[coreboot-gerrit] Change in coreboot[master]: cpu/intel/haswell: Raise PSI1 threshold to 20A

[Nico Huber (Code Review)]

Nico Huber has submitted this change. ( https://review.coreboot.org/c/coreboot/+/46919 )

Change subject: cpu/intel/haswell: Raise PSI1 threshold to 20A
......................................................................

cpu/intel/haswell: Raise PSI1 threshold to 20A

Haswell reference code version 1.9.0 uses the same value as Broadwell.

Change-Id: I979ea1b4ba2962bd0c55cfb9d0c291f32cf5fcad
Signed-off-by: Angel Pons 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46919
Reviewed-by: Nico Huber 
Tested-by: build bot (Jenkins) 
---
M src/cpu/intel/haswell/haswell_init.c
1 file changed, 1 insertion(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Nico Huber: Looks good to me, approved

diff --git a/src/cpu/intel/haswell/haswell_init.c b/src/cpu/intel/haswell/haswell_init.c
index 920a7e7..369ace9 100644
--- a/src/cpu/intel/haswell/haswell_init.c
+++ b/src/cpu/intel/haswell/haswell_init.c
@@ -260,7 +260,7 @@
    msr.hi &= 0xc0000000;
    msr.hi |= (0x01 << (52 - 32)); /* PSI3 threshold -  1A. */
    msr.hi |= (0x05 << (42 - 32)); /* PSI2 threshold -  5A. */
-	msr.hi |= (0x0f << (32 - 32)); /* PSI1 threshold - 15A. */
+	msr.hi |= (0x14 << (32 - 32)); /* PSI1 threshold - 20A. */

if (haswell_is_ult())
    	msr.hi |= (1 <<  (62 - 32)); /* Enable PSI4 */