[haiku-bugs] Re: [Haiku] #8329: Laptops using lvds can't set video modes due to lack of special lvds edid read function.
- From: "kallisti5" <trac@xxxxxxxxxxxx>
- Date: Fri, 17 Feb 2012 14:57:49 -0000
#8329: Laptops using lvds can't set video modes due to lack of special lvds edid
read function.
-------------------------------------+-------------------------------------
Reporter: kallisti5 | Owner: kallisti5
Type: bug | Status: new
Priority: high | Milestone: R1
Component: | Version: R1/Development
Drivers/Graphics/radeon_hd | Keywords: lvds
Resolution: | Blocking: 8059, 8154, 8289, 8310,
Blocked By: | 8331
Has a Patch: 0 | Platform: All
-------------------------------------+-------------------------------------
Description changed by kallisti5:
Old description:
> We need to generate fake edid information based on the output of a
> special LVDS information AtomBIOS call.
>
> The lack of this information prevents several LCD displays from
> modesetting properly.
>
> Code:
> http://cgit.haiku-os.org/haiku/tree/src/add-
> ons/accelerants/radeon_hd/connector.cpp#n127
>
> Incomplete function:
> http://cgit.haiku-os.org/haiku/tree/src/add-
> ons/accelerants/radeon_hd/connector.cpp#n156
New description:
We need to generate fake edid information based on the output of a special
LVDS information AtomBIOS call.
The lack of this information prevents several laptop LCD displays from
modesetting properly.
Code:
http://cgit.haiku-os.org/haiku/tree/src/add-
ons/accelerants/radeon_hd/connector.cpp#n127
Incomplete function:
http://cgit.haiku-os.org/haiku/tree/src/add-
ons/accelerants/radeon_hd/connector.cpp#n156
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Ticket URL: <http://dev.haiku-os.org/ticket/8329#comment:7>
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