commit cdd9f5cb72a7b119a384d0a1455c34e94efa89d2
author Kevin Chiu <Kevin.Chiu@quantatw.com> Fri Sep 18 17:30:30 2020 +0800
committer Furquan Shaikh <furquan@google.com> Sun Sep 20 17:24:40 2020 +0000
tree dba61903e4e0673955980122211fc53feb51b76d
parent e0d749c23b604dd6dfb94d95a59e5db30900d0e7

soc/amd/picasso: Add THERMCTL_LIMIT DPTC parameter support

Add THERMCTL_LIMIT (die temperature limit) DPTC parameter
for clamshell/tablet mode.

BUG=b:157943445
BRANCH=zork
TEST=build

Change-Id: Id193a74210c92d1e45ed4824ee9c0fc9ceaa5e3a
Signed-off-by: Kevin Chiu <kevin.chiu@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45519
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/soc/amd/picasso/root_complex.c

diff --git a/src/soc/amd/picasso/root_complex.c b/src/soc/amd/picasso/root_complex.c
index 6c721e1..174cddc 100644
--- a/src/soc/amd/picasso/root_complex.c
+++ b/src/soc/amd/picasso/root_complex.c
@@ -17,10 +17,11 @@
 
 enum {
 	ALIB_DPTCI_FUNCTION_ID = 0xc,
+	THERMAL_CONTROL_LIMIT_ID = 0x3,
 	SUSTAINED_POWER_LIMIT_PARAM_ID = 0x5,
 	FAST_PPT_LIMIT_PARAM_ID = 0x6,
 	SLOW_PPT_LIMIT_PARAM_ID = 0x7,
-	DPTC_TOTAL_UPDATE_PARAMS = 3,
+	DPTC_TOTAL_UPDATE_PARAMS = 4,
 };
 
 struct dptc_param {
@@ -33,11 +34,15 @@
 	struct dptc_param params[DPTC_TOTAL_UPDATE_PARAMS];
 } __packed;
 
-#define DPTC_INPUTS(_sustained, _fast, _slow)					\
+#define DPTC_INPUTS(_thermctllmit, _sustained, _fast, _slow)			\
 		{								\
 			.size = sizeof(struct dptc_input),			\
 			.params = {						\
 				{						\
+					.id = THERMAL_CONTROL_LIMIT_ID,		\
+					.value = _thermctllmit,			\
+				},						\
+				{						\
 					.id = SUSTAINED_POWER_LIMIT_PARAM_ID,	\
 					.value = _sustained,			\
 				},						\
@@ -195,10 +200,12 @@
 	if (!config->dptc_enable)
 		return;
 
-	struct dptc_input default_input = DPTC_INPUTS(config->sustained_power_limit,
+	struct dptc_input default_input = DPTC_INPUTS(config->thermctl_limit,
+							config->sustained_power_limit,
 							config->fast_ppt_limit,
 							config->slow_ppt_limit);
 	struct dptc_input tablet_mode_input = DPTC_INPUTS(
+					config->thermctl_limit_tablet_mode,
 					config->sustained_power_limit_tablet_mode,
 					config->fast_ppt_limit_tablet_mode,
 					config->slow_ppt_limit_tablet_mode);