Martin Roth has submitted this change. ( https://review.coreboot.org/c/coreboot/+/35042 )
Change subject: mb/google/kahlee/treeya: Update STAPM parameters for Treeya ......................................................................
mb/google/kahlee/treeya: Update STAPM parameters for Treeya
Tune stapm percentage from 80 to 68 and time from 250 second to 90 second make them meet Lenovo temperature spec.
BUG=b:143859022 TEST=build firmware and install it to DUT and run fishbowl 1000, check temperature whether meets spec.
Signed-off-by: Peichao Wang peichao.wang@bitland.corp-partner.google.com Change-Id: I254140c9d242ed918b3b689d4fb4a1d0e871cd55 Reviewed-on: https://review.coreboot.org/c/coreboot/+/35042 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Marshall Dawson marshalldawson3rd@gmail.com Reviewed-by: Martin Roth martinroth@google.com --- M src/mainboard/google/kahlee/variants/treeya/devicetree.cb 1 file changed, 2 insertions(+), 2 deletions(-)
Approvals: build bot (Jenkins): Verified Martin Roth: Looks good to me, approved Marshall Dawson: Looks good to me, approved
diff --git a/src/mainboard/google/kahlee/variants/treeya/devicetree.cb b/src/mainboard/google/kahlee/variants/treeya/devicetree.cb index 2e25340..e8477ee 100644 --- a/src/mainboard/google/kahlee/variants/treeya/devicetree.cb +++ b/src/mainboard/google/kahlee/variants/treeya/devicetree.cb @@ -20,8 +20,8 @@ register "dram_clear_on_reset" = "DRAM_CONTENTS_KEEP" register "uma_mode" = "UMAMODE_SPECIFIED_SIZE" register "uma_size" = "16 * MiB" - register "stapm_percent" = "80" - register "stapm_time_ms" = "2500000" + register "stapm_percent" = "68" + register "stapm_time_ms" = "900000" register "stapm_power_mw" = "7800"
# Enable I2C0 for audio, USB3 hub at 400kHz