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DisplayPort supports EDID up to 256 bytes (blocks 0 and 1). Update the block check to allow these two blocks. For any block beyond that (i.e. the monitor's EDID is larger than the 256 bytes ASPEED DP can hold), report it as an all-zero block instead of a read failure. Also remove the manual checksum/extension-count patch of block 0's last four bytes. That code was already dead, so the condition can never be true. Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patch.msgid.link/20260819-upstream_ast_dp_edid-v3-1-15d36c28afe2@aspeedtech.com |
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