tree 39745f1012ba41a5a594d2995a6f826d77803882
parent 7c29c137f6a0193a7ccf5b76ae5d4380be72f264
author Bin Meng <bmeng.cn@gmail.com> 1627721125 +0800
committer Bin Meng <bmeng.cn@gmail.com> 1627888300 +0800

x86: mtrr: Skip MSRs that were already programmed in mtrr_commit()

At present mtrr_commit() programs the MTRR MSRs starting from
index 0, which may overwrite MSRs that were already programmed
by previous boot stage or FSP.

Switch to call mtrr_set_next_var() instead.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested on chromebook_coral, chromebook_samus, chromebook_link, minnowmax
Tested-by: Simon Glass <sjg@chromium.org>