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mb/google/rex: Set frequency and gears for SaGv points

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Update SaGv gears and frequency values as per recommendation
from power and performance team. This change doesn't cause
negative impact on firmware boot time performance.

BUG=b:274137879
TEST=Verified the settings on google/rex using debug FSP logs.

Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Change-Id: Ie8a81c05f25b1cdab1008d09c606d1debea6e6e4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78268
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
This commit is contained in:
Bora Guvendik
2023-10-06 11:10:09 -07:00
committed by Matt DeVillier
parent 204a4e6d9f
commit cfec7a26c6
1 changed files with 5 additions and 5 deletions
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10
src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
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@@ -50,17 +50,17 @@ chip soc/intel/meteorlake
register "sagv" = "SAGV_ENABLED"
register "sagv_freq_mhz[0]" = "3200"
register "sagv_freq_mhz[0]" = "2133"
register "sagv_gear[0]" = "4"
register "sagv_freq_mhz[1]" = "6000"
register "sagv_freq_mhz[1]" = "4267"
register "sagv_gear[1]" = "4"
register "sagv_freq_mhz[2]" = "6400"
register "sagv_freq_mhz[2]" = "6000"
register "sagv_gear[2]" = "4"
register "sagv_freq_mhz[3]" = "5600"
register "sagv_gear[3]" = "2"
register "sagv_freq_mhz[3]" = "6400"
register "sagv_gear[3]" = "4"
# Set on-board graphics as primary display
register "skip_ext_gfx_scan" = "1"