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drm/radeon: fix LCD record parsing

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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;