13 	const struct displayid_header *base;  in displayid_get_header()  local
15 	if (sizeof(*base) > length - index)  in displayid_get_header()
18 	base = (const struct displayid_header *)&displayid[index];  in displayid_get_header()
20 	return base;  in displayid_get_header()
28 	const struct displayid_header *base;  in validate_displayid()  local
30 	base = displayid_get_header(displayid, length, idx);  in validate_displayid()
31 	if (IS_ERR(base))  in validate_displayid()
32 		return base;  in validate_displayid()
34 	DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",  in validate_displayid()
35 		      base->rev, base->bytes, base->prod_id, base->ext_count);  in validate_displayid()
38 	dispid_length = sizeof(*base) + base->bytes + 1;  in validate_displayid()
49 	return base;  in validate_displayid()
57 	const struct displayid_header *base;  in drm_find_displayid_extension()  local
66 	base = validate_displayid(displayid, *length, *idx);  in drm_find_displayid_extension()
67 	if (IS_ERR(base))  in drm_find_displayid_extension()
70 	*length = *idx + sizeof(*base) + base->bytes;  in drm_find_displayid_extension()
126 		/* The first section we encounter is the base section */  in __displayid_iter_next()
140 			const struct displayid_header *base;  in __displayid_iter_next()  local
142 			base = displayid_get_header(iter->section, iter->length,  in __displayid_iter_next()
144 			if (!IS_ERR(base)) {  in __displayid_iter_next()
145 				iter->version = base->rev;  in __displayid_iter_next()
146 				iter->primary_use = base->prod_id;  in __displayid_iter_next()
163 /* DisplayID Structure Version/Revision from the Base Section. */
171  * the Base Section.