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drm/radeon: fix regression on atom cards with hardcoded EDID record.

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Since fafcf94e2b introduced an edid size, it seems to have broken this path.

This manifest as oops on T500 Lenovo laptops with dual graphics primarily.

Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=33812

cc: stable@kernel.org
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2011-05-01 20:16:30 +10:00
parent e2c85d8e39
commit eaa4f5e1d0
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/radeon/radeon_atombios.c
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@ -1599,9 +1599,10 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0],
fake_edid_record->ucFakeEDIDLength);
if (drm_edid_is_valid(edid))
if (drm_edid_is_valid(edid)) {
rdev->mode_info.bios_hardcoded_edid = edid;
else
rdev->mode_info.bios_hardcoded_edid_size = edid_size;
} else
kfree(edid);
}
}