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drm/edid: shorten log output in case of all zeroes edid block 

There is no need to dump the whole EDID block in case it contains no
information. Just print a single line stating the block is empty instead
of 8 lines containing only zeroes.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
hifive-unleashed-5.1
Stefan Brüns 2014-11-30 19:57:42 +01:00 committed by Daniel Vetter
parent d6885d6590
commit da4c07b727
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/drm_edid.c
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@ -1088,9 +1088,13 @@ bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid)
bad:
if (print_bad_edid) {
printk(KERN_ERR "Raw EDID:\n");
print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1,
if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
printk(KERN_ERR "EDID block is all zeroes\n");
} else {
printk(KERN_ERR "Raw EDID:\n");
print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1,
raw_edid, EDID_LENGTH, false);
}
}
return false;
}