985 		red >>= (16 - info->var.red.length);  in setcolreg()
986 		green >>= (16 - info->var.green.length);  in setcolreg()
987 		blue >>= (16 - info->var.blue.length);  in setcolreg()
988 		value = (red << info->var.red.offset) |  in setcolreg()
989 			(green << info->var.green.offset) |  in setcolreg()
990 			(blue << info->var.blue.offset);  in setcolreg()
991 		if (info->var.transp.length > 0) {  in setcolreg()
992 			u32 mask = (1 << info->var.transp.length) - 1;  in setcolreg()
993 			mask <<= info->var.transp.offset;  in setcolreg()
1105 int drm_fb_helper_check_var(struct fb_var_screeninfo *var,  in drm_fb_helper_check_var()  argument
1112 	if (var->pixclock != 0 || in_dbg_master())  in drm_fb_helper_check_var()
1116 	if (var->bits_per_pixel > fb->bits_per_pixel ||  in drm_fb_helper_check_var()
1117 	    var->xres > fb->width || var->yres > fb->height ||  in drm_fb_helper_check_var()
1118 	    var->xres_virtual > fb->width || var->yres_virtual > fb->height) {  in drm_fb_helper_check_var()
1121 			  var->xres, var->yres, var->bits_per_pixel,  in drm_fb_helper_check_var()
1122 			  var->xres_virtual, var->yres_virtual,  in drm_fb_helper_check_var()
1127 	switch (var->bits_per_pixel) {  in drm_fb_helper_check_var()
1129 		depth = (var->green.length == 6) ? 16 : 15;  in drm_fb_helper_check_var()
1132 		depth = (var->transp.length > 0) ? 32 : 24;  in drm_fb_helper_check_var()
1135 		depth = var->bits_per_pixel;  in drm_fb_helper_check_var()
1141 		var->red.offset = 0;  in drm_fb_helper_check_var()
1142 		var->green.offset = 0;  in drm_fb_helper_check_var()
1143 		var->blue.offset = 0;  in drm_fb_helper_check_var()
1144 		var->red.length = 8;  in drm_fb_helper_check_var()
1145 		var->green.length = 8;  in drm_fb_helper_check_var()
1146 		var->blue.length = 8;  in drm_fb_helper_check_var()
1147 		var->transp.length = 0;  in drm_fb_helper_check_var()
1148 		var->transp.offset = 0;  in drm_fb_helper_check_var()
1151 		var->red.offset = 10;  in drm_fb_helper_check_var()
1152 		var->green.offset = 5;  in drm_fb_helper_check_var()
1153 		var->blue.offset = 0;  in drm_fb_helper_check_var()
1154 		var->red.length = 5;  in drm_fb_helper_check_var()
1155 		var->green.length = 5;  in drm_fb_helper_check_var()
1156 		var->blue.length = 5;  in drm_fb_helper_check_var()
1157 		var->transp.length = 1;  in drm_fb_helper_check_var()
1158 		var->transp.offset = 15;  in drm_fb_helper_check_var()
1161 		var->red.offset = 11;  in drm_fb_helper_check_var()
1162 		var->green.offset = 5;  in drm_fb_helper_check_var()
1163 		var->blue.offset = 0;  in drm_fb_helper_check_var()
1164 		var->red.length = 5;  in drm_fb_helper_check_var()
1165 		var->green.length = 6;  in drm_fb_helper_check_var()
1166 		var->blue.length = 5;  in drm_fb_helper_check_var()
1167 		var->transp.length = 0;  in drm_fb_helper_check_var()
1168 		var->transp.offset = 0;  in drm_fb_helper_check_var()
1171 		var->red.offset = 16;  in drm_fb_helper_check_var()
1172 		var->green.offset = 8;  in drm_fb_helper_check_var()
1173 		var->blue.offset = 0;  in drm_fb_helper_check_var()
1174 		var->red.length = 8;  in drm_fb_helper_check_var()
1175 		var->green.length = 8;  in drm_fb_helper_check_var()
1176 		var->blue.length = 8;  in drm_fb_helper_check_var()
1177 		var->transp.length = 0;  in drm_fb_helper_check_var()
1178 		var->transp.offset = 0;  in drm_fb_helper_check_var()
1181 		var->red.offset = 16;  in drm_fb_helper_check_var()
1182 		var->green.offset = 8;  in drm_fb_helper_check_var()
1183 		var->blue.offset = 0;  in drm_fb_helper_check_var()
1184 		var->red.length = 8;  in drm_fb_helper_check_var()
1185 		var->green.length = 8;  in drm_fb_helper_check_var()
1186 		var->blue.length = 8;  in drm_fb_helper_check_var()
1187 		var->transp.length = 8;  in drm_fb_helper_check_var()
1188 		var->transp.offset = 24;  in drm_fb_helper_check_var()
1208 	struct fb_var_screeninfo *var = &info->var;  in drm_fb_helper_set_par()  local
1213 	if (var->pixclock != 0) {  in drm_fb_helper_set_par()
1224 static int pan_display_atomic(struct fb_var_screeninfo *var,  in pan_display_atomic()  argument
1246 		mode_set->x = var->xoffset;  in pan_display_atomic()
1247 		mode_set->y = var->yoffset;  in pan_display_atomic()
1262 	info->var.xoffset = var->xoffset;  in pan_display_atomic()
1263 	info->var.yoffset = var->yoffset;  in pan_display_atomic()
1289 int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,  in drm_fb_helper_pan_display()  argument
1308 		ret = pan_display_atomic(var, info);  in drm_fb_helper_pan_display()
1315 		modeset->x = var->xoffset;  in drm_fb_helper_pan_display()
1316 		modeset->y = var->yoffset;  in drm_fb_helper_pan_display()
1321 				info->var.xoffset = var->xoffset;  in drm_fb_helper_pan_display()
1322 				info->var.yoffset = var->yoffset;  in drm_fb_helper_pan_display()
1460 	info->var.pixclock = 0;  in drm_fb_helper_single_fb_probe()
1527 	info->var.xres_virtual = fb->width;  in drm_fb_helper_fill_var()
1528 	info->var.yres_virtual = fb->height;  in drm_fb_helper_fill_var()
1529 	info->var.bits_per_pixel = fb->bits_per_pixel;  in drm_fb_helper_fill_var()
1530 	info->var.accel_flags = FB_ACCELF_TEXT;  in drm_fb_helper_fill_var()
1531 	info->var.xoffset = 0;  in drm_fb_helper_fill_var()
1532 	info->var.yoffset = 0;  in drm_fb_helper_fill_var()
1533 	info->var.activate = FB_ACTIVATE_NOW;  in drm_fb_helper_fill_var()
1534 	info->var.height = -1;  in drm_fb_helper_fill_var()
1535 	info->var.width = -1;  in drm_fb_helper_fill_var()
1539 		info->var.red.offset = 0;  in drm_fb_helper_fill_var()
1540 		info->var.green.offset = 0;  in drm_fb_helper_fill_var()
1541 		info->var.blue.offset = 0;  in drm_fb_helper_fill_var()
1542 		info->var.red.length = 8; /* 8bit DAC */  in drm_fb_helper_fill_var()
1543 		info->var.green.length = 8;  in drm_fb_helper_fill_var()
1544 		info->var.blue.length = 8;  in drm_fb_helper_fill_var()
1545 		info->var.transp.offset = 0;  in drm_fb_helper_fill_var()
1546 		info->var.transp.length = 0;  in drm_fb_helper_fill_var()
1549 		info->var.red.offset = 10;  in drm_fb_helper_fill_var()
1550 		info->var.green.offset = 5;  in drm_fb_helper_fill_var()
1551 		info->var.blue.offset = 0;  in drm_fb_helper_fill_var()
1552 		info->var.red.length = 5;  in drm_fb_helper_fill_var()
1553 		info->var.green.length = 5;  in drm_fb_helper_fill_var()
1554 		info->var.blue.length = 5;  in drm_fb_helper_fill_var()
1555 		info->var.transp.offset = 15;  in drm_fb_helper_fill_var()
1556 		info->var.transp.length = 1;  in drm_fb_helper_fill_var()
1559 		info->var.red.offset = 11;  in drm_fb_helper_fill_var()
1560 		info->var.green.offset = 5;  in drm_fb_helper_fill_var()
1561 		info->var.blue.offset = 0;  in drm_fb_helper_fill_var()
1562 		info->var.red.length = 5;  in drm_fb_helper_fill_var()
1563 		info->var.green.length = 6;  in drm_fb_helper_fill_var()
1564 		info->var.blue.length = 5;  in drm_fb_helper_fill_var()
1565 		info->var.transp.offset = 0;  in drm_fb_helper_fill_var()
1568 		info->var.red.offset = 16;  in drm_fb_helper_fill_var()
1569 		info->var.green.offset = 8;  in drm_fb_helper_fill_var()
1570 		info->var.blue.offset = 0;  in drm_fb_helper_fill_var()
1571 		info->var.red.length = 8;  in drm_fb_helper_fill_var()
1572 		info->var.green.length = 8;  in drm_fb_helper_fill_var()
1573 		info->var.blue.length = 8;  in drm_fb_helper_fill_var()
1574 		info->var.transp.offset = 0;  in drm_fb_helper_fill_var()
1575 		info->var.transp.length = 0;  in drm_fb_helper_fill_var()
1578 		info->var.red.offset = 16;  in drm_fb_helper_fill_var()
1579 		info->var.green.offset = 8;  in drm_fb_helper_fill_var()
1580 		info->var.blue.offset = 0;  in drm_fb_helper_fill_var()
1581 		info->var.red.length = 8;  in drm_fb_helper_fill_var()
1582 		info->var.green.length = 8;  in drm_fb_helper_fill_var()
1583 		info->var.blue.length = 8;  in drm_fb_helper_fill_var()
1584 		info->var.transp.offset = 24;  in drm_fb_helper_fill_var()
1585 		info->var.transp.length = 8;  in drm_fb_helper_fill_var()
1591 	info->var.xres = fb_width;  in drm_fb_helper_fill_var()
1592 	info->var.yres = fb_height;  in drm_fb_helper_fill_var()