Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/86103?usp=email )
Change subject: mb/google/nissa/var/telith: Configure Acoustic noise mitigation ......................................................................
mb/google/nissa/var/telith: Configure Acoustic noise mitigation
- Set slow slew rate VCCIA and VCCGT to SLEW_FAST_4
BUG=b:387056119 BRANCH=none TEST=built firmware and verified by power team, and noise pass.
Change-Id: I57055cdfc9377ba141c620dd4e9301f6e7601629 Signed-off-by: Kun Liu liukun11@huaqin.corp-partner.google.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/86103 Reviewed-by: Dengwu Yu yudengwu@huaqin.corp-partner.google.com Reviewed-by: Subrata Banik subratabanik@google.com Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Eric Lai ericllai@google.com --- M src/mainboard/google/brya/variants/telith/overridetree.cb 1 file changed, 2 insertions(+), 2 deletions(-)
Approvals: Subrata Banik: Looks good to me, approved Eric Lai: Looks good to me, approved build bot (Jenkins): Verified Dengwu Yu: Looks good to me, but someone else must approve
diff --git a/src/mainboard/google/brya/variants/telith/overridetree.cb b/src/mainboard/google/brya/variants/telith/overridetree.cb index 231d83e..202b0ed 100644 --- a/src/mainboard/google/brya/variants/telith/overridetree.cb +++ b/src/mainboard/google/brya/variants/telith/overridetree.cb @@ -22,8 +22,8 @@
# Acoustic settings register "acoustic_noise_mitigation" = "true" - register "slow_slew_rate[VR_DOMAIN_IA]" = "SLEW_FAST_8" - register "slow_slew_rate[VR_DOMAIN_GT]" = "SLEW_FAST_8" + register "slow_slew_rate[VR_DOMAIN_IA]" = "SLEW_FAST_4" + register "slow_slew_rate[VR_DOMAIN_GT]" = "SLEW_FAST_4" register "fast_pkg_c_ramp_disable[VR_DOMAIN_IA]" = "1" register "fast_pkg_c_ramp_disable[VR_DOMAIN_GT]" = "1"