[PATCH xserver 1/2] xfree86/modes: Fix HW cursor clipping for crtc->driverIsPerformingTransform

Keith Packard keithp at keithp.com
Fri Dec 25 11:08:04 PST 2015


Michel Dänzer <michel at daenzer.net> writes:

> From: Michel Dänzer <michel.daenzer at amd.com>
>
> Even if the driver is handling the transform, we still need to transform
> the cursor position for clipping, otherwise we may hide the HW cursor
> when the cursor is actually inside the area covered by the CRTC.

I would expect that driverIsPerformingTransform would apply only to the
output path, and not to the cursor. In the only example of this that I
can find (in xf86-video-omap), the driver just has to call
xf86CrtcTransformCursorPos itself.

-- 
-keith
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