Bug 52042 - [snb] ASUS X55A requires CADL
Summary: [snb] ASUS X55A requires CADL
Status: CLOSED DUPLICATE of bug 45452
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: x86 (IA32) Linux (All)
: medium blocker
Assignee: Daniel Vetter
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Reported: 2012-07-13 09:04 UTC by MuTian
Modified: 2017-07-24 23:00 UTC (History)
5 users (show)

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Description MuTian 2012-07-13 09:04:24 UTC 
The problem was caused by incorrect data reported by your Linux Gfx driver.
The data of CADL~CAL8 of the OpRegion Mailbox 1 is not updated to correct value.
Ubuntu kernel version: linux-image-3.2.0-26-generic ( https://launchpad.net/ubuntu/precise/amd64/linux-image/3.2.0.26.28);
IGD driver version: xserver-xorg-video-intel (2.17.0-1ubuntu4)  ( https://launchpad.net/ubuntu/+source/xserver-xorg-video-intel);
We also try the xserver-xorg-video-intel 2.19.0-1ubuntu2, the result is the same.
We can’t use the CADL-CAL8 of the OpRegion in the BIOS function Key ACPI Method. It’s return NULL.
Comment 1 Daniel Vetter 2012-08-22 10:34:31 UTC 
Missing CADL support is tracked in a separate bug.

*** This bug has been marked as a duplicate of bug 45452 ***

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