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soc/amd/mendocino: Add STT support for dptc tablet mode 

Add stt settings for dptc tablet mode.

BUG=b:257149501
BRANCH=None
TEST=Check if the STT value matches the clamshell/tablet mode.
Run the WebGL aquarium with 5000 fish and verify that there is
no power drop peak.

Change-Id: Ib4aad3af8761b20084717b15a462edf4704b83cc
Signed-off-by: Chris Wang <chris.wang@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73205
Reviewed-by: Tim Van Patten <timvp@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
This commit is contained in:
Chris Wang 2023-02-23 16:25:52 +08:00 committed by Felix Held
parent 50aa3d9921
commit 2809507ca7
2 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/soc/amd/mendocino/chip.h
View File

@ -73,6 +73,10 @@ struct soc_amd_mendocino_config {
uint32_t vrm_soc_current_limit_throttle_mA;
/* tablet mode.*/
uint16_t stt_m1_tablet;
uint16_t stt_m2_tablet;
uint16_t stt_c_apu_tablet;
uint16_t stt_alpha_apu_tablet;
/* Thermal profile B*/
uint32_t fast_ppt_limit_mW_B;

8
src/soc/amd/mendocino/root_complex.c
View File

@ -264,10 +264,10 @@ static void acipgen_dptci(void)
config->vrm_maximum_current_limit_mA,
config->vrm_soc_current_limit_mA,
config->stt_min_limit,
config->stt_m1,
config->stt_m2,
config->stt_c_apu,
config->stt_alpha_apu,
config->stt_m1_tablet,
config->stt_m2_tablet,
config->stt_c_apu_tablet,
config->stt_alpha_apu_tablet,
config->stt_skin_temp_apu);
acpigen_write_alib_dptc_tablet((uint8_t *)&tablet_input, sizeof(tablet_input));
#endif