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authorSubrata Banik <subratabanik@google.com>2023-08-04 23:43:53 +0530
committerSubrata Banik <subratabanik@google.com>2023-08-17 10:31:12 +0000
commit36d612c0aae8d20f826be1f809b48b8d28e4e565 (patch)
treee89953f5602030a5704c14e89a4b03c9fdaa351e /toolchain.inc
parent7a6f888e8c4d8069e32fded8397edca2768b38fb (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>
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