Commit graph

3 commits

Author SHA1 Message Date
Matt DeVillier
06a078a067 google/eve: tweak VBT settings
- Disable Windows driver DPST function
- Set POST resolution to 1800x1200
- Set POST brightness to 225 (0-255 scale)

Test: Boot Windows on EVE, verify display backlight control
functional and no lock ups from switching in/out of tablet mode.

Change-Id: Ida64a44df2449f1ff0dc5c8d0ec7b40a183566a7
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38396
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2020-01-18 11:20:35 +00:00
Matt DeVillier
0405109eed mb/google/eve: Update and fix VBT
Update Eve's VBT from v211 to v221, and change the backlight
control type from PWM to VESA eDP/AUX. This allows the OS to
select the proper backlight control type for the panel.

Test: Eve backlight control now functional under Windows 10
(Linux requires some pending patches to fix)

Change-Id: I8be2a719765891b3f2702c1869981009fa73ca05
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37880
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2019-12-26 10:46:42 +00:00
Matt DeVillier
c57a273d4c mb/google/*: Add a few VBT files
These files are directly extracted from the vendor firmware

Change-Id: I1f05c913872c5d2d8c8279d89eac52fd4bf4e35e
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/27222
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
2018-06-27 15:38:25 +00:00