[coreboot-gerrit] [XS] Change in coreboot[master]: soc/intel/meteorlake: Enable LZ4 compression for logo CBFS file

[Subrata Banik (Code Review)]

Attention is currently required from: Eran Mitrani, Jakub Czapiga, Kapil Porwal, Tarun Tuli.

Subrata Banik has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/76930?usp=email )

Change subject: soc/intel/meteorlake: Enable LZ4 compression for logo CBFS file
......................................................................

soc/intel/meteorlake: Enable LZ4 compression for logo CBFS file

This patch selects LZ4 decompression for logo CBFS file. Able to save
2ms of the boot time when HAVE_FSP_LOGO_SUPPORT config is enabled.

BUG=b:284799726
TEST=Able to see pre-boot splash screen while booting google/rex.

w/o this patch:
  15:starting LZMA decompress (ignore for x86)  849,090 (1,022)
  16:finished LZMA decompress (ignore for x86)  851,207 (2,116)

w/ this patch:
  17:starting LZ4 decompress (ignore for x86)   849,419 (1,279)
  18:finished LZ4 decompress (ignore for x86)   849,559 (140)

Change-Id: I856c39146a5ec0faf44c1cd37fa7c0d7296bf673
Signed-off-by: Subrata Banik 
---
M src/soc/intel/meteorlake/Kconfig
1 file changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/30/76930/1

diff --git a/src/soc/intel/meteorlake/Kconfig b/src/soc/intel/meteorlake/Kconfig
index 26dfd21..ee52467 100644
--- a/src/soc/intel/meteorlake/Kconfig
+++ b/src/soc/intel/meteorlake/Kconfig
@@ -427,4 +427,9 @@
    int
    default 6 if SOC_INTEL_METEORLAKE_U_H

+config BMP_LOGO_COMPRESS_LZMA
+	bool
+	depends on BMP_LOGO
+	default n
+
 endif