_count; c++) {  in drm_pick_crtcs()
1941 		crtc = &fb_helper->crtc_info[c];  in drm_pick_crtcs()
1952 			if (fb_helper->crtc_count > 1)  in drm_pick_crtcs()
1961 		score = my_score + drm_pick_crtcs(fb_helper, crtcs, modes, n + 1,  in drm_pick_crtcs()
1966 			       fb_helper->connector_count *  in drm_pick_crtcs()
1975 static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)  in drm_setup_crtcs()  argument
1977 	struct drm_device *dev = fb_helper->dev;  in drm_setup_crtcs()
2005 	drm_enable_connectors(fb_helper, enabled);  in drm_setup_crtcs()
2007 	if (!(fb_helper->funcs->initial_config &&  in drm_setup_crtcs()
2008 	      fb_helper->funcs->initial_config(fb_helper, crtcs, modes,  in drm_setup_crtcs()
2015 		if (!drm_target_cloned(fb_helper, modes, offsets,  in drm_setup_crtcs()
2017 		    !drm_target_preferred(fb_helper, modes, offsets,  in drm_setup_crtcs()
2024 		drm_pick_crtcs(fb_helper, crtcs, modes, 0, width, height);  in drm_setup_crtcs()
2029 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_setup_crtcs()
2030 		modeset = &fb_helper->crtc_info[i].mode_set;  in drm_setup_crtcs()
2035 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_setup_crtcs()
2051 			modeset->connectors[modeset->num_connectors++] = fb_helper->connector_info[i]->connector;  in drm_setup_crtcs()
2052 			modeset->fb = fb_helper->fb;  in drm_setup_crtcs()
2059 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_setup_crtcs()
2060 		modeset = &fb_helper->crtc_info[i].mode_set;  in drm_setup_crtcs()
2096 int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel)  in drm_fb_helper_initial_config()  argument
2098 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_initial_config()
2105 	count = drm_fb_helper_probe_connector_modes(fb_helper,  in drm_fb_helper_initial_config()
2113 		dev_info(fb_helper->dev->dev, "No connectors reported connected with modes\n");  in drm_fb_helper_initial_config()
2115 	drm_setup_crtcs(fb_helper);  in drm_fb_helper_initial_config()
2117 	return drm_fb_helper_single_fb_probe(fb_helper, bpp_sel);  in drm_fb_helper_initial_config()
2142 int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper)  in drm_fb_helper_hotplug_event()  argument
2144 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_hotplug_event()
2150 	mutex_lock(&fb_helper->dev->mode_config.mutex);  in drm_fb_helper_hotplug_event()
2151 	if (!fb_helper->fb || !drm_fb_helper_is_bound(fb_helper)) {  in drm_fb_helper_hotplug_event()
2152 		fb_helper->delayed_hotplug = true;  in drm_fb_helper_hotplug_event()
2153 		mutex_unlock(&fb_helper->dev->mode_config.mutex);  in drm_fb_helper_hotplug_event()
2158 	max_width = fb_helper->fb->width;  in drm_fb_helper_hotplug_event()
2159 	max_height = fb_helper->fb->height;  in drm_fb_helper_hotplug_event()
2161 	drm_fb_helper_probe_connector_modes(fb_helper, max_width, max_height);  in drm_fb_helper_hotplug_event()
2162 	mutex_unlock(&fb_helper->dev->mode_config.mutex);  in drm_fb_helper_hotplug_event()
2165 	drm_setup_crtcs(fb_helper);  in drm_fb_helper_hotplug_event()
2167 	drm_fb_helper_set_par(fb_helper->fbdev);  in drm_fb_helper_hotplug_event()