new radeon tiling patch

[Roland Scheidegger]

Michel Dänzer wrote:
> On Tue, 2005-01-18 at 16:31 +0100, Roland Scheidegger wrote:
> 
>>Alex Deucher wrote:
>>
>>>Actually DRIAdjustframe() and friends in dri.c may still be the
>>>problem.  it does some wrapping of the adjustframe() functions and
>>>calls them, perhaps incorrectly for mergedfb.  I could be wrong though
>>>I haven't really traced all that is going on there.  Something is
>>>causing the frames to both end up at 0 when pageflipping.
>>
>>Wouldn't you get errors with non-pageflip if the wrapping is wrong for 
>>mergedfb?
> 
> 
> What kind of errors are you thinking of? The DRM doesn't touch the
> CRTC_OFFSET registers when page flipping is disabled.
Yes, that's what I meant. If the wrapping would be wrong you would get 
the same errors with pageflip and without, since it does not change (and 
the wrong calculation would always already be in the ddx).

Roland