CR90
unsigned char CR90, CR91, CRB0;
reg->CR90 = 0x80 | (width >> 8);
vga_out8(0x3d5, reg->CR90, par);
reg->CR90 = vga_in8(0x3d5, par);
vga_out8(0x3d5, reg->CR90, par);
{VIACR, CR90, 0xFF, 0x10}, /* LCD Power Sequence Control 5 */
{VIACR, CR90, 0xFF, 0x01}, /* LCD Power Sequence Control 5 */
{VIACR, CR90, 0xFF, 0x30}, /* LCD Power Sequence Control 5 */
{VIACR, CR90, 0xFF, 0x01}, /* LCD Power Sequence Control 5 */