Subrata Banik has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/86388?usp=email )
Change subject: mb/google/fatcat: Increase PL4 power limits for PTL-H variants ......................................................................
mb/google/fatcat: Increase PL4 power limits for PTL-H variants
Increase PL4 power limit values for all Intel PTL-H variants on Fatcat from 50000 to 64000 to ensure successful boot and adequate performance with 45W and 65W USB-C adapters. This prevents system bottlenecks when using lower-wattage power supplies.
BUG=b:395130929 TEST=Verified successful boot with 45W and 65W USB-C travel adapters, as well as 96W/106W USB-C adapters.
Change-Id: I6073e748e9f8c7317f0ad9a1193699e34703bdba Signed-off-by: Subrata Banik subratabanik@google.com --- M src/mainboard/google/fatcat/variants/baseboard/fatcat/ramstage.c 1 file changed, 4 insertions(+), 4 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/88/86388/1
diff --git a/src/mainboard/google/fatcat/variants/baseboard/fatcat/ramstage.c b/src/mainboard/google/fatcat/variants/baseboard/fatcat/ramstage.c index a808c90..3837679 100644 --- a/src/mainboard/google/fatcat/variants/baseboard/fatcat/ramstage.c +++ b/src/mainboard/google/fatcat/variants/baseboard/fatcat/ramstage.c @@ -16,7 +16,7 @@ .pl1_max_power = 25000, .pl2_min_power = 50000, .pl2_max_power = 50000, - .pl4_power = 50000 /* TODO: needs fine tuning */ + .pl4_power = 64000 }, { .mch_id = PCI_DID_INTEL_PTL_H_ID_2, @@ -26,7 +26,7 @@ .pl1_max_power = 25000, .pl2_min_power = 50000, .pl2_max_power = 50000, - .pl4_power = 50000 /* TODO: needs fine tuning */ + .pl4_power = 64000 }, { .mch_id = PCI_DID_INTEL_PTL_H_ID_3, @@ -36,7 +36,7 @@ .pl1_max_power = 25000, .pl2_min_power = 50000, .pl2_max_power = 50000, - .pl4_power = 50000 /* TODO: needs fine tuning */ + .pl4_power = 64000 }, { .mch_id = PCI_DID_INTEL_PTL_H_ID_4, @@ -46,7 +46,7 @@ .pl1_max_power = 25000, .pl2_min_power = 50000, .pl2_max_power = 50000, - .pl4_power = 50000 /* TODO: needs fine tuning */ + .pl4_power = 64000 }, };