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