diff options
| author | Subrata Banik <subratabanik@google.com> | 2023-08-04 23:43:53 +0530 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2023-08-17 10:31:12 +0000 |
| commit | 36d612c0aae8d20f826be1f809b48b8d28e4e565 (patch) | |
| tree | e89953f5602030a5704c14e89a4b03c9fdaa351e /src | |
| parent | 7a6f888e8c4d8069e32fded8397edca2768b38fb (diff) | |
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.
However, the compressed BMP logo size is increased by ~2KB.
Raw BMP Image size is ~97KB.
BUG=b:284799726
TEST=Able to see pre-boot splash screen while booting google/rex
with 32MB (W25Q256JWEIM) SPI-Flash.
w/o this patch:
sudo cbfstool image-screebo4es.bin print -r FW_MAIN_A
FMAP REGION: FW_MAIN_A
Name Offset Type Size Comp
...
...
logo.bmp 0x167480 raw 6172 LZMA (97078 decompressed)
...
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:
sudo cbfstool image-screebo4es.bin print -r FW_MAIN_A
FMAP REGION: FW_MAIN_A
Name Offset Type Size Comp
...
...
logo.bmp 0x167480 raw 8568 LZ4 (97078 decompressed)
...
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 <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76930
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/meteorlake/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/soc/intel/meteorlake/Kconfig b/src/soc/intel/meteorlake/Kconfig index 6391ed8d8d..c4acba850d 100644 --- a/src/soc/intel/meteorlake/Kconfig +++ b/src/soc/intel/meteorlake/Kconfig @@ -426,4 +426,7 @@ config IOE_DIE_CLOCK_START int default 6 if SOC_INTEL_METEORLAKE_U_H +config HAVE_BMP_LOGO_COMPRESS_LZMA + default n + endif |