[Intel-gfx] support for waiting on vblank on rotated displays (patch)

[Barry Scott]

Łukasz Kuryło wrote:
> Fixed braces and indentation in patch.
> This patch deals with workaround from commit
> eb09014ce10428bbcab04e155186382975545f0a 
> <http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=eb09014ce10428bbcab04e155186382975545f0a> 
>
>
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This looks like the same class of problem as I just patched for XV.
I think you can use the same method to fix, transform the coordinates
from screen to crtc. Then you can avoid the case.

Barry