fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record;
if (fake_edid_record->ucFakeEDIDLength) {
struct edid *edid;
- int edid_size =
- max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength);
- edid = kmalloc(edid_size, GFP_KERNEL);
+ int edid_size;
+
+ if (fake_edid_record->ucFakeEDIDLength == 128)
+ edid_size = fake_edid_record->ucFakeEDIDLength;
+ else
+ edid_size = fake_edid_record->ucFakeEDIDLength * 128;
+ edid = kmemdup(&fake_edid_record->ucFakeEDIDString[0],
+ edid_size, GFP_KERNEL);
if (edid) {
- memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0],
- fake_edid_record->ucFakeEDIDLength);
-
if (drm_edid_is_valid(edid)) {
rdev->mode_info.bios_hardcoded_edid = edid;
rdev->mode_info.bios_hardcoded_edid_size = edid_size;
- } else
+ } else {
kfree(edid);
+ }
}
+ record += struct_size(fake_edid_record,
+ ucFakeEDIDString,
+ edid_size);
+ } else {
+ /* empty fake edid record must be 3 bytes long */
+ record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1;
}
- record += fake_edid_record->ucFakeEDIDLength ?
- struct_size(fake_edid_record,
- ucFakeEDIDString,
- fake_edid_record->ucFakeEDIDLength) :
- /* empty fake edid record must be 3 bytes long */
- sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1;
break;
case LCD_PANEL_RESOLUTION_RECORD_TYPE:
panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record;