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drm/radeon: fix LCD record parsing 

If the LCD table contains an EDID record, properly account
for the edid size when walking through the records.

This should fix error messages about unknown LCD records.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2013-08-20 14:59:01 -04:00
parent 9cb84ab0ab
commit 95663948ba
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/radeon/radeon_atombios.c
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@ -1681,7 +1681,9 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
kfree(edid);
}
}
record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD);
record += fake_edid_record->ucFakeEDIDLength ?
fake_edid_record->ucFakeEDIDLength + 2 :
sizeof(ATOM_FAKE_EDID_PATCH_RECORD);
break;
case LCD_PANEL_RESOLUTION_RECORD_TYPE:
panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record;