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Disable GPU power if GC6 is not enterred

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This commit is contained in:
Jeremy Soller
2020-06-16 09:21:47 -06:00
parent c9ec63b78b
commit b0a89bfc26
1 changed files with 33 additions and 10 deletions
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43
src/mainboard/system76/oryp6/acpi/dgpu.asl
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@ -24,6 +24,7 @@
#define DGPU_RST_N GPP_F22
#define DGPU_PWR_EN GPP_F23
#define DGPU_GC6 GPP_K21
Device (\_SB.PCI0.PEGP.DEV0)
{
@ -90,6 +91,15 @@ Device (\_SB.PCI0.PEGP.DEV0)
Debug = "PEGP.DEV0._ON"
If (_STA != 0xF) {
Debug = " If DGPU_PWR_EN low"
If (! GTXS (DGPU_PWR_EN)) {
Debug = " DGPU_PWR_EN high"
STXS (DGPU_PWR_EN)
Debug = " Sleep 16"
Sleep (16)
}
Debug = " DGPU_RST_N high"
STXS(DGPU_RST_N)
@ -104,10 +114,9 @@ Device (\_SB.PCI0.PEGP.DEV0)
Debug = " While Q0L0"
Local0 = 0
While (Q0L0)
{
If ((Local0 > 4))
{
While (Q0L0) {
If ((Local0 > 4)) {
Debug = " While Q0L0 timeout"
Break
}
@ -121,7 +130,7 @@ Device (\_SB.PCI0.PEGP.DEV0)
Debug = " P0AP = 0"
P0AP = 0
Debug = " LREN = LTRE"
Debug = Concatenate(" LREN = ", ToHexString(LTRE))
LREN = LTRE
Debug = " CEDR = 1"
@ -142,7 +151,7 @@ Device (\_SB.PCI0.PEGP.DEV0)
Debug = "PEGP.DEV0._OFF"
If (_STA != 0x5) {
Debug = " LTRE = LREN"
Debug = Concatenate(" LTRE = ", ToHexString(LREN))
LTRE = LREN
Debug = " Q0L2 = 1"
@ -153,10 +162,9 @@ Device (\_SB.PCI0.PEGP.DEV0)
Debug = " While Q0L2"
Local0 = Zero
While (Q0L2)
{
If ((Local0 > 4))
{
While (Q0L2) {
If ((Local0 > 4)) {
Debug = " While Q0L2 timeout"
Break
}
@ -176,6 +184,21 @@ Device (\_SB.PCI0.PEGP.DEV0)
Debug = " DGPU_RST_N low"
CTXS(DGPU_RST_N)
Debug = " While DGPU_GC6 low"
Local0 = Zero
While (! GRXS(DGPU_GC6)) {
If ((Local0 > 4)) {
Debug = " While DGPU_GC6 low timeout"
Debug = " DGPU_PWR_EN low"
CTXS (DGPU_PWR_EN)
Break
}
Sleep (16)
Local0++
}
Debug = " _STA = 0x5"
_STA = 0x5
}