[coreboot-gerrit] Change in coreboot[master]: cpu/x86: Add function to set `put_back_original_solution` variable

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/63485 )

Change subject: cpu/x86: Add function to set `put_back_original_solution` variable
......................................................................

cpu/x86: Add function to set `put_back_original_solution` variable

`put_back_original_solution` variable in mtrr.c is static, but there is
a need to set put_back_original_solution outside of mtrr.c in order to
let `remove_temp_solution` to drop any temporary MTRRs being set
outside `mtrr_use_temp_range()`, for example: `set_var_mtrr()` function
is used to set MTRRs for the ROM caching.

BUG=b:225766934
TEST=Able to build and boot google/redrix.

Change-Id: Ic6b5683b2aa7398a5e141f710394ab772e9775e7
Signed-off-by: Kane Chen 
Signed-off-by: Subrata Banik 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63485
Tested-by: build bot (Jenkins) 
Reviewed-by: Werner Zeh 
---
M src/cpu/x86/mtrr/mtrr.c
M src/include/cpu/x86/mtrr.h
2 files changed, 6 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Werner Zeh: Looks good to me, approved

diff --git a/src/cpu/x86/mtrr/mtrr.c b/src/cpu/x86/mtrr/mtrr.c
index 89cac7f..e1bdf45 100644
--- a/src/cpu/x86/mtrr/mtrr.c
+++ b/src/cpu/x86/mtrr/mtrr.c
@@ -860,6 +860,11 @@

static bool put_back_original_solution;

+void need_restore_mtrr(void)
+{
+	put_back_original_solution = true;
+}
+
 void mtrr_use_temp_range(uintptr_t begin, size_t size, int type)
 {
    const struct range_entry *r;
diff --git a/src/include/cpu/x86/mtrr.h b/src/include/cpu/x86/mtrr.h
index b8d1517..5a23784 100644
--- a/src/include/cpu/x86/mtrr.h
+++ b/src/include/cpu/x86/mtrr.h
@@ -96,6 +96,7 @@
 /* Set up fixed MTRRs but do not enable them. */
 void x86_setup_fixed_mtrrs_no_enable(void);
 void x86_mtrr_check(void);
+void need_restore_mtrr(void);

/* Insert a temporary MTRR range for the duration of coreboot's runtime.
  * This function needs to be called after the first MTRR solution is derived. */

2 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.