[Intel-gfx] [RFC] resize & rotate support for KMS

[Jesse Barnes]

On Friday, January 30, 2009 3:58 pm Keith Packard wrote:
> On Fri, 2009-01-30 at 14:22 -0800, Jesse Barnes wrote:
> > Ok, need some review on this now.  Resize works but rotate turns off the
> > display, so I'm clearly doing something wrong, but I can't see what...
>
> I haven't looked at the code, but realize that Rotate allocates a new
> scanout buffer and then uses Render operations to copy from the original
> frame buffer to the new scanout buffer.

Yeah, I'm allocating the shadow buffer and using that for scanout, which I 
think matches what the non-KMS code does...  But it looks like the mode set 
for the shadow buffer ends up disabling the output.

-- 
Jesse Barnes, Intel Open Source Technology Center