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drm/edid: sunset the old unused cea data block iterators

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All CTA data block iteration has now been converted to the new cea db
iterators.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/a5b35ed0e711bd874f76ae87ee0b70150d0a77c4.1651569697.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2022-05-03 12:24:00 +03:00
parent 3785214196
commit 2af243444f
1 changed files with 0 additions and 45 deletions
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45
drivers/gpu/drm/drm_edid.c
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@ -4349,48 +4349,6 @@ cea_revision(const u8 *cea)
return cea[1];
}
static int
cea_db_offsets(const u8 *cea, int *start, int *end)
{
/* DisplayID CTA extension blocks and top-level CEA EDID
* block header definitions differ in the following bytes:
* 1) Byte 2 of the header specifies length differently,
* 2) Byte 3 is only present in the CEA top level block.
*
* The different definitions for byte 2 follow.
*
* DisplayID CTA extension block defines byte 2 as:
* Number of payload bytes
*
* CEA EDID block defines byte 2 as:
* Byte number (decimal) within this block where the 18-byte
* DTDs begin. If no non-DTD data is present in this extension
* block, the value should be set to 04h (the byte after next).
* If set to 00h, there are no DTDs present in this block and
* no non-DTD data.
*/
if (cea[0] == DATA_BLOCK_CTA) {
/*
* for_each_displayid_db() has already verified
* that these stay within expected bounds.
*/
*start = 3;
*end = *start + cea[2];
} else if (cea[0] == CEA_EXT) {
/* Data block offset in CEA extension block */
*start = 4;
*end = cea[2];
if (*end == 0)
*end = 127;
if (*end < 4 || *end > 127)
return -ERANGE;
} else {
return -EOPNOTSUPP;
}
return 0;
}
/*
* CTA Data Block iterator.
*
@ -4643,9 +4601,6 @@ static bool cea_db_is_hdmi_hdr_metadata_block(const void *db)
cea_db_payload_len(db) >= 3;
}
#define for_each_cea_db(cea, i, start, end) \
for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
const u8 *db)
{