92 int fb_get_color_depth(struct fb_var_screeninfo *var,  in fb_get_color_depth()  argument
101 		if (var->green.length == var->blue.length &&  in fb_get_color_depth()
102 		    var->green.length == var->red.length &&  in fb_get_color_depth()
103 		    var->green.offset == var->blue.offset &&  in fb_get_color_depth()
104 		    var->green.offset == var->red.offset)  in fb_get_color_depth()
105 			depth = var->green.length;  in fb_get_color_depth()
107 			depth = var->green.length + var->red.length +  in fb_get_color_depth()
108 				var->blue.length;  in fb_get_color_depth()
247 	redmask   = mask[info->var.red.length   < 8 ? info->var.red.length   : 8];  in fb_set_logo_truepalette()
248 	greenmask = mask[info->var.green.length < 8 ? info->var.green.length : 8];  in fb_set_logo_truepalette()
249 	bluemask  = mask[info->var.blue.length  < 8 ? info->var.blue.length  : 8];  in fb_set_logo_truepalette()
250 	redshift   = info->var.red.offset   - (8 - info->var.red.length);  in fb_set_logo_truepalette()
251 	greenshift = info->var.green.offset - (8 - info->var.green.length);  in fb_set_logo_truepalette()
252 	blueshift  = info->var.blue.offset  - (8 - info->var.blue.length);  in fb_set_logo_truepalette()
269 	redshift = info->var.red.offset;  in fb_set_logo_directpalette()
270 	greenshift = info->var.green.offset;  in fb_set_logo_directpalette()
271 	blueshift = info->var.blue.offset;  in fb_set_logo_directpalette()
286 	switch (fb_get_color_depth(&info->var, &info->fix)) {  in fb_set_logo()
300 		fg = ~((u8) (0xfff << info->var.green.length));  in fb_set_logo()
398 		image->dx = info->var.xres - image->width - image->dx;  in fb_rotate_logo()
399 		image->dy = info->var.yres - image->height - image->dy;  in fb_rotate_logo()
408 		image->dx = info->var.xres - image->width - tmp;  in fb_rotate_logo()
417 		image->dy = info->var.yres - image->height - tmp;  in fb_rotate_logo()
430 		     x < num && image->dx + image->width <= info->var.xres;  in fb_do_show_logo()
442 		     x < num && image->dy + image->height <= info->var.yres;  in fb_do_show_logo()
597 	int depth = fb_get_color_depth(&info->var, &info->fix);  in fb_prepare_logo()
607 		depth = info->var.blue.length;  in fb_prepare_logo()
608 		if (info->var.red.length < depth)  in fb_prepare_logo()
609 			depth = info->var.red.length;  in fb_prepare_logo()
610 		if (info->var.green.length < depth)  in fb_prepare_logo()
611 			depth = info->var.green.length;  in fb_prepare_logo()
627 		yres = info->var.yres;  in fb_prepare_logo()
629 		yres = info->var.xres;  in fb_prepare_logo()
884 fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var)  in fb_pan_display()  argument
887 	unsigned int yres = info->var.yres;  in fb_pan_display()
890 	if (var->yoffset > 0) {  in fb_pan_display()
891 		if (var->vmode & FB_VMODE_YWRAP) {  in fb_pan_display()
892 			if (!fix->ywrapstep || (var->yoffset % fix->ywrapstep))  in fb_pan_display()
896 		} else if (!fix->ypanstep || (var->yoffset % fix->ypanstep))  in fb_pan_display()
900 	if (var->xoffset > 0 && (!fix->xpanstep ||  in fb_pan_display()
901 				 (var->xoffset % fix->xpanstep)))  in fb_pan_display()
905 	    var->yoffset > info->var.yres_virtual - yres ||  in fb_pan_display()
906 	    var->xoffset > info->var.xres_virtual - info->var.xres)  in fb_pan_display()
909 	if ((err = info->fbops->fb_pan_display(var, info)))  in fb_pan_display()
911 	info->var.xoffset = var->xoffset;  in fb_pan_display()
912 	info->var.yoffset = var->yoffset;  in fb_pan_display()
913 	if (var->vmode & FB_VMODE_YWRAP)  in fb_pan_display()
914 		info->var.vmode |= FB_VMODE_YWRAP;  in fb_pan_display()
916 		info->var.vmode &= ~FB_VMODE_YWRAP;  in fb_pan_display()
921 static int fb_check_caps(struct fb_info *info, struct fb_var_screeninfo *var,  in fb_check_caps()  argument
934 	info->fbops->fb_get_caps(info, &fbcaps, var);  in fb_check_caps()
945 fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)  in fb_set_var()  argument
950 	if (var->activate & FB_ACTIVATE_INV_MODE) {  in fb_set_var()
953 		fb_var_to_videomode(&mode1, var);  in fb_set_var()
954 		fb_var_to_videomode(&mode2, &info->var);  in fb_set_var()
974 	if ((var->activate & FB_ACTIVATE_FORCE) ||  in fb_set_var()
975 	    memcmp(&info->var, var, sizeof(struct fb_var_screeninfo))) {  in fb_set_var()
976 		u32 activate = var->activate;  in fb_set_var()
982 		    var->grayscale > 1) {  in fb_set_var()
983 			if (var->red.offset     || var->green.offset    ||  in fb_set_var()
984 			    var->blue.offset    || var->transp.offset   ||  in fb_set_var()
985 			    var->red.length     || var->green.length    ||  in fb_set_var()
986 			    var->blue.length    || var->transp.length   ||  in fb_set_var()
987 			    var->red.msb_right  || var->green.msb_right ||  in fb_set_var()
988 			    var->blue.msb_right || var->transp.msb_right)  in fb_set_var()
993 			*var = info->var;  in fb_set_var()
997 		ret = info->fbops->fb_check_var(var, info);  in fb_set_var()
1002 		if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) {  in fb_set_var()
1007 				ret = fb_check_caps(info, var, activate);  in fb_set_var()
1013 			old_var = info->var;  in fb_set_var()
1014 			info->var = *var;  in fb_set_var()
1020 					info->var = old_var;  in fb_set_var()
1028 			fb_pan_display(info, &info->var);  in fb_set_var()
1030 			fb_var_to_videomode(&mode, &info->var);  in fb_set_var()
1091 	struct fb_var_screeninfo var;  in do_fb_ioctl()  local
1104 		var = info->var;  in do_fb_ioctl()
1107 		ret = copy_to_user(argp, &var, sizeof(var)) ? -EFAULT : 0;  in do_fb_ioctl()
1110 		if (copy_from_user(&var, argp, sizeof(var)))  in do_fb_ioctl()
1118 		ret = fb_set_var(info, &var);  in do_fb_ioctl()
1122 		if (!ret && copy_to_user(argp, &var, sizeof(var)))  in do_fb_ioctl()
1148 		if (copy_from_user(&var, argp, sizeof(var)))  in do_fb_ioctl()
1155 		ret = fb_pan_display(info, &var);  in do_fb_ioctl()
1158 		if (ret == 0 && copy_to_user(argp, &var, sizeof(var)))  in do_fb_ioctl()
1421 		if (info->var.accel_flags) {  in fb_mmap()
1673 	fb_var_to_videomode(&mode, &fb_info->var);  in do_register_framebuffer()
1882 	struct fb_var_screeninfo var = info->var;  in fb_new_modelist()  local
1891 		fb_videomode_to_var(&var, m);  in fb_new_modelist()
1892 		var.activate = FB_ACTIVATE_TEST;  in fb_new_modelist()
1893 		err = fb_set_var(info, &var);  in fb_new_modelist()
1894 		fb_var_to_videomode(&mode, &var);  in fb_new_modelist()