95 int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper)  in drm_fb_helper_single_add_all_connectors()  argument
97 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_single_add_all_connectors()
109 		fb_helper->connector_info[fb_helper->connector_count++] = fb_helper_connector;  in drm_fb_helper_single_add_all_connectors()
113 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_fb_helper_single_add_all_connectors()
114 		kfree(fb_helper->connector_info[i]);  in drm_fb_helper_single_add_all_connectors()
115 		fb_helper->connector_info[i] = NULL;  in drm_fb_helper_single_add_all_connectors()
117 	fb_helper->connector_count = 0;  in drm_fb_helper_single_add_all_connectors()
122 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
127 	WARN_ON(!mutex_is_locked(&fb_helper->dev->mode_config.mutex));  in drm_fb_helper_add_one_connector()
128 	if (fb_helper->connector_count + 1 > fb_helper->connector_info_alloc_count) {  in drm_fb_helper_add_one_connector()
129 …temp = krealloc(fb_helper->connector_info, sizeof(struct drm_fb_helper_connector *) * (fb_helper->…  in drm_fb_helper_add_one_connector()
133 		fb_helper->connector_info_alloc_count = fb_helper->connector_count + 1;  in drm_fb_helper_add_one_connector()
134 		fb_helper->connector_info = temp;  in drm_fb_helper_add_one_connector()
143 	fb_helper->connector_info[fb_helper->connector_count++] = fb_helper_connector;  in drm_fb_helper_add_one_connector()
173 int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,  in drm_fb_helper_remove_one_connector()  argument
179 	WARN_ON(!mutex_is_locked(&fb_helper->dev->mode_config.mutex));  in drm_fb_helper_remove_one_connector()
181 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_fb_helper_remove_one_connector()
182 		if (fb_helper->connector_info[i]->connector == connector)  in drm_fb_helper_remove_one_connector()
186 	if (i == fb_helper->connector_count)  in drm_fb_helper_remove_one_connector()
188 	fb_helper_connector = fb_helper->connector_info[i];  in drm_fb_helper_remove_one_connector()
190 	for (j = i + 1; j < fb_helper->connector_count; j++) {  in drm_fb_helper_remove_one_connector()
191 		fb_helper->connector_info[j - 1] = fb_helper->connector_info[j];  in drm_fb_helper_remove_one_connector()
193 	fb_helper->connector_count--;  in drm_fb_helper_remove_one_connector()
197 	for (i = 0; i < fb_helper->crtc_count; i++)  in drm_fb_helper_remove_one_connector()
198 		remove_from_modeset(&fb_helper->crtc_info[i].mode_set, connector);  in drm_fb_helper_remove_one_connector()
315 static bool restore_fbdev_mode(struct drm_fb_helper *fb_helper)  in restore_fbdev_mode()  argument
317 	struct drm_device *dev = fb_helper->dev;  in restore_fbdev_mode()
335 	for (i = 0; i < fb_helper->crtc_count; i++) {  in restore_fbdev_mode()
336 		struct drm_mode_set *mode_set = &fb_helper->crtc_info[i].mode_set;  in restore_fbdev_mode()
363 static bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper)  in drm_fb_helper_restore_fbdev_mode()  argument
365 	return restore_fbdev_mode(fb_helper);  in drm_fb_helper_restore_fbdev_mode()
376 bool drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper)  in drm_fb_helper_restore_fbdev_mode_unlocked()  argument
378 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_restore_fbdev_mode_unlocked()
383 	ret = restore_fbdev_mode(fb_helper);  in drm_fb_helper_restore_fbdev_mode_unlocked()
385 	do_delayed = fb_helper->delayed_hotplug;  in drm_fb_helper_restore_fbdev_mode_unlocked()
387 		fb_helper->delayed_hotplug = false;  in drm_fb_helper_restore_fbdev_mode_unlocked()
391 		drm_fb_helper_hotplug_event(fb_helper);  in drm_fb_helper_restore_fbdev_mode_unlocked()
450 static bool drm_fb_helper_is_bound(struct drm_fb_helper *fb_helper)  in drm_fb_helper_is_bound()  argument
452 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_is_bound()
464 		if (crtc->primary->fb == fb_helper->fb)  in drm_fb_helper_is_bound()
500 	struct drm_fb_helper *fb_helper = info->par;  in drm_fb_helper_dpms()  local
501 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_dpms()
518 	if (!drm_fb_helper_is_bound(fb_helper)) {  in drm_fb_helper_dpms()
523 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_fb_helper_dpms()
524 		crtc = fb_helper->crtc_info[i].mode_set.crtc;  in drm_fb_helper_dpms()
530 		for (j = 0; j < fb_helper->connector_count; j++) {  in drm_fb_helper_dpms()
531 			connector = fb_helper->connector_info[j]->connector;  in drm_fb_helper_dpms()
624 		       struct drm_fb_helper *fb_helper,  in drm_fb_helper_init()  argument
633 	fb_helper->crtc_info = kcalloc(crtc_count, sizeof(struct drm_fb_helper_crtc), GFP_KERNEL);  in drm_fb_helper_init()
634 	if (!fb_helper->crtc_info)  in drm_fb_helper_init()
637 	fb_helper->crtc_count = crtc_count;  in drm_fb_helper_init()
638 …fb_helper->connector_info = kcalloc(dev->mode_config.num_connector, sizeof(struct drm_fb_helper_co…  in drm_fb_helper_init()
639 	if (!fb_helper->connector_info) {  in drm_fb_helper_init()
640 		kfree(fb_helper->crtc_info);  in drm_fb_helper_init()
643 	fb_helper->connector_info_alloc_count = dev->mode_config.num_connector;  in drm_fb_helper_init()
644 	fb_helper->connector_count = 0;  in drm_fb_helper_init()
647 		fb_helper->crtc_info[i].mode_set.connectors =  in drm_fb_helper_init()
652 		if (!fb_helper->crtc_info[i].mode_set.connectors)  in drm_fb_helper_init()
654 		fb_helper->crtc_info[i].mode_set.num_connectors = 0;  in drm_fb_helper_init()
659 		fb_helper->crtc_info[i].mode_set.crtc = crtc;  in drm_fb_helper_init()
665 	drm_fb_helper_crtc_free(fb_helper);  in drm_fb_helper_init()
670 void drm_fb_helper_fini(struct drm_fb_helper *fb_helper)  in drm_fb_helper_fini()  argument
672 	if (!list_empty(&fb_helper->kernel_fb_list)) {  in drm_fb_helper_fini()
673 		list_del(&fb_helper->kernel_fb_list);  in drm_fb_helper_fini()
682 	drm_fb_helper_crtc_free(fb_helper);  in drm_fb_helper_fini()
690 	struct drm_fb_helper *fb_helper = info->par;  in setcolreg()  local
691 	struct drm_framebuffer *fb = fb_helper->fb;  in setcolreg()
720 	if (WARN_ON(!fb_helper->funcs->gamma_set ||  in setcolreg()
721 		    !fb_helper->funcs->gamma_get))  in setcolreg()
739 					fb_helper->funcs->gamma_set(crtc, red,  in setcolreg()
743 			fb_helper->funcs->gamma_get(crtc, &r,  in setcolreg()
748 				fb_helper->funcs->gamma_set(crtc, r,  in setcolreg()
755 		fb_helper->funcs->gamma_set(crtc, red, green, blue, pindex);  in setcolreg()
766 	struct drm_fb_helper *fb_helper = info->par;  in drm_fb_helper_setcmap()  local
767 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_setcmap()
777 	if (!drm_fb_helper_is_bound(fb_helper)) {  in drm_fb_helper_setcmap()
782 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_fb_helper_setcmap()
783 		crtc = fb_helper->crtc_info[i].mode_set.crtc;  in drm_fb_helper_setcmap()
823 	struct drm_fb_helper *fb_helper = info->par;  in drm_fb_helper_check_var()  local
824 	struct drm_framebuffer *fb = fb_helper->fb;  in drm_fb_helper_check_var()
922 	struct drm_fb_helper *fb_helper = info->par;  in drm_fb_helper_set_par()  local
930 	drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper);  in drm_fb_helper_set_par()
944 	struct drm_fb_helper *fb_helper = info->par;  in drm_fb_helper_pan_display()  local
945 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_pan_display()
953 	if (!drm_fb_helper_is_bound(fb_helper)) {  in drm_fb_helper_pan_display()
958 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_fb_helper_pan_display()
959 		modeset = &fb_helper->crtc_info[i].mode_set;  in drm_fb_helper_pan_display()
982 static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,  in drm_fb_helper_single_fb_probe()  argument
1004 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_fb_helper_single_fb_probe()
1005 		struct drm_fb_helper_connector *fb_helper_conn = fb_helper->connector_info[i];  in drm_fb_helper_single_fb_probe()
1035 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_fb_helper_single_fb_probe()
1045 		desired_mode = fb_helper->crtc_info[i].desired_mode;  in drm_fb_helper_single_fb_probe()
1046 		mode_set = &fb_helper->crtc_info[i].mode_set;  in drm_fb_helper_single_fb_probe()
1053 		x = fb_helper->crtc_info[i].x;  in drm_fb_helper_single_fb_probe()
1054 		y = fb_helper->crtc_info[i].y;  in drm_fb_helper_single_fb_probe()
1057 			gamma_size = fb_helper->crtc_info[i].mode_set.crtc->gamma_size;  in drm_fb_helper_single_fb_probe()
1087 	ret = (*fb_helper->funcs->fb_probe)(fb_helper, &sizes);  in drm_fb_helper_single_fb_probe()
1091 	info = fb_helper->fbdev;  in drm_fb_helper_single_fb_probe()
1100 	for (i = 0; i < fb_helper->crtc_count; i++)  in drm_fb_helper_single_fb_probe()
1101 		if (fb_helper->crtc_info[i].mode_set.num_connectors)  in drm_fb_helper_single_fb_probe()
1102 			fb_helper->crtc_info[i].mode_set.fb = fb_helper->fb;  in drm_fb_helper_single_fb_probe()
1109 	dev_info(fb_helper->dev->dev, "fb%d: %s frame buffer device\n",  in drm_fb_helper_single_fb_probe()
1115 		dev_info(fb_helper->dev->dev, "registered panic notifier\n");  in drm_fb_helper_single_fb_probe()
1121 	list_add(&fb_helper->kernel_fb_list, &kernel_fb_helper_list);  in drm_fb_helper_single_fb_probe()
1172 void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,  in drm_fb_helper_fill_var()  argument
1175 	struct drm_framebuffer *fb = fb_helper->fb;  in drm_fb_helper_fill_var()
1176 	info->pseudo_palette = fb_helper->pseudo_palette;  in drm_fb_helper_fill_var()
1246 static int drm_fb_helper_probe_connector_modes(struct drm_fb_helper *fb_helper,  in drm_fb_helper_probe_connector_modes()  argument
1254 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_fb_helper_probe_connector_modes()
1255 		connector = fb_helper->connector_info[i]->connector;  in drm_fb_helper_probe_connector_modes()
1347 static void drm_enable_connectors(struct drm_fb_helper *fb_helper,  in drm_enable_connectors()  argument
1354 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_enable_connectors()
1355 		connector = fb_helper->connector_info[i]->connector;  in drm_enable_connectors()
1365 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_enable_connectors()
1366 		connector = fb_helper->connector_info[i]->connector;  in drm_enable_connectors()
1371 static bool drm_target_cloned(struct drm_fb_helper *fb_helper,  in drm_target_cloned()  argument
1382 	if (fb_helper->crtc_count > 1)  in drm_target_cloned()
1386 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_target_cloned()
1397 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_target_cloned()
1400 		fb_helper_conn = fb_helper->connector_info[i];  in drm_target_cloned()
1421 	dmt_mode = drm_mode_find_dmt(fb_helper->dev, 1024, 768, 60, false);  in drm_target_cloned()
1423 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_target_cloned()
1428 		fb_helper_conn = fb_helper->connector_info[i];  in drm_target_cloned()
1445 static int drm_get_tile_offsets(struct drm_fb_helper *fb_helper,  in drm_get_tile_offsets()  argument
1455 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_get_tile_offsets()
1456 		fb_helper_conn = fb_helper->connector_info[i];  in drm_get_tile_offsets()
1477 static bool drm_target_preferred(struct drm_fb_helper *fb_helper,  in drm_target_preferred()  argument
1486 	mask = (1 << fb_helper->connector_count) - 1;  in drm_target_preferred()
1488 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_target_preferred()
1489 		fb_helper_conn = fb_helper->connector_info[i];  in drm_target_preferred()
1516 			drm_get_tile_offsets(fb_helper, modes, offsets,  in drm_target_preferred()
1546 static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,  in drm_pick_crtcs()  argument
1559 	if (n == fb_helper->connector_count)  in drm_pick_crtcs()
1562 	fb_helper_conn = fb_helper->connector_info[n];  in drm_pick_crtcs()
1566 	best_score = drm_pick_crtcs(fb_helper, best_crtcs, modes, n+1, width, height);  in drm_pick_crtcs()
1570 	crtcs = kzalloc(fb_helper->connector_count *  in drm_pick_crtcs()
1590 	for (c = 0; c < fb_helper->crtc_count; c++) {  in drm_pick_crtcs()
1591 		crtc = &fb_helper->crtc_info[c];  in drm_pick_crtcs()
1602 			if (fb_helper->crtc_count > 1)  in drm_pick_crtcs()
1611 		score = my_score + drm_pick_crtcs(fb_helper, crtcs, modes, n + 1,  in drm_pick_crtcs()
1616 			       fb_helper->connector_count *  in drm_pick_crtcs()
1625 static void drm_setup_crtcs(struct drm_fb_helper *fb_helper)  in drm_setup_crtcs()  argument
1627 	struct drm_device *dev = fb_helper->dev;  in drm_setup_crtcs()
1655 	drm_enable_connectors(fb_helper, enabled);  in drm_setup_crtcs()
1657 	if (!(fb_helper->funcs->initial_config &&  in drm_setup_crtcs()
1658 	      fb_helper->funcs->initial_config(fb_helper, crtcs, modes,  in drm_setup_crtcs()
1665 		if (!drm_target_cloned(fb_helper, modes, offsets,  in drm_setup_crtcs()
1667 		    !drm_target_preferred(fb_helper, modes, offsets,  in drm_setup_crtcs()
1674 		drm_pick_crtcs(fb_helper, crtcs, modes, 0, width, height);  in drm_setup_crtcs()
1679 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_setup_crtcs()
1680 		modeset = &fb_helper->crtc_info[i].mode_set;  in drm_setup_crtcs()
1685 	for (i = 0; i < fb_helper->connector_count; i++) {  in drm_setup_crtcs()
1701 			modeset->connectors[modeset->num_connectors++] = fb_helper->connector_info[i]->connector;  in drm_setup_crtcs()
1702 			modeset->fb = fb_helper->fb;  in drm_setup_crtcs()
1709 	for (i = 0; i < fb_helper->crtc_count; i++) {  in drm_setup_crtcs()
1710 		modeset = &fb_helper->crtc_info[i].mode_set;  in drm_setup_crtcs()
1746 int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel)  in drm_fb_helper_initial_config()  argument
1748 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_initial_config()
1752 	count = drm_fb_helper_probe_connector_modes(fb_helper,  in drm_fb_helper_initial_config()
1760 		dev_info(fb_helper->dev->dev, "No connectors reported connected with modes\n");  in drm_fb_helper_initial_config()
1762 	drm_setup_crtcs(fb_helper);  in drm_fb_helper_initial_config()
1764 	return drm_fb_helper_single_fb_probe(fb_helper, bpp_sel);  in drm_fb_helper_initial_config()
1789 int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper)  in drm_fb_helper_hotplug_event()  argument
1791 	struct drm_device *dev = fb_helper->dev;  in drm_fb_helper_hotplug_event()
1794 	mutex_lock(&fb_helper->dev->mode_config.mutex);  in drm_fb_helper_hotplug_event()
1795 	if (!fb_helper->fb || !drm_fb_helper_is_bound(fb_helper)) {  in drm_fb_helper_hotplug_event()
1796 		fb_helper->delayed_hotplug = true;  in drm_fb_helper_hotplug_event()
1797 		mutex_unlock(&fb_helper->dev->mode_config.mutex);  in drm_fb_helper_hotplug_event()
1802 	max_width = fb_helper->fb->width;  in drm_fb_helper_hotplug_event()
1803 	max_height = fb_helper->fb->height;  in drm_fb_helper_hotplug_event()
1805 	drm_fb_helper_probe_connector_modes(fb_helper, max_width, max_height);  in drm_fb_helper_hotplug_event()
1806 	mutex_unlock(&fb_helper->dev->mode_config.mutex);  in drm_fb_helper_hotplug_event()
1809 	drm_setup_crtcs(fb_helper);  in drm_fb_helper_hotplug_event()
1811 	drm_fb_helper_set_par(fb_helper->fbdev);  in drm_fb_helper_hotplug_event()