diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2022-05-03 12:24:00 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2022-05-05 20:28:31 +0300 |
| commit | 2af243444f9100639451b11d311982279e00cc16 (patch) | |
| tree | ddcf51d2a0b941d9d7d00428dead9009d17be354 /drivers/gpu/drm/drm_edid.c | |
| parent | 37852141965d467a4ae118139b6eee266e7d953c (diff) | |
| download | linux-2af243444f9100639451b11d311982279e00cc16.tar.bz2 | |
drm/edid: sunset the old unused cea data block iterators
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
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 77986895e501..208b1efb490d 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -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) { |