[coreboot] Graphics Mode

[galla rao]

Video Mode in Coreboot

*CorebootLog*
coreboot video frame buffer information
physical_address: 0xC0000000
*x_resolution: 0x400*
*y_resolution: 0x300*
bits_per_pixel: 0x20
bytes_per_line: 0x1000
red_mask_size: 0x8
red_mask_pos: 0x10

GOP UEFI driver (Tiano payload) is expected to report 4 modes
GOP should report MaxMode 4 *0:
1600x900 BGRReserved Pixels 1600 1:
640x480 BGRReserved Pixels 640 2:
800x600 BGRReserved Pixels 800 3:
1024x768 BGRReserved Pixels 1024

In BayTrail Platform i only see 1 single mode which is 400 * 300

what changes are expected from GOP/VBIOS  to set one of the 4 graphics mode
Please advise!

Best Regards
Ranga