[coreboot-gerrit] Change in coreboot[master]: mb/google/drallion: Turn off HDMI power when enter s0ix

[EricR Lai (Code Review)]

EricR Lai has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/36224 )

Change subject: mb/google/drallion: Turn off HDMI power when enter s0ix
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mb/google/drallion: Turn off HDMI power when enter s0ix

Turn off HDMI power when enter s0ix.

BUG=b:143057255
BRANCH=N/A
TEST=Measure the power on GPP_E16 under s0ix

Signed-off-by: Eric Lai 
Change-Id: I580e6094d48663d5c208fd82c7744485d899bcc1
---
M src/mainboard/google/drallion/variants/drallion/include/variant/acpi/mainboard.asl
1 file changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/24/36224/1

diff --git a/src/mainboard/google/drallion/variants/drallion/include/variant/acpi/mainboard.asl b/src/mainboard/google/drallion/variants/drallion/include/variant/acpi/mainboard.asl
index 41121d2..544aaa0 100644
--- a/src/mainboard/google/drallion/variants/drallion/include/variant/acpi/mainboard.asl
+++ b/src/mainboard/google/drallion/variants/drallion/include/variant/acpi/mainboard.asl
@@ -15,6 +15,7 @@

#define CAM_EN GPP_B11 /* Active low */
 #define TS_PD GPP_E7
+#define HDMI_PD GPP_E16

/* Method called from LPIT prior to enter s0ix state */
 Method (MS0X, 1)
@@ -22,9 +23,13 @@
    If (Arg0) {
    	/* Turn off camera power */
    	_SB.PCI0.STXS (CAM_EN)
+		/* Turn off HDMI power */
+		_SB.PCI0.CTXS (HDMI_PD)
    } Else {
    	/* Turn on camera power */
    	_SB.PCI0.CTXS (CAM_EN)
+		/* Turn on HDMI power */
+		_SB.PCI0.STXS (HDMI_PD)
    }
 }