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[Bug 377929] Re: Unable to set rotation on AMD Geode LX800

To: registry@xxxxxxxxxxxxxxxxxxx
From: Hunk Cui <Hunk.Cui@xxxxxxx>
Date: Thu, 01 Jul 2010 02:22:43 -0000
Reply-to: Bug 377929 <377929@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

1. Redistribute the Graphic memory (include in MemorySize).
2. Prepare allocate the shadow buffer, normally do Rotate operation.
3. Classic exa is made on the assumption that all memory usable for gpu acceleration is a linear range between memoryBase and memorySize.
4. Before modify, the Rotate_mem after memorySize could belong to another device. This is the error key point.
5. Rotateeddata has to be allocated between memoryBase and memorySize.
6. Recommand normally working: Setup Graphic memory in BIOS >=14MB

** Patch added: "Modify Ctrc rotate operation & Graphic memory allocate"
   http://launchpadlibrarian.net/51215092/0002-Modify-Ctrc-rotate-operation-and-Graphic-memory-allo.patch

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Unable to set rotation on AMD Geode LX800
https://bugs.launchpad.net/bugs/377929
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