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drm/edid: pass struct edid to connector_bad_edid()

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Avoid casting here and there, and make it const.

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/4f9fdc961dfd9b36f4649e8ba57d05e43375fc92.1649685475.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2022-04-11 17:00:28 +03:00
parent 9c7345de9b
commit 63cae08153
1 changed files with 6 additions and 9 deletions
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15
drivers/gpu/drm/drm_edid.c
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@ -1967,7 +1967,7 @@ drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
}
static void connector_bad_edid(struct drm_connector *connector,
u8 *edid, int num_blocks)
const struct edid *edid, int num_blocks)
{
int i;
u8 last_block;
@ -1978,22 +1978,19 @@ static void connector_bad_edid(struct drm_connector *connector,
* of 0x7e in the EDID of the _index_ of the last block in the
* combined chunk of memory.
*/
last_block = edid[0x7e];
last_block = edid->extensions;
/* Calculate real checksum for the last edid extension block data */
if (last_block < num_blocks)
connector->real_edid_checksum =
edid_block_compute_checksum(edid + last_block * EDID_LENGTH);
edid_block_compute_checksum(edid + last_block);
if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
return;
drm_dbg_kms(connector->dev, "%s: EDID is invalid:\n", connector->name);
for (i = 0; i < num_blocks; i++) {
u8 *block = edid + i * EDID_LENGTH;
edid_block_dump(KERN_DEBUG, block, i);
}
for (i = 0; i < num_blocks; i++)
edid_block_dump(KERN_DEBUG, edid + i, i);
}
/* Get override or firmware EDID */
@ -2139,7 +2136,7 @@ struct edid *drm_do_get_edid(struct drm_connector *connector,
}
if (invalid_blocks) {
connector_bad_edid(connector, (u8 *)edid, edid->extensions + 1);
connector_bad_edid(connector, edid, edid->extensions + 1);
edid = edid_filter_invalid_blocks(edid, invalid_blocks);
}